author | hgs |
Tue, 06 Jul 2010 11:54:49 +0100 | |
changeset 31 | ba1c4f4a893f |
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// Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#include "SqlAssert.h" //ESqlPanicInvalidObj, ESqlPanicObjExists |
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#include "SqlDatabaseImpl.h" //CSqlDatabaseImpl |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "SqlScalarFullSelectTraces.h" |
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#endif |
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#include "SqlTraceDef.h" |
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/** |
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Returns a reference to the implementation object of RSqlDatabase - CSqlDatabaseImpl. |
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@panic SqlDb 2 Create() or Open() has not previously been called on this RSqlDatabase object. |
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@internalComponent |
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*/ |
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inline CSqlDatabaseImpl& TSqlScalarFullSelectQuery::Impl() const |
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{ |
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__ASSERT_ALWAYS(iDatabaseImpl != NULL, __SQLPANIC(ESqlPanicInvalidObj)); |
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return *iDatabaseImpl; |
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} |
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/** |
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Initializes TSqlScalarFullSelectQuery data members with default values. |
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*/ |
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EXPORT_C TSqlScalarFullSelectQuery::TSqlScalarFullSelectQuery() : |
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iDatabaseImpl(NULL) |
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{ |
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} |
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/** |
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Initializes TSqlScalarFullSelectQuery object. |
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@param aDatabase A reference to the RSqlDatabase object that represents |
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the database on which scalar fullselect queries will be executed. |
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*/ |
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EXPORT_C TSqlScalarFullSelectQuery::TSqlScalarFullSelectQuery(RSqlDatabase& aDatabase) : |
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iDatabaseImpl(&aDatabase.Impl()) |
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{ |
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SQL_TRACE_BORDER(OstTraceExt3(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_TSQLSCALARFULLSELECTQUERY, "0x%X;TSqlScalarFullSelectQuery::TSqlScalarFullSelectQuery;aDatabase=0x%X;iDatabaseImpl=0x%X", (TUint)this, (TUint)&aDatabase, (TUint)iDatabaseImpl)); |
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} |
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/** |
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Initializes/reinitializes TSqlScalarFullSelectQuery object. |
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@param aDatabase A reference to the RSqlDatabase object that represents |
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the database on which scalar fullselect queries will be executed. |
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*/ |
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EXPORT_C void TSqlScalarFullSelectQuery::SetDatabase(RSqlDatabase& aDatabase) |
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{ |
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iDatabaseImpl = &aDatabase.Impl(); |
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SQL_TRACE_BORDER(OstTraceExt3(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SETDATABASE, "0x%X;TSqlScalarFullSelectQuery::SetDatabase;aDatabase=0x%X;iDatabaseImpl=0x%X", (TUint)this, (TUint)&aDatabase, (TUint)iDatabaseImpl)); |
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} |
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/** |
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Executes a SELECT query which is expected to return a single row consisting of |
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a single 32-bit integer value and returns that value. |
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@param aSqlStmt 16-bit SELECT sql query |
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@return 32-bit integer column value. |
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@leave KErrNotFound, If there is no record, |
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The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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*/ |
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EXPORT_C TInt TSqlScalarFullSelectQuery::SelectIntL(const TDesC& aSqlStmt) |
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{ |
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SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINTL_ENTRY16, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectIntL-16;aSqlStmt=%S", (TUint)this, __SQLPRNSTR(aSqlStmt))); |
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TInt res; |
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TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlInt, ptr); |
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SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINTL_EXIT16, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectIntL-16;res=%d", (TUint)this, res)); |
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return res; |
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} |
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/** |
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Executes a SELECT query which is expected to return a single row consisting of |
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a single 64-bit integer value and returns that value. |
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@param aSqlStmt 16-bit SELECT sql query |
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@return 64-bit integer column value. |
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@leave KErrNotFound, If there is no record, |
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The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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*/ |
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EXPORT_C TInt64 TSqlScalarFullSelectQuery::SelectInt64L(const TDesC& aSqlStmt) |
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{ |
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SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINT64L_ENTRY16, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectInt64L-16;aSqlStmt=%S", (TUint)this, __SQLPRNSTR(aSqlStmt))); |
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TInt64 res; |
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TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlInt64, ptr); |
31 | 109 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINT64L_EXIT16, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectInt64L-16;res=%lld", (TUint)this, res)); |
0
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110 |
return res; |
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} |
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112 |
|
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/** |
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114 |
Executes a SELECT query which is expected to return a single row consisting of |
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115 |
a single real value and returns that value. |
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116 |
|
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@param aSqlStmt 16-bit SELECT sql query |
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118 |
|
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@return Real column value. |
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120 |
|
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@leave KErrNotFound, If there is no record, |
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The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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*/ |
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EXPORT_C TReal TSqlScalarFullSelectQuery::SelectRealL(const TDesC& aSqlStmt) |
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126 |
{ |
31 | 127 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTREALL_ENTRY16, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectRealL-16;aSqlStmt=%S", (TUint)this, __SQLPRNSTR(aSqlStmt))); |
0
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TReal res; |
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TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlReal, ptr); |
31 | 131 |
SQL_TRACE_BORDER(OstTrace1(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTREALL_EXIT16, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectRealL-16", (TUint)this)); |
0
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return res; |
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} |
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134 |
|
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/** |
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136 |
Executes a SELECT query which is expected to return a single row consisting of |
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a single text value and copies that value to the place refered by aDest parameter. |
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138 |
|
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If the destination buffer is not big enough, the function will copy as much data as |
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possible and will return positive value - the character length of the text column. |
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141 |
|
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@param aSqlStmt 16-bit SELECT sql query |
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@param aDest Refers to the place where the column data will be copied |
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144 |
|
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@return KErrNone, if the function completes successfully, |
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Positive value, The text column value length in characters, in case if the receiving buffer |
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is not big enough. |
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148 |
|
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@leave KErrNotFound, If there is no record, |
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150 |
The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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152 |
*/ |
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153 |
EXPORT_C TInt TSqlScalarFullSelectQuery::SelectTextL(const TDesC& aSqlStmt, TDes& aDest) |
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154 |
{ |
31 | 155 |
SQL_TRACE_BORDER(OstTraceExt5(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTTEXTL_ENTRY16, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectTextL-16;aSqlStmt=%S;aDest.Ptr()=0x%X;aDest.Size()=%d;aDest.MaxSize()=%d", (TUint)this, __SQLPRNSTR(aSqlStmt), (TUint)aDest.Ptr(), aDest.Size(), aDest.MaxSize())); |
0
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156 |
TPtr8 ptr(reinterpret_cast <TUint8*> (const_cast <TUint16*> (aDest.Ptr())), aDest.MaxLength() * sizeof(TUint16)); |
31 | 157 |
TInt rc = Impl().ExecScalarFullSelectL(aSqlStmt, ESqlText, ptr); |
0
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|
158 |
aDest.SetLength(ptr.Length() / sizeof(TUint16)); |
31 | 159 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTTEXTL_EXIT16, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectTextL-16;rc=%d", (TUint)this, rc)); |
160 |
return rc; |
|
0
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161 |
} |
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|
162 |
|
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163 |
/** |
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164 |
Executes a SELECT query which is expected to return a single row consisting of |
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|
165 |
a single binary value and copies that value to the place refered by aDest parameter. |
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|
166 |
|
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|
167 |
If the destination buffer is not big enough, the function will copy as much data as |
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|
168 |
possible and will return positive value - the byte length of the binary column. |
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|
169 |
|
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|
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@param aSqlStmt 16-bit SELECT sql query |
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|
171 |
@param aDest Refers to the place where the column data will be copied |
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|
172 |
|
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|
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@return KErrNone, if the function completes successfully, |
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|
174 |
Positive value, The binary column value length in bytes, in case if the receiving buffer |
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|
175 |
is not big enough. |
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|
176 |
|
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|
177 |
@leave KErrNotFound, If there is no record, |
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|
178 |
The function may leave with database specific errors categorised as ESqlDbError and |
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|
179 |
other system-wide error codes. |
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|
180 |
*/ |
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|
181 |
EXPORT_C TInt TSqlScalarFullSelectQuery::SelectBinaryL(const TDesC& aSqlStmt, TDes8& aDest) |
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|
182 |
{ |
31 | 183 |
SQL_TRACE_BORDER(OstTraceExt5(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTBINARYL_ENTRY16, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectBinaryL-16;aSqlStmt=%S;aDest.Ptr()=0x%X;aDest.Size()=%d;aDest.MaxSize()=%d", (TUint)this, __SQLPRNSTR(aSqlStmt), (TUint)aDest.Ptr(), aDest.Size(), aDest.MaxSize())); |
184 |
TInt rc = Impl().ExecScalarFullSelectL(aSqlStmt, ESqlBinary, aDest); |
|
185 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTBINARYL_EXIT16, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectBinaryL-16;rc=%d", (TUint)this, rc)); |
|
186 |
return rc; |
|
0
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187 |
} |
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|
188 |
|
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|
189 |
/** |
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|
190 |
Executes a SELECT query which is expected to return a single row consisting of |
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|
191 |
a single 32-bit integer value and returns that value. |
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|
192 |
|
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|
193 |
@param aSqlStmt 8-bit SELECT sql query |
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|
194 |
|
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|
195 |
@return 32-bit integer column value. |
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|
196 |
|
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|
197 |
@leave KErrNotFound, If there is no record, |
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|
198 |
The function may leave with database specific errors categorised as ESqlDbError and |
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|
199 |
other system-wide error codes. |
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|
200 |
*/ |
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|
201 |
EXPORT_C TInt TSqlScalarFullSelectQuery::SelectIntL(const TDesC8& aSqlStmt) |
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|
202 |
{ |
31 | 203 |
__SQLTRACE_BORDERVAR(TBuf<100> des16prnbuf); |
204 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINTL_ENTRY8, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectIntL-8;aSqlStmt=%s", (TUint)this, __SQLPRNSTR8(aSqlStmt, des16prnbuf))); |
|
0
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|
205 |
TInt res; |
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|
206 |
TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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|
207 |
(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlInt, ptr); |
31 | 208 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINTL_EXIT8, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectIntL-8;res=%d", (TUint)this, res)); |
0
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|
209 |
return res; |
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|
210 |
} |
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|
211 |
|
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|
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/** |
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Executes a SELECT query which is expected to return a single row consisting of |
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a single 64-bit integer value and returns that value. |
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215 |
|
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@param aSqlStmt 8-bit SELECT sql query |
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|
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@return 64-bit integer column value. |
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|
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@leave KErrNotFound, If there is no record, |
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The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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*/ |
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EXPORT_C TInt64 TSqlScalarFullSelectQuery::SelectInt64L(const TDesC8& aSqlStmt) |
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{ |
31 | 226 |
__SQLTRACE_BORDERVAR(TBuf<100> des16prnbuf); |
227 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINT64L_ENTRY8, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectInt64L-8;aSqlStmt=%s", (TUint)this, __SQLPRNSTR8(aSqlStmt, des16prnbuf))); |
|
0
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TInt64 res; |
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TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlInt64, ptr); |
31 | 231 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTINT64L_EXIT8, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectInt64L-8;res=%lld", (TUint)this, res)); |
0
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return res; |
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} |
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|
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/** |
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Executes a SELECT query which is expected to return a single row consisting of |
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a single real value and returns that value. |
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|
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@param aSqlStmt 8-bit SELECT sql query |
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|
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@return Real column value. |
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|
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@leave KErrNotFound, If there is no record, |
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The function may leave with database specific errors categorised as ESqlDbError and |
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other system-wide error codes. |
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*/ |
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EXPORT_C TReal TSqlScalarFullSelectQuery::SelectRealL(const TDesC8& aSqlStmt) |
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{ |
31 | 249 |
__SQLTRACE_BORDERVAR(TBuf<100> des16prnbuf); |
250 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTREALL_ENTRY8, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectRealL-8;aSqlStmt=%s", (TUint)this, __SQLPRNSTR8(aSqlStmt, des16prnbuf))); |
|
0
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TReal res; |
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TPtr8 ptr(reinterpret_cast <TUint8*> (&res), sizeof(res)); |
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(void)Impl().ExecScalarFullSelectL(aSqlStmt, ESqlReal, ptr); |
31 | 254 |
SQL_TRACE_BORDER(OstTrace1(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTREALL_EXIT8, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectRealL-8", (TUint)this)); |
0
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return res; |
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} |
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257 |
|
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/** |
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|
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Executes a SELECT query which is expected to return a single row consisting of |
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|
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a single text value and copies that value to the place refered by aDest parameter. |
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|
261 |
|
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|
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If the destination buffer is not big enough, the function will copy as much data as |
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|
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possible and will return positive value - the character length of the text column. |
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|
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|
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@param aSqlStmt 8-bit SELECT sql query |
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@param aDest Refers to the place where the column data will be copied |
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|
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@return KErrNone, if the function completes successfully, |
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|
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Positive value, The text column value length in characters, in case if the receiving buffer |
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|
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is not big enough. |
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|
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|
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@leave KErrNotFound, If there is no record, |
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|
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The function may leave with database specific errors categorised as ESqlDbError and |
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|
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other system-wide error codes. |
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|
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*/ |
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|
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EXPORT_C TInt TSqlScalarFullSelectQuery::SelectTextL(const TDesC8& aSqlStmt, TDes& aDest) |
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|
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{ |
31 | 278 |
__SQLTRACE_BORDERVAR(TBuf<100> des16prnbuf); |
279 |
SQL_TRACE_BORDER(OstTraceExt5(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTTEXTL_ENTRY8, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectTextL-8;aSqlStmt=%s;aDest.Ptr()=0x%X;aDest.Size()=%d;aDest.MaxSize()=%d", (TUint)this, __SQLPRNSTR8(aSqlStmt, des16prnbuf), (TUint)aDest.Ptr(), aDest.Size(), aDest.MaxSize())); |
|
0
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TPtr8 ptr(reinterpret_cast <TUint8*> (const_cast <TUint16*> (aDest.Ptr())), aDest.MaxLength() * sizeof(TUint16)); |
31 | 281 |
TInt rc = Impl().ExecScalarFullSelectL(aSqlStmt, ESqlText, ptr); |
0
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aDest.SetLength(ptr.Length() / sizeof(TUint16)); |
31 | 283 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTTEXTL_EXIT8, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectTextL-8;rc=%d", (TUint)this, rc)); |
284 |
return rc; |
|
0
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|
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} |
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|
286 |
|
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|
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/** |
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|
288 |
Executes a SELECT query which is expected to return a single row consisting of |
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|
289 |
a single binary value and copies that value to the place refered by aDest parameter. |
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|
290 |
|
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|
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If the destination buffer is not big enough, the function will copy as much data as |
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|
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possible and will return positive value - the character length of the text column. |
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|
293 |
|
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|
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@param aSqlStmt 8-bit SELECT sql query |
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@param aDest Refers to the place where the column data will be copied |
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|
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|
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|
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@return KErrNone, if the function completes successfully, |
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|
298 |
Positive value, The binary column value length in bytes, in case if the receiving buffer |
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|
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is not big enough. |
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|
300 |
|
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|
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@leave KErrNotFound, If there is no record, |
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|
302 |
The function may leave with database specific errors categorised as ESqlDbError and |
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Revision: 201003
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|
303 |
other system-wide error codes. |
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|
304 |
*/ |
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|
305 |
EXPORT_C TInt TSqlScalarFullSelectQuery::SelectBinaryL(const TDesC8& aSqlStmt, TDes8& aDest) |
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|
306 |
{ |
31 | 307 |
__SQLTRACE_BORDERVAR(TBuf<100> des16prnbuf); |
308 |
SQL_TRACE_BORDER(OstTraceExt5(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTBINARYL_ENTRY8, "Entry;0x%X;TSqlScalarFullSelectQuery::SelectBinaryL-8;aSqlStmt=%s;aDest.Ptr()=0x%X;aDest.Size()=%d;aDest.MaxSize()=%d", (TUint)this, __SQLPRNSTR8(aSqlStmt, des16prnbuf), (TUint)aDest.Ptr(), aDest.Size(), aDest.MaxSize())); |
|
309 |
TInt rc = Impl().ExecScalarFullSelectL(aSqlStmt, ESqlBinary, aDest); |
|
310 |
SQL_TRACE_BORDER(OstTraceExt2(TRACE_BORDER, TSQLSCALARFULLSELECTQUERY_SELECTBINARYL_EXIT8, "Exit;0x%X;TSqlScalarFullSelectQuery::SelectBinaryL-8;rc=%d", (TUint)this, rc)); |
|
311 |
return rc; |
|
0
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|
312 |
} |