inc/mdssqlrow.inl
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 19 Aug 2010 10:20:41 +0300
branchRCL_3
changeset 47 b73252188534
parent 0 c53acadfccc6
permissions -rw-r--r--
Revision: 201031 Kit: 201033
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/*
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* Copyright (c) 2002-2009 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:  Abstract SQL connection class*
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*/
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// -----------------------------------
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// TColumn
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// -----------------------------------
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inline TColumn::TColumn( TColumnDataType aType ) :
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	iType( aType )
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    {
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    iData.iInt32 = 0;
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    }
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inline TColumnDataType TColumn::Type() const
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    {
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    // the HBuf types are internal and hidden.
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    switch ( iType )
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	    {
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	    case EColumnHBuf8:
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	    	return EColumnDes8;
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	    case EColumnHBuf16:
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	    	return EColumnDes16;
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		case EColumnNullDes8:
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			return EColumnDes8;
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		case EColumnNullDes16:
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			return EColumnDes16;
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		default:
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			return iType;
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	    }
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    }
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inline void TColumn::Free()
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    {
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    if ( iType == EColumnHBuf8 )
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        {
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        delete (HBufC8*)iData.iText.iPtr;
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        iData.iText.iPtr = 0;
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        }
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    else if ( iType == EColumnHBuf16 )
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        {
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        delete (HBufC16*)iData.iText.iPtr;
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        iData.iText.iPtr = 0;
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        }
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    }
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inline void TColumn::Set( TInt32 aVal ) 
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    {
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    iType = EColumnInt32;
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    iData.iInt32 = aVal;
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    }
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inline void TColumn::Set( TUint32 aVal ) 
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    {
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    iType = EColumnUint32;
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    iData.iUint32 = aVal;
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    }
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inline void TColumn::Set( TBool aVal )
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    {
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    iType = EColumnBool;
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    iData.iInt32 = aVal;
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    }
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inline void TColumn::Set( TInt64 aVal )
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    {
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    iType = EColumnInt64;
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    iData.iInt64 = aVal;
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    }
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inline void TColumn::Set( TReal32 aVal ) 
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    {
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    iType = EColumnReal32;
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    iData.iReal32 = aVal;
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    }
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inline void TColumn::Set( TReal64 aVal ) 
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    {
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    iType = EColumnReal64;
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    iData.iReal64 = aVal;
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    }
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inline void TColumn::Set( TTime aVal )
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    {
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    iType = EColumnTime;
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    iData.iInt64 = aVal.Int64();
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    }
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inline void TColumn::Set( const TDesC8& aVal )
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    {
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    iType = EColumnDes8;
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    iData.iText.iPtr = (TAny*)aVal.Ptr();
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    iData.iText.iLen = aVal.Length();
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    }
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inline void TColumn::Set( const TDesC16& aVal )
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    {
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    iType = EColumnDes16;
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    iData.iText.iPtr = (TAny*)aVal.Ptr();
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    iData.iText.iLen = aVal.Length();
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    }
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inline void TColumn::Set( const HBufC8* aVal )
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    {
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   117
    iType = ( aVal ? EColumnHBuf8 : EColumnNullDes8 );
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   118
    iData.iText.iPtr = (TAny*)aVal;
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   119
    }
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parents:
diff changeset
   120
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   121
inline void TColumn::Set( const HBufC16* aVal )
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   122
    {
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   123
    iType = ( aVal ? EColumnHBuf16 : EColumnNullDes16 );
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   124
    iData.iText.iPtr = (TAny*)aVal;
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   125
    }
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parents:
diff changeset
   126
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   127
inline void TColumn::NotUsed()
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   128
    {
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   129
    iType = EColumnNotUsed;
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   130
    iData.iText.iPtr = 0;
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   131
    }
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   132
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parents:
diff changeset
   133
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   134
inline void TColumn::Get( TInt32& aValue ) const
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   135
    {
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   136
    if( EColumnNullDes16 == iType )
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   137
    	{
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   138
    	aValue = 0;
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   139
    	return;
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   140
    	}
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   141
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   142
    __ASSERT_DEBUG( iType == EColumnInt32, MMdCCommon::Panic( EDatabaseFault ) );
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   143
    aValue = iData.iInt32;
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   144
    }
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   145
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   146
inline void TColumn::Get( TUint32& aValue ) const
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   147
    {
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   148
    if( EColumnNullDes16 == iType )
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   149
    	{
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   150
    	aValue = 0;
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   151
    	return;
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   152
    	}
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   153
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   154
	__ASSERT_DEBUG( iType == EColumnUint32, MMdCCommon::Panic( EDatabaseFault ) );
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   155
    aValue = iData.iUint32;
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   156
    }
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   157
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   158
inline void TColumn::Get( TBool& aValue ) const 
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   159
    {
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   160
    if( EColumnNullDes16 == iType )
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parents:
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   161
    	{
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   162
    	aValue = EFalse;
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   163
    	return;
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   164
    	}
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   165
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   166
	__ASSERT_DEBUG( iType == EColumnBool, MMdCCommon::Panic( EDatabaseFault ) );
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   167
    aValue = iData.iInt32;
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   168
    }
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   169
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   170
inline void TColumn::Get( TInt64& aValue ) const
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   171
    {
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   172
    if( EColumnNullDes16 == iType )
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   173
    	{
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   174
    	aValue = 0;
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   175
    	return;
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   176
    	}
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   177
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   178
	__ASSERT_DEBUG( iType == EColumnInt64, MMdCCommon::Panic( EDatabaseFault ) );
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   179
    aValue = iData.iInt64;
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   180
    }
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   181
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   182
inline void TColumn::Get( TReal32& aValue ) const
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   183
    {
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   184
    if( EColumnNullDes16 == iType )
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diff changeset
   185
    	{
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   186
    	aValue = 0.0f;
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   187
    	return;
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   188
    	}
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parents:
diff changeset
   189
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   190
	__ASSERT_DEBUG( iType == EColumnReal32, MMdCCommon::Panic( EDatabaseFault ) );
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   191
    aValue = iData.iReal32;
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   192
    }
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parents:
diff changeset
   193
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   194
inline void TColumn::Get( TReal64& aValue ) const
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   195
    {
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   196
    if( EColumnNullDes16 == iType )
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parents:
diff changeset
   197
    	{
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   198
    	aValue = 0.0f;
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   199
    	return;
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   200
    	}
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parents:
diff changeset
   201
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   202
	__ASSERT_DEBUG( iType == EColumnReal64, MMdCCommon::Panic( EDatabaseFault ) );
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parents:
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   203
    aValue = iData.iReal64;
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parents:
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   204
    }
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parents:
diff changeset
   205
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   206
inline void TColumn::Get( TTime& aValue ) const
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parents:
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   207
    {
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parents:
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   208
    if( EColumnNullDes16 == iType )
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parents:
diff changeset
   209
    	{
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   210
    	aValue = TTime( 0 );
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parents:
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   211
    	return;
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parents:
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   212
    	}
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parents:
diff changeset
   213
    
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parents:
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   214
	__ASSERT_DEBUG( iType == EColumnTime, MMdCCommon::Panic( EDatabaseFault ) );
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parents:
diff changeset
   215
    aValue = TTime(iData.iInt64);
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parents:
diff changeset
   216
    }
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   217
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diff changeset
   218
inline void TColumn::Get( TPtrC8& aValue ) const
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parents:
diff changeset
   219
    {
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parents:
diff changeset
   220
    if ( iType == EColumnDes8 )
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parents:
diff changeset
   221
        {
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parents:
diff changeset
   222
        aValue.Set(
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parents:
diff changeset
   223
            (TUint8*)iData.iText.iPtr,
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parents:
diff changeset
   224
            iData.iText.iLen );
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parents:
diff changeset
   225
        }
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parents:
diff changeset
   226
    else if ( iType == EColumnHBuf8 )
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parents:
diff changeset
   227
        {
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parents:
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   228
        aValue.Set(
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parents:
diff changeset
   229
            ((HBufC8*)iData.iText.iPtr)->Des() );
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parents:
diff changeset
   230
        }
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parents:
diff changeset
   231
    else if ( iType == EColumnNullDes8 ||
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   232
        iType == EColumnNullDes16 )
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        {
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        aValue.Set( KNullDesC8().Ptr(), 0 );
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        }
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    else MMdCCommon::Panic( EDatabaseFault );
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    }
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inline void TColumn::Get( TPtrC16& aValue ) const
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    {
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    if ( iType == EColumnDes16 )
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        {
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        aValue.Set(
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            (TUint16*)iData.iText.iPtr,
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            iData.iText.iLen );
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        }
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    else if ( iType == EColumnHBuf16 )
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        {
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        aValue.Set(
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            ((HBufC16*)iData.iText.iPtr)->Des() );
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        }
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    else if ( iType == EColumnNullDes16 )
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        {
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        aValue.Set( KNullDesC16().Ptr(), 0 );
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        }
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    else MMdCCommon::Panic( EDatabaseFault );
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    }
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inline TBool TColumn::IsNull()
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    {
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    return ( iType == EColumnNullDes8 ||
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        iType == EColumnNullDes16  ||
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        ( iData.iText.iPtr == NULL &&
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          ( iType == EColumnDes8 || iType == EColumnDes16 ||
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            iType == EColumnHBuf8 || iType == EColumnHBuf16 ) ) );
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    }
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// -----------------------------------
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// RRowData
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// -----------------------------------
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inline RRowData::RRowData()
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    : iColumns( 16 )
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    {
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    }
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inline void RRowData::Close()
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    {
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    Free();
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    iColumns.Close();
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    }
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inline void RRowData::Free()
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    {
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    const TInt count( Size() );
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    for ( TInt i=0; i<count; ++i )
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        {
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        iColumns[i].Free();
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        }
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    }
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inline TInt RRowData::Size() const
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    {
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    return iColumns.Count();
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    }
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inline TColumn& RRowData::Column( TInt aIndex )
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    {
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    return iColumns[aIndex];
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    }
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inline const TColumn& RRowData::Column( TInt aIndex ) const
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    {
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    return iColumns[aIndex];
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    }
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inline TColumn& RRowData::AppendL( const TColumn& aColumn )
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    {
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    iColumns.AppendL( aColumn );
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    return iColumns[ Size()-1 ];
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    }
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inline void RRowData::Reset()
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    {
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    iColumns.Reset();
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    }
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inline void RRowData::AppendColumnTypesL( RRowData& aColumnTypeRow )
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	{
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	Free();
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	Reset();
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   323
	
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	const TInt columnCount = aColumnTypeRow.Size();
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	ReserveL( columnCount );
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   326
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	for( TInt i = 0; i < columnCount; i++ )
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		{
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	    iColumns.Append( aColumnTypeRow.Column( i ).Type() ); 
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		}
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	}
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   332
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inline void RRowData::ReserveL( TInt aColumnCount )
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	{
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	iColumns.ReserveL( aColumnCount );
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   336
	}