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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_d_b_m_s_engine_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/ForumNokia/DBMS/src/DBMSEngine.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/ForumNokia/DBMS/src/DBMSEngine.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
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<a name="l00003"></a>00003 <span class="comment"> */</span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005 <span class="preprocessor">#include &lt;badesca.h&gt;</span>    <span class="comment">// CDesCArrayFlat</span>
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<a name="l00006"></a>00006 <span class="preprocessor">#include &lt;s32file.h&gt;</span>    <span class="comment">// CFileStore &amp; CPermanentFileStore</span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;bautils.h&gt;</span>    <span class="comment">// file helpers</span>
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<a name="l00008"></a>00008 <span class="preprocessor">#include &lt;eikenv.h&gt;</span>
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<a name="l00009"></a>00009 <span class="preprocessor">#include &quot;DBMSEngine.h&quot;</span>
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<a name="l00010"></a>00010
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<a name="l00011"></a>00011 <span class="comment">// Implementation specific constants</span>
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<a name="l00012"></a>00012 <span class="keyword">const</span> <span class="keywordtype">int</span> KCustomSqlMaxLength = 256;
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<a name="l00013"></a>00013 <span class="keyword">const</span> <span class="keywordtype">int</span> KArrayGranularity = 5;     <span class="comment">// for CDesCArrayFlat</span>
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<a name="l00014"></a>00014
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<a name="l00015"></a>00015 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00016"></a>00016 <span class="comment">// CBookDb::NewL()</span>
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<a name="l00017"></a>00017 <span class="comment">//</span>
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<a name="l00018"></a>00018 <span class="comment">// Create instance of the Book database engine.</span>
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<a name="l00019"></a>00019 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00020"></a><a class="code" href="class_c_book_db.html#a87b80f9d2487d6ad27c109293c7d6bdd">00020</a> <a class="code" href="class_c_book_db.html">CBookDb</a>* <a class="code" href="class_c_book_db.html#a87b80f9d2487d6ad27c109293c7d6bdd">CBookDb::NewL</a>()
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<a name="l00021"></a>00021     {
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<a name="l00022"></a>00022     <a class="code" href="class_c_book_db.html">CBookDb</a>* tmp = <span class="keyword">new</span> (ELeave)<a class="code" href="class_c_book_db.html">CBookDb</a>();
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<a name="l00023"></a>00023     CleanupStack::PushL(tmp);
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<a name="l00024"></a>00024     tmp-&gt;ConstructL();
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<a name="l00025"></a>00025     CleanupStack::Pop();
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<a name="l00026"></a>00026     <span class="keywordflow">return</span> tmp;
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<a name="l00027"></a>00027     }
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00030"></a>00030 <span class="comment">// CBookDb::~CBookDb()</span>
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<a name="l00031"></a>00031 <span class="comment">//</span>
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<a name="l00032"></a>00032 <span class="comment">// Destructor of the Book database engine. Release resources.</span>
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<a name="l00033"></a>00033 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00034"></a><a class="code" href="class_c_book_db.html#a1cff43523b8c167b07ab7cd530f06cf2">00034</a> <a class="code" href="class_c_book_db.html#a1cff43523b8c167b07ab7cd530f06cf2">CBookDb::~CBookDb</a>()
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<a name="l00035"></a>00035     {
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<a name="l00036"></a>00036     <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">Close</a>();  <span class="comment">// Just in case, if the user does not close this explicitely</span>
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<a name="l00037"></a>00037     iFsSession.Close();
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<a name="l00038"></a>00038     }
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00041"></a>00041 <span class="comment">// CBookDb::ConstructL()</span>
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<a name="l00042"></a>00042 <span class="comment">//</span>
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<a name="l00043"></a>00043 <span class="comment">// Second phase construction. Leaves, if RFs session cannot be created.</span>
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<a name="l00044"></a>00044 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00045"></a>00045 <span class="keywordtype">void</span> CBookDb::ConstructL()
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<a name="l00046"></a>00046     {
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<a name="l00047"></a>00047     TInt err = iFsSession.Connect();
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<a name="l00048"></a>00048     <span class="keywordflow">if</span>(err)
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<a name="l00049"></a>00049         User::Leave(err);
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<a name="l00050"></a>00050     }
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00053"></a>00053 <span class="comment">// CBookDb::CBookDb()</span>
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<a name="l00054"></a>00054 <span class="comment">//</span>
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<a name="l00055"></a>00055 <span class="comment">// Constructor</span>
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<a name="l00056"></a>00056 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00057"></a>00057 CBookDb::CBookDb()
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<a name="l00058"></a>00058     {
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<a name="l00059"></a>00059     iOpen = EFalse;
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<a name="l00060"></a>00060     }
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00063"></a>00063 <span class="comment">// CBookDb::OpenDbL()</span>
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<a name="l00064"></a>00064 <span class="comment">//</span>
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<a name="l00065"></a>00065 <span class="comment">// Open existing Book database for exclusive access.</span>
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<a name="l00066"></a>00066 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00067"></a><a class="code" href="class_c_book_db.html#adad67a3cd76d53b953e568e6800d39fa">00067</a> TInt <a class="code" href="class_c_book_db.html#adad67a3cd76d53b953e568e6800d39fa">CBookDb::OpenDb</a>(<span class="keyword">const</span> TFileName&amp; aExistingBookFile)
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<a name="l00068"></a>00068     {
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<a name="l00069"></a>00069     <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">Close</a>();
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071     <span class="keywordflow">if</span>(!BaflUtils::FileExists(iFsSession, aExistingBookFile))
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<a name="l00072"></a>00072         {
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<a name="l00073"></a>00073             <span class="keywordflow">return</span> KErrNotFound;
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<a name="l00074"></a>00074         }
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076         TRAPD(error,
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<a name="l00077"></a>00077                 iFileStore = CPermanentFileStore::OpenL(iFsSession, aExistingBookFile,
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<a name="l00078"></a>00078                         EFileRead|EFileWrite);
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<a name="l00079"></a>00079                 iFileStore-&gt;SetTypeL(iFileStore-&gt;Layout());<span class="comment">/* Set file store type*/</span>
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<a name="l00080"></a>00080                 iBookDb.OpenL(iFileStore,iFileStore-&gt;Root())
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<a name="l00081"></a>00081                 );
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<a name="l00082"></a>00082     <span class="keywordflow">if</span>(error!=KErrNone)
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<a name="l00083"></a>00083     {
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<a name="l00084"></a>00084         <span class="keywordflow">return</span> error;
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<a name="l00085"></a>00085     }
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<a name="l00086"></a>00086
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<a name="l00087"></a>00087     iOpen = ETrue;
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<a name="l00088"></a>00088     <span class="keywordflow">return</span> KErrNone;
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<a name="l00089"></a>00089     }
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<a name="l00090"></a>00090
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<a name="l00091"></a>00091 <span class="comment">// ---------------------------------------------------------------------------</span>
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   102
 
<a name="l00092"></a>00092 <span class="comment">// CBookDb::CreateDbL()</span>
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   103
 
<a name="l00093"></a>00093 <span class="comment">//</span>
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   104
 
<a name="l00094"></a>00094 <span class="comment">// Create a new database. The database will be in exclusive access mode.</span>
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   105
 
<a name="l00095"></a>00095 <span class="comment">// ---------------------------------------------------------------------------</span>
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   106
 
<a name="l00096"></a><a class="code" href="class_c_book_db.html#a63294e77864336caff068a0d8328084c">00096</a> TInt <a class="code" href="class_c_book_db.html#a63294e77864336caff068a0d8328084c">CBookDb::CreateDb</a>(<span class="keyword">const</span> TFileName&amp; aNewBookFile)
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   107
 
<a name="l00097"></a>00097     {
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   108
 
<a name="l00098"></a>00098     <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">Close</a>();
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diff changeset 
   109
 
<a name="l00099"></a>00099
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   110
 
<a name="l00100"></a>00100     <span class="comment">// Create empty database file.</span>
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   111
 
<a name="l00101"></a>00101     TRAPD(error,
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   112
 
<a name="l00102"></a>00102         iFileStore = CPermanentFileStore::ReplaceL(iFsSession, aNewBookFile,
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   113
 
<a name="l00103"></a>00103                 EFileRead|EFileWrite);
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   114
 
<a name="l00104"></a>00104         iFileStore-&gt;SetTypeL(iFileStore-&gt;Layout());<span class="comment">// Set file store type</span>
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   115
 
<a name="l00105"></a>00105         TStreamId <span class="keywordtype">id</span> = iBookDb.CreateL(iFileStore);<span class="comment">// Create stream object</span>
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   116
 
<a name="l00106"></a>00106         iFileStore-&gt;SetRootL(<span class="keywordtype">id</span>);<span class="comment">// Keep database id as root of store</span>
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   117
 
<a name="l00107"></a>00107         iFileStore-&gt;CommitL();<span class="comment">// Complete creation by commiting</span>
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   118
 
<a name="l00108"></a>00108         <span class="comment">// Create Book tables and indexes</span>
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   119
 
<a name="l00109"></a>00109         CreateBooksTableL();
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   120
 
<a name="l00110"></a>00110         CreateBooksIndexL();
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   121
 
<a name="l00111"></a>00111         );
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   122
 
<a name="l00112"></a>00112
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   123
 
<a name="l00113"></a>00113     <span class="keywordflow">if</span>(error!=KErrNone)
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   124
 
<a name="l00114"></a>00114     {
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   125
 
<a name="l00115"></a>00115         <span class="keywordflow">return</span> error;
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   126
 
<a name="l00116"></a>00116     }
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   127
 
<a name="l00117"></a>00117     iOpen = ETrue;
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   128
 
<a name="l00118"></a>00118     <span class="keywordflow">return</span> KErrNone;
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   129
 
<a name="l00119"></a>00119     }
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   130
 
<a name="l00120"></a>00120
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   131
 
<a name="l00121"></a>00121 <span class="comment">// ---------------------------------------------------------------------------</span>
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   132
 
<a name="l00122"></a>00122 <span class="comment">// CBookDb::RemoveDb()</span>
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   133
 
<a name="l00123"></a>00123 <span class="comment">//</span>
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   134
 
<a name="l00124"></a>00124 <span class="comment">// First remove the Books table. Then remove the database file.</span>
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   135
 
<a name="l00125"></a>00125 <span class="comment">// ---------------------------------------------------------------------------</span>
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   136
 
<a name="l00126"></a><a class="code" href="class_c_book_db.html#a2a68483e682d42b6cbde02dc2abaf7b1">00126</a> TInt <a class="code" href="class_c_book_db.html#a2a68483e682d42b6cbde02dc2abaf7b1">CBookDb::RemoveDb</a>(<span class="keyword">const</span> TFileName&amp; aExistingBookFile)
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   137
 
<a name="l00127"></a>00127     {
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   138
 
<a name="l00128"></a>00128     <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">Close</a>();
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diff changeset 
   139
 
<a name="l00129"></a>00129
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   140
 
<a name="l00130"></a>00130     <span class="keywordflow">if</span>(!BaflUtils::FileExists(iFsSession, aExistingBookFile))
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   141
 
<a name="l00131"></a>00131         {
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   142
 
<a name="l00132"></a>00132             <span class="keywordflow">return</span> KErrNotFound;
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   143
 
<a name="l00133"></a>00133         }
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diff changeset 
   144
 
<a name="l00134"></a>00134
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   145
 
<a name="l00135"></a>00135     <span class="comment">// It is enough to delete the database file directly. Because this example</span>
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   146
 
<a name="l00136"></a>00136     <span class="comment">// demonstrates DDL statements, it first opens and drops the Books table.</span>
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   147
 
<a name="l00137"></a>00137
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   148
 
<a name="l00138"></a>00138         TInt error = <a class="code" href="class_c_book_db.html#adad67a3cd76d53b953e568e6800d39fa">OpenDb</a>(aExistingBookFile);
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   149
 
<a name="l00139"></a>00139         <span class="keywordflow">if</span>(error!=KErrNone)
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   150
 
<a name="l00140"></a>00140     {
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   151
 
<a name="l00141"></a>00141         <span class="keywordflow">return</span> error;
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   152
 
<a name="l00142"></a>00142     }
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diff changeset 
   153
 
<a name="l00143"></a>00143
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   154
 
<a name="l00144"></a>00144     DropBooksTable();
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   155
 
<a name="l00145"></a>00145     <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">Close</a>();
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diff changeset 
   156
 
<a name="l00146"></a>00146
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   157
 
<a name="l00147"></a>00147     iFsSession.Delete(aExistingBookFile);
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   158
 
<a name="l00148"></a>00148     <span class="keywordflow">return</span> KErrNone;
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   159
 
<a name="l00149"></a>00149     }
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diff changeset 
   160
 
<a name="l00150"></a>00150
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diff changeset 
   161
 
<a name="l00151"></a>00151 <span class="comment">// ---------------------------------------------------------------------------</span>
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   162
 
<a name="l00152"></a>00152 <span class="comment">// CBookDb::Close()</span>
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   163
 
<a name="l00153"></a>00153 <span class="comment">//</span>
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   164
 
<a name="l00154"></a>00154 <span class="comment">// Close the database.</span>
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   165
 
<a name="l00155"></a>00155 <span class="comment">// ---------------------------------------------------------------------------</span>
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diff changeset 
   166
 
<a name="l00156"></a><a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">00156</a> TInt <a class="code" href="class_c_book_db.html#a3487424c728056eb2a95b0108dd46473">CBookDb::Close</a>()
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diff changeset 
   167
 
<a name="l00157"></a>00157     {
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   168
 
<a name="l00158"></a>00158     iBookDb.Close();
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   169
 
<a name="l00159"></a>00159     <span class="keywordflow">if</span>(iFileStore)
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   170
 
<a name="l00160"></a>00160         {
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   171
 
<a name="l00161"></a>00161         <span class="keyword">delete</span> iFileStore;
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   172
 
<a name="l00162"></a>00162         iFileStore = NULL;
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   173
 
<a name="l00163"></a>00163         }
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   174
 
<a name="l00164"></a>00164     iOpen = EFalse;
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   175
 
<a name="l00165"></a>00165     <span class="keywordflow">return</span> KErrNone;
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   176
 
<a name="l00166"></a>00166     }
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   177
 
<a name="l00167"></a>00167
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   178
 
<a name="l00168"></a>00168 <span class="comment">// ---------------------------------------------------------------------------</span>
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   179
 
<a name="l00169"></a>00169 <span class="comment">// CBookDb::IsOpen()</span>
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   180
 
<a name="l00170"></a>00170 <span class="comment">//</span>
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   181
 
<a name="l00171"></a>00171 <span class="comment">// Return open status of the database.</span>
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   182
 
<a name="l00172"></a>00172 <span class="comment">// ---------------------------------------------------------------------------</span>
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   183
 
<a name="l00173"></a><a class="code" href="class_c_book_db.html#adf1b55c6f6f22739b4546dd180f39967">00173</a> TBool <a class="code" href="class_c_book_db.html#adf1b55c6f6f22739b4546dd180f39967">CBookDb::IsOpen</a>()<span class="keyword"> const</span>
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   184
 
<a name="l00174"></a>00174 <span class="keyword">    </span>{
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   185
 
<a name="l00175"></a>00175     <span class="keywordflow">return</span> iOpen;
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   186
 
<a name="l00176"></a>00176     }
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   187
 
<a name="l00177"></a>00177
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   188
 
<a name="l00178"></a>00178 <span class="comment">// ---------------------------------------------------------------------------</span>
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   189
 
<a name="l00179"></a>00179 <span class="comment">// CBookDb::CreateBooksTableL()</span>
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   190
 
<a name="l00180"></a>00180 <span class="comment">//</span>
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   191
 
<a name="l00181"></a>00181 <span class="comment">// Creates Books table. Leaves, if the table cannot be created.</span>
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   192
 
<a name="l00182"></a>00182 <span class="comment">// ---------------------------------------------------------------------------</span>
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   193
 
<a name="l00183"></a>00183 <span class="keywordtype">void</span> CBookDb::CreateBooksTableL()
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   194
 
<a name="l00184"></a>00184     {
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   195
 
<a name="l00185"></a>00185
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   196
 
<a name="l00186"></a>00186     <span class="comment">// Specify columns for Books table</span>
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   197
 
<a name="l00187"></a>00187     TDbCol authorCol(KBooksAuthorCol, EDbColText);   <span class="comment">// Using default length</span>
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   198
 
<a name="l00188"></a>00188     TDbCol titleCol(KBooksTitleCol, EDbColText, KTitleMaxLength);
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   199
 
<a name="l00189"></a>00189     titleCol.iAttributes = TDbCol::ENotNull;
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   200
 
<a name="l00190"></a>00190     TDbCol descriptionCol(KBooksDescriptionCol, EDbColLongText); <span class="comment">// Stream Data</span>
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diff changeset 
   201
 
<a name="l00191"></a>00191
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   202
 
<a name="l00192"></a>00192     <span class="comment">// Add the columns to column set</span>
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   203
 
<a name="l00193"></a>00193     CDbColSet* bookColSet = CDbColSet::NewLC();
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   204
 
<a name="l00194"></a>00194     bookColSet-&gt;AddL(authorCol);
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<a name="l00195"></a>00195     bookColSet-&gt;AddL(titleCol);
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<a name="l00196"></a>00196     bookColSet-&gt;AddL(descriptionCol);
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<a name="l00197"></a>00197
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<a name="l00198"></a>00198     <span class="comment">// Create the Books table</span>
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<a name="l00199"></a>00199     User::LeaveIfError(iBookDb.CreateTable(KBooksTable,
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<a name="l00200"></a>00200         *bookColSet));
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<a name="l00201"></a>00201     CleanupStack::PopAndDestroy(bookColSet);
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<a name="l00202"></a>00202     }
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<a name="l00203"></a>00203
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<a name="l00204"></a>00204 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00205"></a>00205 <span class="comment">// CBookDb::CreateBooksIndexL()</span>
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<a name="l00206"></a>00206 <span class="comment">//</span>
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<a name="l00207"></a>00207 <span class="comment">// Creates an index for Books table. Leaves, if the index cannot be created.</span>
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<a name="l00208"></a>00208 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00209"></a>00209 <span class="keywordtype">void</span> CBookDb::CreateBooksIndexL()
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<a name="l00210"></a>00210     {
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<a name="l00211"></a>00211     <span class="comment">// Create index consisting of two columns</span>
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<a name="l00212"></a>00212     TDbKeyCol authorCol(KBooksAuthorCol);
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<a name="l00213"></a>00213     TDbKeyCol titleCol(KBooksTitleCol);
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<a name="l00214"></a>00214
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<a name="l00215"></a>00215     CDbKey* index = CDbKey::NewLC();   <span class="comment">// create index key set</span>
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<a name="l00216"></a>00216     index-&gt;AddL(titleCol);
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<a name="l00217"></a>00217     index-&gt;AddL(authorCol);
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<a name="l00218"></a>00218     User::LeaveIfError(iBookDb.CreateIndex(
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<a name="l00219"></a>00219         KBooksIndexName, KBooksTable, *index));
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<a name="l00220"></a>00220     CleanupStack::PopAndDestroy(index);
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<a name="l00221"></a>00221     }
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<a name="l00222"></a>00222
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<a name="l00223"></a>00223 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00224"></a>00224 <span class="comment">// CBookDb::DropBooksTable()</span>
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<a name="l00225"></a>00225 <span class="comment">//</span>
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<a name="l00226"></a>00226 <span class="comment">// Drop the Books table incrementally. Uses RDbIncremental and DDL statement.</span>
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<a name="l00227"></a>00227 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00228"></a>00228 <span class="keywordtype">void</span> CBookDb::DropBooksTable()
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<a name="l00229"></a>00229     {
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<a name="l00230"></a>00230
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<a name="l00231"></a>00231     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDropTable, <span class="stringliteral">&quot;DROP TABLE &quot;</span>);
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<a name="l00232"></a>00232
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<a name="l00233"></a>00233     <span class="comment">// Sql: DROP TABLE Books</span>
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<a name="l00234"></a>00234     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
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<a name="l00235"></a>00235     sqlStr.Append(KDropTable);
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<a name="l00236"></a>00236     sqlStr.Append(KBooksTable);
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<a name="l00237"></a>00237
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<a name="l00238"></a>00238     RDbIncremental incOp;
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<a name="l00239"></a>00239     TInt incStep = 0xFFFF;
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<a name="l00240"></a>00240     <span class="comment">// Initialise Execution</span>
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<a name="l00241"></a>00241     TInt incStat = incOp.Execute(iBookDb, sqlStr, incStep);
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<a name="l00242"></a>00242     <span class="keywordflow">while</span> (incStep&gt;0 &amp;&amp; incStat==KErrNone)
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<a name="l00243"></a>00243         {
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<a name="l00244"></a>00244         incStat = incOp.Next(incStep); <span class="comment">// Do the work</span>
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<a name="l00245"></a>00245         }
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<a name="l00246"></a>00246     incOp.Close();
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<a name="l00247"></a>00247     }
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<a name="l00248"></a>00248
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<a name="l00249"></a>00249 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00250"></a>00250 <span class="comment">// CBookDb::AddBookWithSqlL()</span>
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<a name="l00251"></a>00251 <span class="comment">//</span>
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<a name="l00252"></a>00252 <span class="comment">// Add a book to database using RDbView and SQL</span>
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<a name="l00253"></a>00253 <span class="comment">// ---------------------------------------------------------------------------</span>
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<a name="l00254"></a><a class="code" href="class_c_book_db.html#a3137b55dcff9d2135230a40211321476">00254</a> TInt <a class="code" href="class_c_book_db.html#a3137b55dcff9d2135230a40211321476">CBookDb::AddBookWithSql</a>(<span class="keyword">const</span> TDesC&amp; aAuthor,
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<a name="l00255"></a>00255                          <span class="keyword">const</span> TDesC&amp; aTitle,
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<a name="l00256"></a>00256                          <span class="keyword">const</span> TDesC&amp; aDescription)
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<a name="l00257"></a>00257     {
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<a name="l00258"></a>00258
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<a name="l00259"></a>00259     <span class="keywordflow">if</span>(aAuthor.Length()==0 || aTitle.Length()==0 || aDescription.Length()==0)
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<a name="l00260"></a>00260         {
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<a name="l00261"></a>00261         <span class="keywordflow">return</span> KErrGeneral;
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<a name="l00262"></a>00262         }
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<a name="l00263"></a>00263
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<a name="l00264"></a>00264         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSelect, <span class="stringliteral">&quot;SELECT &quot;</span>);
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<a name="l00265"></a>00265         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFrom, <span class="stringliteral">&quot; FROM &quot;</span>);
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<a name="l00266"></a>00266         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KOrderBy, <span class="stringliteral">&quot; ORDER BY &quot;</span>);
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<a name="l00267"></a>00267         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDot, <span class="stringliteral">&quot;, &quot;</span>);
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<a name="l00268"></a>00268
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<a name="l00269"></a>00269     <span class="comment">// Sql: SELECT Author, Title, Description FROM Books ORDER BY Title, Author</span>
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<a name="l00270"></a>00270     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
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<a name="l00271"></a>00271
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<a name="l00272"></a>00272     sqlStr.Append(KSelect);
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<a name="l00273"></a>00273     sqlStr.Append(KBooksAuthorCol);
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<a name="l00274"></a>00274     sqlStr.Append(KDot);
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<a name="l00275"></a>00275     sqlStr.Append(KBooksTitleCol);
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<a name="l00276"></a>00276     sqlStr.Append(KDot);
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<a name="l00277"></a>00277     sqlStr.Append(KBooksDescriptionCol);
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<a name="l00278"></a>00278     sqlStr.Append(KFrom);
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<a name="l00279"></a>00279     sqlStr.Append(KBooksTable);
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<a name="l00280"></a>00280     sqlStr.Append(KOrderBy);
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<a name="l00281"></a>00281     sqlStr.Append(KBooksTitleCol);
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<a name="l00282"></a>00282     sqlStr.Append(KDot);
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<a name="l00283"></a>00283     sqlStr.Append(KBooksAuthorCol);
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<a name="l00284"></a>00284
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<a name="l00285"></a>00285     RDbView view;    <span class="comment">// Create a view on the database</span>
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<a name="l00286"></a>00286     TInt error;
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<a name="l00287"></a>00287     error = view.Prepare(iBookDb, TDbQuery(sqlStr, EDbCompareFolded));
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<a name="l00288"></a>00288     <span class="keywordflow">if</span>(error!=KErrNone)
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<a name="l00289"></a>00289     {
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<a name="l00290"></a>00290         <span class="keywordflow">return</span> error;
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<a name="l00291"></a>00291     }
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<a name="l00292"></a>00292     error = view.EvaluateAll();
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<a name="l00293"></a>00293     <span class="keywordflow">if</span>(error!=KErrNone)
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<a name="l00294"></a>00294     {
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<a name="l00295"></a>00295         <span class="keywordflow">return</span> error;
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<a name="l00296"></a>00296     }
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<a name="l00297"></a>00297     RDbColWriteStream writeStream;  <span class="comment">// Use stream to insert the description</span>
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<a name="l00298"></a>00298
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<a name="l00299"></a>00299     TRAP(error,
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Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   310
 
<a name="l00300"></a>00300         view.InsertL();  <span class="comment">// Insert a row. Column order matches sql select statement</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   311
 
<a name="l00301"></a>00301         view.SetColL(1, aAuthor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   312
 
<a name="l00302"></a>00302                 view.SetColL(2, aTitle);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   313
 
<a name="l00303"></a>00303         writeStream.OpenL(view, 3);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   314
 
<a name="l00304"></a>00304         writeStream.WriteL(aDescription);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   315
 
<a name="l00305"></a>00305
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   316
 
<a name="l00306"></a>00306         );
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   317
 
<a name="l00307"></a>00307     <span class="keywordflow">if</span>(error!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   318
 
<a name="l00308"></a>00308     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   319
 
<a name="l00309"></a>00309         <span class="keywordflow">return</span> error;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   320
 
<a name="l00310"></a>00310     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   321
 
<a name="l00311"></a>00311     writeStream.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   322
 
<a name="l00312"></a>00312     TRAP(error, view.PutL()); <span class="comment">// Complete insertion</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   323
 
<a name="l00313"></a>00313         <span class="keywordflow">if</span>(error!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   324
 
<a name="l00314"></a>00314     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   325
 
<a name="l00315"></a>00315         <span class="keywordflow">return</span> error;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   326
 
<a name="l00316"></a>00316     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   327
 
<a name="l00317"></a>00317     view.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   328
 
<a name="l00318"></a>00318     <span class="keywordflow">return</span> KErrNone;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   329
 
<a name="l00319"></a>00319     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   330
 
<a name="l00320"></a>00320
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   331
 
<a name="l00321"></a>00321 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   332
 
<a name="l00322"></a>00322 <span class="comment">// CBookDb::AddBookWithCppApiL()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   333
 
<a name="l00323"></a>00323 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   334
 
<a name="l00324"></a>00324 <span class="comment">// Add a book to database using RDbTable API</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   335
 
<a name="l00325"></a>00325 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   336
 
<a name="l00326"></a><a class="code" href="class_c_book_db.html#aef6806bae5307151073caedaea88e81f">00326</a> TInt <a class="code" href="class_c_book_db.html#aef6806bae5307151073caedaea88e81f">CBookDb::AddBookWithCppApiL</a>(<span class="keyword">const</span> TDesC&amp; aAuthor,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   337
 
<a name="l00327"></a>00327                             <span class="keyword">const</span> TDesC&amp; aTitle,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   338
 
<a name="l00328"></a>00328                             <span class="keyword">const</span> TDesC&amp; aDescription)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   339
 
<a name="l00329"></a>00329     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   340
 
<a name="l00330"></a>00330
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   341
 
<a name="l00331"></a>00331     <span class="keywordflow">if</span>(aAuthor.Length()==0 || aTitle.Length()==0 || aDescription.Length()==0)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   342
 
<a name="l00332"></a>00332         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   343
 
<a name="l00333"></a>00333         <span class="keywordflow">return</span> KErrGeneral;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   344
 
<a name="l00334"></a>00334         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   345
 
<a name="l00335"></a>00335
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   346
 
<a name="l00336"></a>00336     <span class="comment">// Create an updateable database table object</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   347
 
<a name="l00337"></a>00337     RDbTable table;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   348
 
<a name="l00338"></a>00338     TInt err = table.Open(iBookDb, KBooksTable, table.EUpdatable);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   349
 
<a name="l00339"></a>00339
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   350
 
<a name="l00340"></a>00340     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   351
 
<a name="l00341"></a>00341     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   352
 
<a name="l00342"></a>00342         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   353
 
<a name="l00343"></a>00343     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   354
 
<a name="l00344"></a>00344
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   355
 
<a name="l00345"></a>00345         CDbColSet* booksColSet = table.ColSetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   356
 
<a name="l00346"></a>00346     CleanupStack::PushL(booksColSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   357
 
<a name="l00347"></a>00347
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   358
 
<a name="l00348"></a>00348     table.Reset();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   359
 
<a name="l00349"></a>00349     RDbColWriteStream writeStream;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   360
 
<a name="l00350"></a>00350
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   361
 
<a name="l00351"></a>00351     TRAPD(error,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   362
 
<a name="l00352"></a>00352         table.InsertL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   363
 
<a name="l00353"></a>00353         table.SetColL(booksColSet-&gt;ColNo(KBooksAuthorCol), aAuthor); <span class="comment">// col = 1</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   364
 
<a name="l00354"></a>00354         table.SetColL(booksColSet-&gt;ColNo(KBooksTitleCol), aTitle);   <span class="comment">// col = 2</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   365
 
<a name="l00355"></a>00355         <span class="comment">// Use a stream for the long text column</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   366
 
<a name="l00356"></a>00356                 writeStream.OpenL(table, booksColSet-&gt;ColNo(KBooksDescriptionCol));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   367
 
<a name="l00357"></a>00357         writeStream.WriteL(aDescription);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   368
 
<a name="l00358"></a>00358         );
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   369
 
<a name="l00359"></a>00359
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   370
 
<a name="l00360"></a>00360         <span class="keywordflow">if</span>(error!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   371
 
<a name="l00361"></a>00361     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   372
 
<a name="l00362"></a>00362         <span class="keywordflow">return</span> error;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   373
 
<a name="l00363"></a>00363     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   374
 
<a name="l00364"></a>00364         writeStream.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   375
 
<a name="l00365"></a>00365
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   376
 
<a name="l00366"></a>00366     TRAP(err, table.PutL());    <span class="comment">// Complete changes (the insertion)</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   377
 
<a name="l00367"></a>00367         <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   378
 
<a name="l00368"></a>00368     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   379
 
<a name="l00369"></a>00369         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   380
 
<a name="l00370"></a>00370     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   381
 
<a name="l00371"></a>00371
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   382
 
<a name="l00372"></a>00372     CleanupStack::PopAndDestroy(booksColSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   383
 
<a name="l00373"></a>00373     table.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   384
 
<a name="l00374"></a>00374
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   385
 
<a name="l00375"></a>00375     <span class="keywordflow">return</span> KErrNone;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   386
 
<a name="l00376"></a>00376
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   387
 
<a name="l00377"></a>00377     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   388
 
<a name="l00378"></a>00378
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   389
 
<a name="l00379"></a>00379 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   390
 
<a name="l00380"></a>00380 <span class="comment">// CBookDb::GetAllBooksL()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   391
 
<a name="l00381"></a>00381 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   392
 
<a name="l00382"></a>00382 <span class="comment">// Get array of all books in database. Format of each array item is:</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   393
 
<a name="l00383"></a>00383 <span class="comment">//      &lt;Author&gt;|&lt;Title&gt;|&lt;Description&gt;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   394
 
<a name="l00384"></a>00384 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   395
 
<a name="l00385"></a><a class="code" href="class_c_book_db.html#a748adb83e450c321b2c9af57eaf029e4">00385</a> CDesCArrayFlat* <a class="code" href="class_c_book_db.html#a748adb83e450c321b2c9af57eaf029e4">CBookDb::GetAllBooksL</a>()
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   396
 
<a name="l00386"></a>00386     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   397
 
<a name="l00387"></a>00387     TPtrC author, title;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   398
 
<a name="l00388"></a>00388     TBuf&lt;KDescriptionMaxLength&gt; description;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   399
 
<a name="l00389"></a>00389     TBuf&lt;KBookItemMaxLength&gt; rowText;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   400
 
<a name="l00390"></a>00390
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   401
 
<a name="l00391"></a>00391     RDbTable table;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   402
 
<a name="l00392"></a>00392     TInt err = table.Open(iBookDb, KBooksTable, table.EReadOnly);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   403
 
<a name="l00393"></a>00393     User::LeaveIfError(err);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   404
 
<a name="l00394"></a>00394
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   405
 
<a name="l00395"></a>00395     CDesCArrayFlat* resultArray =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   406
 
<a name="l00396"></a>00396         <span class="keyword">new</span> (ELeave)CDesC16ArrayFlat(KArrayGranularity);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   407
 
<a name="l00397"></a>00397     CleanupStack::PushL(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   408
 
<a name="l00398"></a>00398
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   409
 
<a name="l00399"></a>00399     table.Reset();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   410
 
<a name="l00400"></a>00400     CDbColSet* colSet = table.ColSetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   411
 
<a name="l00401"></a>00401     CleanupStack::PushL(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   412
 
<a name="l00402"></a>00402
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   413
 
<a name="l00403"></a>00403     <span class="keywordflow">for</span> (table.FirstL(); table.AtRow(); table.NextL())
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   414
 
<a name="l00404"></a>00404         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   415
 
<a name="l00405"></a>00405         description.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   416
 
<a name="l00406"></a>00406         rowText.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   417
 
<a name="l00407"></a>00407
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   418
 
<a name="l00408"></a>00408         table.GetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   419
 
<a name="l00409"></a>00409
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   420
 
<a name="l00410"></a>00410         author.Set(table.ColDes(colSet-&gt;ColNo(KBooksAuthorCol)));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   421
 
<a name="l00411"></a>00411         title.Set(table.ColDes(colSet-&gt;ColNo(KBooksTitleCol)));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   422
 
<a name="l00412"></a>00412
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   423
 
<a name="l00413"></a>00413         TDbColNo descrColNo = colSet-&gt;ColNo(KBooksDescriptionCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   424
 
<a name="l00414"></a>00414         RDbColReadStream readStream;       <span class="comment">// A stream object for long columns</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   425
 
<a name="l00415"></a>00415         readStream.OpenLC(table,descrColNo);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   426
 
<a name="l00416"></a>00416         readStream.ReadL(description, table.ColLength(descrColNo));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   427
 
<a name="l00417"></a>00417         readStream.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   428
 
<a name="l00418"></a>00418         CleanupStack::Pop(); <span class="comment">//readStream</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   429
 
<a name="l00419"></a>00419
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   430
 
<a name="l00420"></a>00420         rowText.Append(author);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   431
 
<a name="l00421"></a>00421         rowText.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   432
 
<a name="l00422"></a>00422         rowText.Append(title);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   433
 
<a name="l00423"></a>00423         rowText.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   434
 
<a name="l00424"></a>00424         rowText.Append(description);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   435
 
<a name="l00425"></a>00425
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   436
 
<a name="l00426"></a>00426         resultArray-&gt;AppendL(rowText); <span class="comment">// Copy rowText to resultArray</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   437
 
<a name="l00427"></a>00427         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   438
 
<a name="l00428"></a>00428     CleanupStack::PopAndDestroy(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   439
 
<a name="l00429"></a>00429     CleanupStack::Pop(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   440
 
<a name="l00430"></a>00430     table.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   441
 
<a name="l00431"></a>00431
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   442
 
<a name="l00432"></a>00432     <span class="keywordflow">return</span> resultArray;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   443
 
<a name="l00433"></a>00433     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   444
 
<a name="l00434"></a>00434
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   445
 
<a name="l00435"></a>00435 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   446
 
<a name="l00436"></a>00436 <span class="comment">// CBookDb::GetABookFast()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   447
 
<a name="l00437"></a>00437 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   448
 
<a name="l00438"></a>00438 <span class="comment">// Get a book using index. Format of the result is:</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   449
 
<a name="l00439"></a>00439 <span class="comment">//      &lt;Author&gt;|&lt;Title&gt;|&lt;Description&gt;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   450
 
<a name="l00440"></a>00440 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   451
 
<a name="l00441"></a><a class="code" href="class_c_book_db.html#a3f4fd01c0f549c6c564955f2faa6ee62">00441</a> TInt <a class="code" href="class_c_book_db.html#a3f4fd01c0f549c6c564955f2faa6ee62">CBookDb::GetABookFast</a>(<span class="keyword">const</span> TDesC&amp; aTitle, TDes&amp; aResult)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   452
 
<a name="l00442"></a>00442     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   453
 
<a name="l00443"></a>00443     TInt err = KErrNone;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   454
 
<a name="l00444"></a>00444     TBuf&lt;KDescriptionMaxLength&gt; description; <span class="comment">// Only 128 first characters read</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   455
 
<a name="l00445"></a>00445     RDbTable rowset;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   456
 
<a name="l00446"></a>00446
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   457
 
<a name="l00447"></a>00447     TDbSeekKey seekKey(aTitle); <span class="comment">// Initialize one-column seek key</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   458
 
<a name="l00448"></a>00448
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   459
 
<a name="l00449"></a>00449     <span class="comment">// Open view to &quot;Books&quot; table. Use index to browse the table.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   460
 
<a name="l00450"></a>00450     err = rowset.Open(iBookDb, KBooksTable, rowset.EReadOnly);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   461
 
<a name="l00451"></a>00451     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   462
 
<a name="l00452"></a>00452     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   463
 
<a name="l00453"></a>00453         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   464
 
<a name="l00454"></a>00454     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   465
 
<a name="l00455"></a>00455     err = rowset.SetIndex(KBooksIndexName);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   466
 
<a name="l00456"></a>00456     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   467
 
<a name="l00457"></a>00457     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   468
 
<a name="l00458"></a>00458         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   469
 
<a name="l00459"></a>00459     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   470
 
<a name="l00460"></a>00460     <span class="comment">// Query colum numbers for author, title, and description</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   471
 
<a name="l00461"></a>00461     CDbColSet* colSet=NULL;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   472
 
<a name="l00462"></a>00462     TRAP(err, colSet = rowset.ColSetL());
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   473
 
<a name="l00463"></a>00463     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   474
 
<a name="l00464"></a>00464     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   475
 
<a name="l00465"></a>00465         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   476
 
<a name="l00466"></a>00466     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   477
 
<a name="l00467"></a>00467
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   478
 
<a name="l00468"></a>00468     TInt authorColumnNo = colSet-&gt;ColNo(KBooksAuthorCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   479
 
<a name="l00469"></a>00469     TInt titleColumnNo = colSet-&gt;ColNo(KBooksTitleCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   480
 
<a name="l00470"></a>00470     TInt descrColumnNo = colSet-&gt;ColNo(KBooksDescriptionCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   481
 
<a name="l00471"></a>00471
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   482
 
<a name="l00472"></a>00472     <span class="comment">// Search the index for aTitle</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   483
 
<a name="l00473"></a>00473     TBool isTitle = <span class="keyword">false</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   484
 
<a name="l00474"></a>00474     TRAP(err, isTitle = rowset.SeekL(seekKey));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   485
 
<a name="l00475"></a>00475     <span class="keywordflow">if</span>(isTitle)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   486
 
<a name="l00476"></a>00476         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   487
 
<a name="l00477"></a>00477         RDbColReadStream readStream;     <span class="comment">// A stream object for long columns</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   488
 
<a name="l00478"></a>00478         TRAPD(error,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   489
 
<a name="l00479"></a>00479                 rowset.GetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   490
 
<a name="l00480"></a>00480                 readStream.OpenL(rowset,descrColumnNo);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   491
 
<a name="l00481"></a>00481                 readStream.ReadL(description, rowset.ColLength(descrColumnNo));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   492
 
<a name="l00482"></a>00482                 );
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   493
 
<a name="l00483"></a>00483         <span class="keywordflow">if</span>(error!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   494
 
<a name="l00484"></a>00484         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   495
 
<a name="l00485"></a>00485                 <span class="keywordflow">return</span> error;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   496
 
<a name="l00486"></a>00486         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   497
 
<a name="l00487"></a>00487
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   498
 
<a name="l00488"></a>00488         readStream.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   499
 
<a name="l00489"></a>00489
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   500
 
<a name="l00490"></a>00490         aResult.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   501
 
<a name="l00491"></a>00491         aResult.Append(rowset.ColDes(authorColumnNo));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   502
 
<a name="l00492"></a>00492         aResult.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   503
 
<a name="l00493"></a>00493         aResult.Append(rowset.ColDes(titleColumnNo));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   504
 
<a name="l00494"></a>00494         aResult.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   505
 
<a name="l00495"></a>00495         aResult.Append(description);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   506
 
<a name="l00496"></a>00496
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   507
 
<a name="l00497"></a>00497         err = KErrNone;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   508
 
<a name="l00498"></a>00498         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   509
 
<a name="l00499"></a>00499     <span class="keywordflow">else</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   510
 
<a name="l00500"></a>00500         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   511
 
<a name="l00501"></a>00501         err = KErrNotFound;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   512
 
<a name="l00502"></a>00502         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   513
 
<a name="l00503"></a>00503
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   514
 
<a name="l00504"></a>00504     rowset.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   515
 
<a name="l00505"></a>00505     <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   516
 
<a name="l00506"></a>00506     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   517
 
<a name="l00507"></a>00507
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   518
 
<a name="l00508"></a>00508 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   519
 
<a name="l00509"></a>00509 <span class="comment">// CBookDb::GetBooksByKeyL()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   520
 
<a name="l00510"></a>00510 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   521
 
<a name="l00511"></a>00511 <span class="comment">// Get array of books from database according to column name and a search</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   522
 
<a name="l00512"></a>00512 <span class="comment">// pattern. Format of each array item is:</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   523
 
<a name="l00513"></a>00513 <span class="comment">//      &lt;Author&gt;|&lt;Title&gt;|&lt;Description&gt;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   524
 
<a name="l00514"></a>00514 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   525
 
<a name="l00515"></a><a class="code" href="class_c_book_db.html#a6b153d0c0eb9d365b1163ec1301be78e">00515</a> CDesCArrayFlat* <a class="code" href="class_c_book_db.html#a6b153d0c0eb9d365b1163ec1301be78e">CBookDb::GetBooksByKeyL</a>(<span class="keyword">const</span> TDesC&amp; aColumnName,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   526
 
<a name="l00516"></a>00516     <span class="keyword">const</span> TDesC&amp; aSearchString)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   527
 
<a name="l00517"></a>00517     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   528
 
<a name="l00518"></a>00518
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   529
 
<a name="l00519"></a>00519     TPtrC author, title;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   530
 
<a name="l00520"></a>00520     TBuf&lt;KDescriptionMaxLength&gt; description;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   531
 
<a name="l00521"></a>00521     TBuf&lt;KBookItemMaxLength&gt; rowText;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   532
 
<a name="l00522"></a>00522
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   533
 
<a name="l00523"></a>00523         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSelect, <span class="stringliteral">&quot;SELECT &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   534
 
<a name="l00524"></a>00524         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFrom, <span class="stringliteral">&quot; FROM &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   535
 
<a name="l00525"></a>00525         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KWhere, <span class="stringliteral">&quot; WHERE &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   536
 
<a name="l00526"></a>00526         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KLike, <span class="stringliteral">&quot; LIKE &#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   537
 
<a name="l00527"></a>00527         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KOrderBy, <span class="stringliteral">&quot;&#39; ORDER BY &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   538
 
<a name="l00528"></a>00528         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDot, <span class="stringliteral">&quot;, &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   539
 
<a name="l00529"></a>00529
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   540
 
<a name="l00530"></a>00530     <span class="comment">// Sql: SELECT Author, Title, Description FROM Books</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   541
 
<a name="l00531"></a>00531     <span class="comment">//      WHERE &quot;aColumnName LIKE aSearchString&quot;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   542
 
<a name="l00532"></a>00532     <span class="comment">//      ORDER BY Title, Author</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   543
 
<a name="l00533"></a>00533     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   544
 
<a name="l00534"></a>00534     sqlStr.Append(KSelect);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   545
 
<a name="l00535"></a>00535     sqlStr.Append(KBooksAuthorCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   546
 
<a name="l00536"></a>00536     sqlStr.Append(KDot);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   547
 
<a name="l00537"></a>00537     sqlStr.Append(KBooksTitleCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   548
 
<a name="l00538"></a>00538     sqlStr.Append(KDot);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   549
 
<a name="l00539"></a>00539     sqlStr.Append(KBooksDescriptionCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   550
 
<a name="l00540"></a>00540     sqlStr.Append(KFrom);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   551
 
<a name="l00541"></a>00541     sqlStr.Append(KBooksTable);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   552
 
<a name="l00542"></a>00542     sqlStr.Append(KWhere);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   553
 
<a name="l00543"></a>00543     sqlStr.Append(aColumnName);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   554
 
<a name="l00544"></a>00544     sqlStr.Append(KLike);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   555
 
<a name="l00545"></a>00545     sqlStr.Append(aSearchString);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   556
 
<a name="l00546"></a>00546     sqlStr.Append(KOrderBy);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   557
 
<a name="l00547"></a>00547     sqlStr.Append(KBooksTitleCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   558
 
<a name="l00548"></a>00548     sqlStr.Append(KDot);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   559
 
<a name="l00549"></a>00549     sqlStr.Append(KBooksAuthorCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   560
 
<a name="l00550"></a>00550
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   561
 
<a name="l00551"></a>00551     CDesCArrayFlat* resultArray =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   562
 
<a name="l00552"></a>00552         <span class="keyword">new</span> (ELeave)CDesC16ArrayFlat(KArrayGranularity);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   563
 
<a name="l00553"></a>00553     CleanupStack::PushL(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   564
 
<a name="l00554"></a>00554
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   565
 
<a name="l00555"></a>00555     <span class="comment">// Create a view on the database</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   566
 
<a name="l00556"></a>00556     RDbView view;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   567
 
<a name="l00557"></a>00557     User::LeaveIfError(
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   568
 
<a name="l00558"></a>00558         view.Prepare(iBookDb, TDbQuery(sqlStr), view.EReadOnly));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   569
 
<a name="l00559"></a>00559     User::LeaveIfError(view.EvaluateAll());
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   570
 
<a name="l00560"></a>00560
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   571
 
<a name="l00561"></a>00561     CDbColSet* colSet = view.ColSetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   572
 
<a name="l00562"></a>00562     CleanupStack::PushL(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   573
 
<a name="l00563"></a>00563
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   574
 
<a name="l00564"></a>00564     <span class="comment">// Append each result row to array</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   575
 
<a name="l00565"></a>00565     <span class="keywordflow">for</span> (view.FirstL(); view.AtRow(); view.NextL())
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   576
 
<a name="l00566"></a>00566         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   577
 
<a name="l00567"></a>00567
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   578
 
<a name="l00568"></a>00568         description.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   579
 
<a name="l00569"></a>00569         rowText.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   580
 
<a name="l00570"></a>00570
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   581
 
<a name="l00571"></a>00571         view.GetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   582
 
<a name="l00572"></a>00572
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   583
 
<a name="l00573"></a>00573         author.Set(view.ColDes(colSet-&gt;ColNo(KBooksAuthorCol)));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   584
 
<a name="l00574"></a>00574         title.Set(view.ColDes(colSet-&gt;ColNo(KBooksTitleCol)));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   585
 
<a name="l00575"></a>00575
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   586
 
<a name="l00576"></a>00576         TDbColNo descrColNo = colSet-&gt;ColNo(KBooksDescriptionCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   587
 
<a name="l00577"></a>00577         RDbColReadStream readStream;       <span class="comment">// A stream object for long columns</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   588
 
<a name="l00578"></a>00578         readStream.OpenLC(view, descrColNo);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   589
 
<a name="l00579"></a>00579         readStream.ReadL(description, view.ColLength(descrColNo));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   590
 
<a name="l00580"></a>00580         readStream.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   591
 
<a name="l00581"></a>00581         CleanupStack::Pop(); <span class="comment">//readStream</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   592
 
<a name="l00582"></a>00582
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   593
 
<a name="l00583"></a>00583         rowText.Append(author);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   594
 
<a name="l00584"></a>00584         rowText.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   595
 
<a name="l00585"></a>00585         rowText.Append(title);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   596
 
<a name="l00586"></a>00586         rowText.Append(KSeparator);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   597
 
<a name="l00587"></a>00587         rowText.Append(description);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   598
 
<a name="l00588"></a>00588
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   599
 
<a name="l00589"></a>00589         resultArray-&gt;AppendL(rowText);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   600
 
<a name="l00590"></a>00590         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   601
 
<a name="l00591"></a>00591     CleanupStack::PopAndDestroy(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   602
 
<a name="l00592"></a>00592     view.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   603
 
<a name="l00593"></a>00593     CleanupStack::Pop(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   604
 
<a name="l00594"></a>00594
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   605
 
<a name="l00595"></a>00595     <span class="keywordflow">return</span> resultArray;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   606
 
<a name="l00596"></a>00596
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   607
 
<a name="l00597"></a>00597     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   608
 
<a name="l00598"></a>00598
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   609
 
<a name="l00599"></a>00599 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   610
 
<a name="l00600"></a>00600 <span class="comment">// CBookDb::RemoveBooks()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   611
 
<a name="l00601"></a>00601 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   612
 
<a name="l00602"></a>00602 <span class="comment">// Delete a book using title pattern and RDbUpdate (DML)</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   613
 
<a name="l00603"></a>00603 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   614
 
<a name="l00604"></a><a class="code" href="class_c_book_db.html#ac4a202bf6ebb76155ef0dc65ece5a386">00604</a> TInt <a class="code" href="class_c_book_db.html#ac4a202bf6ebb76155ef0dc65ece5a386">CBookDb::RemoveBooks</a>(<span class="keyword">const</span> TDesC&amp; aTitle, TInt&amp; aResultCount)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   615
 
<a name="l00605"></a>00605     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   616
 
<a name="l00606"></a>00606     RDbUpdate updOp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   617
 
<a name="l00607"></a>00607
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   618
 
<a name="l00608"></a>00608         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDeleteFrom, <span class="stringliteral">&quot;DELETE FROM &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   619
 
<a name="l00609"></a>00609         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KWhere, <span class="stringliteral">&quot; WHERE &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   620
 
<a name="l00610"></a>00610         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KLike, <span class="stringliteral">&quot; LIKE &#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   621
 
<a name="l00611"></a>00611         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDot, <span class="stringliteral">&quot;&#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   622
 
<a name="l00612"></a>00612
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   623
 
<a name="l00613"></a>00613     <span class="comment">// Sql: DELETE FROM Books WHERE Title LIKE &#39;aTitle&#39;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   624
 
<a name="l00614"></a>00614     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   625
 
<a name="l00615"></a>00615     sqlStr.Append(KDeleteFrom);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   626
 
<a name="l00616"></a>00616     sqlStr.Append(KBooksTable);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   627
 
<a name="l00617"></a>00617     sqlStr.Append(KWhere);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   628
 
<a name="l00618"></a>00618     sqlStr.Append(KBooksTitleCol);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   629
 
<a name="l00619"></a>00619     sqlStr.Append(KLike);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   630
 
<a name="l00620"></a>00620     sqlStr.Append(aTitle);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   631
 
<a name="l00621"></a>00621     sqlStr.Append(KDot);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   632
 
<a name="l00622"></a>00622
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   633
 
<a name="l00623"></a>00623     <span class="comment">// Initialize execution and perform the first step.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   634
 
<a name="l00624"></a>00624     <span class="comment">// Note: Execute() returns 0 (=KErrNone), but it does not affect database</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   635
 
<a name="l00625"></a>00625     <span class="comment">//       until Next() is called.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   636
 
<a name="l00626"></a>00626     TInt incStat = updOp.Execute(iBookDb, sqlStr, EDbCompareFolded);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   637
 
<a name="l00627"></a>00627     incStat = updOp.Next(); <span class="comment">// This will leave, if Execute() failed.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   638
 
<a name="l00628"></a>00628
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   639
 
<a name="l00629"></a>00629     <span class="keywordflow">while</span>( incStat == 1 ) <span class="comment">// Just in case, if the operation has more steps</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   640
 
<a name="l00630"></a>00630         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   641
 
<a name="l00631"></a>00631         incStat = updOp.Next();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   642
 
<a name="l00632"></a>00632         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   643
 
<a name="l00633"></a>00633     aResultCount = updOp.RowCount();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   644
 
<a name="l00634"></a>00634     updOp.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   645
 
<a name="l00635"></a>00635     <span class="keywordflow">return</span> incStat; <span class="comment">// KErrNone or system wide error code</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   646
 
<a name="l00636"></a>00636     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   647
 
<a name="l00637"></a>00637
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   648
 
<a name="l00638"></a>00638 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   649
 
<a name="l00639"></a>00639 <span class="comment">// CBookDb::RemoveAllBooks()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   650
 
<a name="l00640"></a>00640 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   651
 
<a name="l00641"></a>00641 <span class="comment">// Delete books using asynchronous API. (RDbUpdate and DML)</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   652
 
<a name="l00642"></a>00642 <span class="comment">// This implementation is still synchronous, because it uses</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   653
 
<a name="l00643"></a>00643 <span class="comment">// User::WaitForRequest. Normally asynchronous functionality should be hidden</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   654
 
<a name="l00644"></a>00644 <span class="comment">// into active object and client callback interfaces.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   655
 
<a name="l00645"></a>00645 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   656
 
<a name="l00646"></a><a class="code" href="class_c_book_db.html#a96f6946ac8885c20f831300cbf0d55b0">00646</a> TInt <a class="code" href="class_c_book_db.html#a96f6946ac8885c20f831300cbf0d55b0">CBookDb::RemoveAllBooks</a>(TInt&amp; aResultCount)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   657
 
<a name="l00647"></a>00647     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   658
 
<a name="l00648"></a>00648     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDeleteFrom, <span class="stringliteral">&quot;DELETE FROM &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   659
 
<a name="l00649"></a>00649
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   660
 
<a name="l00650"></a>00650     <span class="comment">// Sql: DELETE FROM Books</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   661
 
<a name="l00651"></a>00651     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   662
 
<a name="l00652"></a>00652     sqlStr.Append(KDeleteFrom);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   663
 
<a name="l00653"></a>00653     sqlStr.Append(KBooksTable);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   664
 
<a name="l00654"></a>00654
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   665
 
<a name="l00655"></a>00655     RDbUpdate updOp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   666
 
<a name="l00656"></a>00656     TRequestStatus incStat(1);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   667
 
<a name="l00657"></a>00657     TInt updStat = updOp.Execute(iBookDb, sqlStr, EDbCompareFolded);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   668
 
<a name="l00658"></a>00658     <span class="keywordflow">while</span> (updStat==KErrNone &amp;&amp; incStat ==1)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   669
 
<a name="l00659"></a>00659         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   670
 
<a name="l00660"></a>00660         updOp.Next(incStat);           <span class="comment">// Start async operation. It returns</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   671
 
<a name="l00661"></a>00661                                        <span class="comment">// immediately.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   672
 
<a name="l00662"></a>00662         User::WaitForRequest(incStat); <span class="comment">// For simplicity wait completion here.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   673
 
<a name="l00663"></a>00663         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   674
 
<a name="l00664"></a>00664
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   675
 
<a name="l00665"></a>00665     aResultCount = updOp.RowCount();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   676
 
<a name="l00666"></a>00666     updOp.Close();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   677
 
<a name="l00667"></a>00667
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   678
 
<a name="l00668"></a>00668     <span class="keywordflow">if</span>(updStat!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   679
 
<a name="l00669"></a>00669         <span class="keywordflow">return</span> updStat;       <span class="comment">// System wide error code</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   680
 
<a name="l00670"></a>00670     <span class="keywordflow">else</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   681
 
<a name="l00671"></a>00671         <span class="keywordflow">return</span> incStat.Int(); <span class="comment">// KErrNone or system wide error code</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   682
 
<a name="l00672"></a>00672     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   683
 
<a name="l00673"></a>00673
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   684
 
<a name="l00674"></a>00674
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   685
 
<a name="l00675"></a>00675 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   686
 
<a name="l00676"></a>00676 <span class="comment">// CBookDb::UpdateBookTitle()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   687
 
<a name="l00677"></a>00677 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   688
 
<a name="l00678"></a>00678 <span class="comment">// Update book title using SQL UPDATE.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   689
 
<a name="l00679"></a>00679 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   690
 
<a name="l00680"></a>00680 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   691
 
<a name="l00681"></a><a class="code" href="class_c_book_db.html#a558090a1a44e419fd420f7113e80b310">00681</a> TInt <a class="code" href="class_c_book_db.html#a558090a1a44e419fd420f7113e80b310">CBookDb::UpdateBookTitle</a>(<span class="keyword">const</span> TDesC&amp; aOldTitleKey,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   692
 
<a name="l00682"></a>00682     <span class="keyword">const</span> TDesC&amp; aNewTitle)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   693
 
<a name="l00683"></a>00683     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   694
 
<a name="l00684"></a>00684     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSQLUpdateStart, <span class="stringliteral">&quot;UPDATE Books SET Title = &#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   695
 
<a name="l00685"></a>00685     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSQLUpdateMiddle, <span class="stringliteral">&quot;&#39; WHERE Title = &#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   696
 
<a name="l00686"></a>00686     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSQLUpdateEnd, <span class="stringliteral">&quot;&#39;&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   697
 
<a name="l00687"></a>00687
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   698
 
<a name="l00688"></a>00688     TBuf&lt;KCustomSqlMaxLength&gt; sqlStr;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   699
 
<a name="l00689"></a>00689     sqlStr.Append(KSQLUpdateStart);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   700
 
<a name="l00690"></a>00690     sqlStr.Append(aNewTitle);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   701
 
<a name="l00691"></a>00691     sqlStr.Append(KSQLUpdateMiddle);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   702
 
<a name="l00692"></a>00692     sqlStr.Append(aOldTitleKey);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   703
 
<a name="l00693"></a>00693     sqlStr.Append(KSQLUpdateEnd);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   704
 
<a name="l00694"></a>00694
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   705
 
<a name="l00695"></a>00695     <span class="keywordflow">return</span> iBookDb.Execute(sqlStr);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   706
 
<a name="l00696"></a>00696     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   707
 
<a name="l00697"></a>00697
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   708
 
<a name="l00698"></a>00698
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   709
 
<a name="l00699"></a>00699 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   710
 
<a name="l00700"></a>00700 <span class="comment">// CBookDb::ColumnNamesAndSizesL()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   711
 
<a name="l00701"></a>00701 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   712
 
<a name="l00702"></a>00702 <span class="comment">// Get array of column names and sizes of the Books table.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   713
 
<a name="l00703"></a>00703 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   714
 
<a name="l00704"></a><a class="code" href="class_c_book_db.html#a5f13ae296de4d79beed916a416e67530">00704</a> CDesCArrayFlat* <a class="code" href="class_c_book_db.html#a5f13ae296de4d79beed916a416e67530">CBookDb::ColumnNamesAndSizesL</a>()
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   715
 
<a name="l00705"></a>00705     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   716
 
<a name="l00706"></a>00706     RDbTable booksTable;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   717
 
<a name="l00707"></a>00707     TBuf&lt;32&gt; columnNameAndSize;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   718
 
<a name="l00708"></a>00708     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDelimiter, <span class="stringliteral">&quot;: &quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   719
 
<a name="l00709"></a>00709     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KNoSize,<span class="stringliteral">&quot;No size&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   720
 
<a name="l00710"></a>00710
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   721
 
<a name="l00711"></a>00711     <span class="comment">// Open the Books table.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   722
 
<a name="l00712"></a>00712     TInt err = booksTable.Open(iBookDb, KBooksTable, booksTable.EReadOnly);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   723
 
<a name="l00713"></a>00713     User::LeaveIfError(err);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   724
 
<a name="l00714"></a>00714
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   725
 
<a name="l00715"></a>00715     CleanupClosePushL(booksTable);  <span class="comment">// Remember to pop and close</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   726
 
<a name="l00716"></a>00716
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   727
 
<a name="l00717"></a>00717     CDesCArrayFlat* resultArray =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   728
 
<a name="l00718"></a>00718         <span class="keyword">new</span> (ELeave)CDesC16ArrayFlat(KArrayGranularity);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   729
 
<a name="l00719"></a>00719     CleanupStack::PushL(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   730
 
<a name="l00720"></a>00720
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   731
 
<a name="l00721"></a>00721     <span class="comment">// Iterate through the colums of Books table. Extract the column name and</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   732
 
<a name="l00722"></a>00722     <span class="comment">// column size (size only for text columns).´</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   733
 
<a name="l00723"></a>00723     <span class="comment">// Note: Description column is long text. Database limits its size</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   734
 
<a name="l00724"></a>00724     <span class="comment">//       only by hardware. If size is queried, it is -1</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   735
 
<a name="l00725"></a>00725     CDbColSet* colSet = booksTable.ColSetL();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   736
 
<a name="l00726"></a>00726     CleanupStack::PushL(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   737
 
<a name="l00727"></a>00727     TDbColSetIter colIter(*colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   738
 
<a name="l00728"></a>00728     <span class="keywordflow">while</span>(colIter)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   739
 
<a name="l00729"></a>00729         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   740
 
<a name="l00730"></a>00730         columnNameAndSize.Zero();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   741
 
<a name="l00731"></a>00731         columnNameAndSize.Append(colIter-&gt;iName);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   742
 
<a name="l00732"></a>00732         columnNameAndSize.Append(KDelimiter);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   743
 
<a name="l00733"></a>00733         <span class="keywordflow">if</span>(colIter-&gt;iType == EDbColText)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   744
 
<a name="l00734"></a>00734             columnNameAndSize.AppendNum(colIter-&gt;iMaxLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   745
 
<a name="l00735"></a>00735         <span class="keywordflow">else</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   746
 
<a name="l00736"></a>00736             columnNameAndSize.Append(KNoSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   747
 
<a name="l00737"></a>00737         resultArray-&gt;AppendL(columnNameAndSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   748
 
<a name="l00738"></a>00738         colIter++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   749
 
<a name="l00739"></a>00739         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   750
 
<a name="l00740"></a>00740     CleanupStack::PopAndDestroy(colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   751
 
<a name="l00741"></a>00741     CleanupStack::Pop(resultArray);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   752
 
<a name="l00742"></a>00742
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   753
 
<a name="l00743"></a>00743     <span class="comment">// Pop the booksTable from cleanup stack and close it.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   754
 
<a name="l00744"></a>00744     CleanupStack::PopAndDestroy();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   755
 
<a name="l00745"></a>00745
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   756
 
<a name="l00746"></a>00746     <span class="keywordflow">return</span> resultArray;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   757
 
<a name="l00747"></a>00747     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   758
 
<a name="l00748"></a>00748
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   759
 
<a name="l00749"></a>00749 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   760
 
<a name="l00750"></a>00750 <span class="comment">// CBookDb::HasDateColumnL()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   761
 
<a name="l00751"></a>00751 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   762
 
<a name="l00752"></a>00752 <span class="comment">// Tests wheter the Books table has date column</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   763
 
<a name="l00753"></a>00753 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   764
 
<a name="l00754"></a><a class="code" href="class_c_book_db.html#a60d34d3250835e8341808b33d09733bc">00754</a> TInt <a class="code" href="class_c_book_db.html#a60d34d3250835e8341808b33d09733bc">CBookDb::HasDateColumn</a>(TBool&amp; aReturnValue)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   765
 
<a name="l00755"></a>00755     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   766
 
<a name="l00756"></a>00756     RDbTable booksTable;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   767
 
<a name="l00757"></a>00757     aReturnValue = EFalse;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   768
 
<a name="l00758"></a>00758
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   769
 
<a name="l00759"></a>00759     <span class="comment">// Open the Books table.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   770
 
<a name="l00760"></a>00760     TInt err = booksTable.Open(iBookDb, KBooksTable, booksTable.EReadOnly);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   771
 
<a name="l00761"></a>00761     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   772
 
<a name="l00762"></a>00762     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   773
 
<a name="l00763"></a>00763         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   774
 
<a name="l00764"></a>00764     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   775
 
<a name="l00765"></a>00765
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   776
 
<a name="l00766"></a>00766     <span class="comment">// Iterate through the colums of Books table. Check whether there is</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   777
 
<a name="l00767"></a>00767     <span class="comment">// a &#39;PublishDate&#39; column</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   778
 
<a name="l00768"></a>00768     CDbColSet* colSet=NULL;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   779
 
<a name="l00769"></a>00769     TRAP(err, colSet = booksTable.ColSetL());
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   780
 
<a name="l00770"></a>00770     <span class="keywordflow">if</span>(err!=KErrNone)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   781
 
<a name="l00771"></a>00771     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   782
 
<a name="l00772"></a>00772         <span class="keywordflow">return</span> err;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   783
 
<a name="l00773"></a>00773     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   784
 
<a name="l00774"></a>00774
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   785
 
<a name="l00775"></a>00775     TDbColSetIter colIter(*colSet);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   786
 
<a name="l00776"></a>00776     <span class="keywordflow">while</span>(colIter)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   787
 
<a name="l00777"></a>00777         {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   788
 
<a name="l00778"></a>00778         <span class="keywordflow">if</span>( (colIter-&gt;iName).Compare(KBooksDateCol) == 0) <span class="comment">// 0 = equal</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   789
 
<a name="l00779"></a>00779             {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   790
 
<a name="l00780"></a>00780             aReturnValue = ETrue;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   791
 
<a name="l00781"></a>00781             <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   792
 
<a name="l00782"></a>00782             }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   793
 
<a name="l00783"></a>00783         colIter++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   794
 
<a name="l00784"></a>00784         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   795
 
<a name="l00785"></a>00785
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   796
 
<a name="l00786"></a>00786     <span class="keywordflow">return</span> KErrNone;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   797
 
<a name="l00787"></a>00787     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   798
 
<a name="l00788"></a>00788
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   799
 
<a name="l00789"></a>00789 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   800
 
<a name="l00790"></a>00790 <span class="comment">// CBookDb::AddDateColumn()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   801
 
<a name="l00791"></a>00791 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   802
 
<a name="l00792"></a>00792 <span class="comment">// Adds date column to Books table (DDL).</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   803
 
<a name="l00793"></a>00793 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   804
 
<a name="l00794"></a><a class="code" href="class_c_book_db.html#a72ca4025b97842c2e743b93cbf2b013a">00794</a> TInt <a class="code" href="class_c_book_db.html#a72ca4025b97842c2e743b93cbf2b013a">CBookDb::AddDateColumn</a>()
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   805
 
<a name="l00795"></a>00795     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   806
 
<a name="l00796"></a>00796     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSqlAddDate, <span class="stringliteral">&quot;ALTER TABLE Books ADD PublishDate DATE&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   807
 
<a name="l00797"></a>00797     <span class="keywordflow">return</span> iBookDb.Execute(KSqlAddDate);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   808
 
<a name="l00798"></a>00798     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   809
 
<a name="l00799"></a>00799
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   810
 
<a name="l00800"></a>00800 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   811
 
<a name="l00801"></a>00801 <span class="comment">// CBookDb::RemoveDateColumn()</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   812
 
<a name="l00802"></a>00802 <span class="comment">//</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   813
 
<a name="l00803"></a>00803 <span class="comment">// Removes date column from Books table (DDL).</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   814
 
<a name="l00804"></a>00804 <span class="comment">// ---------------------------------------------------------------------------</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   815
 
<a name="l00805"></a><a class="code" href="class_c_book_db.html#a470d106d843cea950d8c5bb8ccfeb122">00805</a> TInt <a class="code" href="class_c_book_db.html#a470d106d843cea950d8c5bb8ccfeb122">CBookDb::RemoveDateColumn</a>()
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   816
 
<a name="l00806"></a>00806     {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   817
 
<a name="l00807"></a>00807     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSqlRemoveDate, <span class="stringliteral">&quot;ALTER TABLE Books DROP PublishDate&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   818
 
<a name="l00808"></a>00808     <span class="keywordflow">return</span> iBookDb.Execute(KSqlRemoveDate);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   819
 
<a name="l00809"></a>00809     }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   820
 
<a name="l00810"></a>00810
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   821
 
</pre></div></div>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   822
 
<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   823
 
<a href="http://www.doxygen.org/index.html">
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   824
 
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   825
 
</body>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   826
 
</html>
MCL/sftools/depl/docscontent