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114 lines
4.2 KiB
114 lines
4.2 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================
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#ifndef SQLUTIL_H
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#define SQLUTIL_H
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#ifdef _WIN32
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#pragma once
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#endif
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namespace GCSDK
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{
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typedef CFmtStrN< 4096 > TSQLCmdStr;
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// Returns a long (1024 char) string of "?,?,?,?,?"... for use in IN clauses or INSERT statements
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const char *GetInsertArgString();
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// Returns the number of characters that should be used for the specified number of parameters
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uint32 GetInsertArgStringChars( uint32 nNumParams );
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// Returns the maximum number of parameters that are supported by the GetInsertArgString string
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uint32 GetInsertArgStringMaxParams();
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void ConvertFieldToText( EGCSQLType eFieldType, uint8 *pubRecord, int cubRecord, char *rgchField, int cchField, bool bQuoteString = true );
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void ConvertFieldArrayToInText( const CColumnInfo &columnInfo, byte *pubData, int cubData, char *rgchResult, bool bForPreparedStatement );
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char *SQLTypeFromField( const CColumnInfo &colInfo, char *pchBuf, int cchBuf );
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void EscapeStringValue( char *rgchField, int cchField );
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void AppendConstraints( const CRecordInfo *pRecordInfo, const CColumnInfo *pColumnInfo, bool bForAdd, CFmtStrMax & sCmd );
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void AppendTableConstraints( CRecordInfo *pRecordInfo, CFmtStrMax & sCmd );
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void AppendConstraint( const char *pchTableName, const char *pchColumnName, int nColFlagConstraint, bool bForAdd, bool bClustered,
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CFmtStrMax & sCmd, int nFillFactor );
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void BuildTablePKConstraintText( TSQLCmdStr *psStatement, CRecordInfo *pRecordInfo );
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//void BuildSelectStatementText( CUtlVector<CQuery> *pVecQuery, bool bForPreparedStatement, char *pchStatement, int cchStatement );
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void BuildInsertStatementText( TSQLCmdStr *psStatement, const CRecordInfo *pRecordInfo );
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void BuildInsertAndReadStatementText( TSQLCmdStr *psStatement, CUtlVector<int> *pvecOutputFields, const CRecordInfo *pRecordInfo ) ;
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void BuildMergeStatementTextOnPKWhenMatchedUpdateWhenNotMatchedInsert( TSQLCmdStr *psStatement, const CRecordInfo *pRecordInfo );
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void BuildMergeStatementTextOnPKWhenNotMatchedInsert( TSQLCmdStr *psStatement, const CRecordInfo *pRecordInfo );
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void BuildSelectStatementText( TSQLCmdStr *psStatement, const CColumnSet & selectSet, const char *pchTopClause = NULL );
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void BuildUpdateStatementText( TSQLCmdStr *psStatement, const CColumnSet & columnSet );
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void BuildDeleteStatementText( TSQLCmdStr *psStatement, const CRecordInfo* pRecordInfo );
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void AppendWhereClauseText( TSQLCmdStr *psClause, const CColumnSet & columnSet );
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void BuildOutputClauseText( TSQLCmdStr *psClause, const CColumnSet & columnSet );
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template< typename T >
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bool CopyResultToSchVector( IGCSQLResultSet *pResultSet, const CColumnSet & readSet, CUtlVector< T > *pvecRecords )
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{
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if ( pResultSet->GetRowCount() == 0 )
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return true;
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FOR_EACH_COLUMN_IN_SET( readSet, nColumnIndex )
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{
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EGCSQLType eRecordType = readSet.GetColumnInfo( nColumnIndex ).GetType();
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EGCSQLType eResultType = pResultSet->GetColumnType( nColumnIndex );
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Assert( eResultType == eRecordType );
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if( eRecordType != eResultType )
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return false;
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}
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for( CSQLRecord sqlRecord( 0, pResultSet ); sqlRecord.IsValid(); sqlRecord.NextRow() )
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{
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int nRecord = pvecRecords->AddToTail();
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FOR_EACH_COLUMN_IN_SET( readSet, nColumnIndex )
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{
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uint8 *pubData;
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uint32 cubData;
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DbgVerify( sqlRecord.BGetColumnData( nColumnIndex, &pubData, (int*)&cubData ) );
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DbgVerify( pvecRecords->Element( nRecord ).BSetField( readSet.GetColumn( nColumnIndex), pubData, cubData ) );
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}
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}
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return true;
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}
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//EResult UpdateOrInsertUnique( CSQLAccess &sqlAccess, int iTable, int iField, CRecordBase *pRecordBase, int iIndexID );
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//bool BIsDuplicateInsertAttempt( const CSQLErrorInfo *pErr );
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#define EXIT_WITH_SQL_FAILURE( ret ) { nRet = ret; goto Exit; }
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#define EXIT_ON_BOOL_FAILURE( bRet, msg ) \
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{ \
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if ( false == bRet ) \
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{ \
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SetSQLError( msg ); \
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nRet = SQL_ERROR; \
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goto Exit; \
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} \
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}
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#define SAFE_CLOSE_STMT( x ) \
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if ( NULL != (x) ) \
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{ \
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SQLFreeHandle( SQL_HANDLE_STMT, (x) ); \
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(x) = NULL; \
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}
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#define SAFE_FREE_HANDLE( x, y ) \
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if ( NULL != (x) ) \
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{ \
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SQLFreeHandle( y, (x) ); \
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(x) = NULL; \
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}
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} // namespace GCSDK
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#endif // SQLUTIL_H
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