/*
* Obtain physical row ID at current WorkArea cursor position.
*/
static HB_ERRCODE hb_delimRecId( DELIMAREAP pArea, PHB_ITEM pRecNo )
{
HB_ERRCODE errCode;
ULONG ulRecNo;
HB_TRACE(HB_TR_DEBUG, ("hb_delimRecId(%p,%p)", pArea, pRecNo));
errCode = SELF_RECNO( ( AREAP ) pArea, &ulRecNo );
#ifdef HB_C52_STRICT
/* this is for strict Clipper compatibility but IMHO Clipper should not
do that and always set fixed size independent to the record number */
if( ulRecNo < 10000000 )
{
hb_itemPutNLLen( pRecNo, ulRecNo, 7 );
}
else
{
hb_itemPutNLLen( pRecNo, ulRecNo, 10 );
}
#else
hb_itemPutNInt( pRecNo, ulRecNo );
#endif
return errCode;
}
static HB_ERRCODE pgsqlGetValue( SQLBASEAREAP pArea, HB_USHORT uiIndex, PHB_ITEM pItem )
{
SDDDATA * pSDDData = ( SDDDATA * ) pArea->pSDDData;
LPFIELD pField;
char * pValue;
HB_BOOL bError;
PHB_ITEM pError;
HB_SIZE ulLen;
bError = HB_FALSE;
uiIndex--;
pField = pArea->area.lpFields + uiIndex;
if( PQgetisnull( pSDDData->pResult, pArea->ulRecNo - 1, uiIndex ) )
return HB_SUCCESS;
pValue = PQgetvalue( pSDDData->pResult, pArea->ulRecNo - 1, uiIndex );
ulLen = ( HB_SIZE ) PQgetlength( pSDDData->pResult, pArea->ulRecNo - 1, uiIndex );
/* printf( "fieldget recno:%d index:%d value:%s len:%d\n", pArea->ulRecNo, uiIndex, pValue, ulLen ); */
switch( pField->uiType )
{
case HB_FT_STRING:
hb_itemPutCL( pItem, pValue, ulLen );
break;
case HB_FT_MEMO:
hb_itemPutCL( pItem, pValue, ulLen );
hb_itemSetCMemo( pItem );
break;
case HB_FT_INTEGER:
case HB_FT_LONG:
case HB_FT_DOUBLE:
if( pField->uiDec )
hb_itemPutNDLen( pItem, atof( pValue ),
( int ) pField->uiLen - ( ( int ) pField->uiDec + 1 ),
( int ) pField->uiDec );
else
if( pField->uiLen > 9 )
hb_itemPutNDLen( pItem, atof( pValue ),
( int ) pField->uiLen, ( int ) pField->uiDec );
else
hb_itemPutNLLen( pItem, atol( pValue ), ( int ) pField->uiLen );
break;
case HB_FT_LOGICAL:
hb_itemPutL( pItem, pValue[ 0 ] == 'T' || pValue[ 0 ] == 'Y' );
break;
case HB_FT_DATE:
{
char szDate[ 9 ];
szDate[ 0 ] = pValue[ 0 ];
szDate[ 1 ] = pValue[ 1 ];
szDate[ 2 ] = pValue[ 2 ];
szDate[ 3 ] = pValue[ 3 ];
szDate[ 4 ] = pValue[ 5 ];
szDate[ 5 ] = pValue[ 6 ];
szDate[ 6 ] = pValue[ 8 ];
szDate[ 7 ] = pValue[ 9 ];
szDate[ 8 ] = '\0';
hb_itemPutDS( pItem, szDate );
break;
}
default:
bError = HB_TRUE;
break;
}
if( bError )
{
pError = hb_errNew();
hb_errPutGenCode( pError, EG_DATATYPE );
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_DATATYPE ) );
hb_errPutSubCode( pError, EDBF_DATATYPE );
SELF_ERROR( ( AREAP ) pArea, pError );
hb_itemRelease( pError );
return HB_FAILURE;
}
return HB_SUCCESS;
}
static HB_ERRCODE sqlite3Open( SQLBASEAREAP pArea )
{
sqlite3 * pDb = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pDb;
sqlite3_stmt * st = NULL;
SDDDATA * pSDDData;
const char * pszQuery;
HB_SIZE nQueryLen;
void * hQuery;
HB_USHORT uiFields, uiIndex;
PHB_ITEM pItemEof, pItem;
HB_ERRCODE errCode;
char * szError;
HB_BOOL bError;
pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
pSDDData = ( SDDDATA * ) pArea->pSDDData;
pItem = hb_itemPutC( NULL, pArea->szQuery );
pszQuery = S_HB_ITEMGETSTR( pItem, &hQuery, &nQueryLen );
if( sqlite3_prepare_v2( pDb, pszQuery, ( int ) nQueryLen, &st, NULL ) != SQLITE_OK )
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
szError = sqlite3GetError( pDb, &errCode );
hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
sqlite3_finalize( st );
hb_xfree( szError );
return HB_FAILURE;
}
else
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
}
if( sqlite3_step( st ) != SQLITE_ROW )
{
szError = sqlite3GetError( pDb, &errCode );
hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
sqlite3_finalize( st );
hb_xfree( szError );
return HB_FAILURE;
}
uiFields = ( HB_USHORT ) sqlite3_column_count( st );
SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );
pItemEof = hb_itemArrayNew( uiFields );
/* HB_TRACE( HB_TR_ALWAYS, ("fieldcount=%d", iNameLen) ); */
errCode = 0;
bError = HB_FALSE;
for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
{
DBFIELDINFO pFieldInfo;
PHB_ITEM pName;
int iDataType;
int iSize;
int iDec;
pName = S_HB_ITEMPUTSTR( NULL, sqlite3_column_name( st, uiIndex ) );
pFieldInfo.atomName = hb_itemGetCPtr( pName );
iDataType = sqlite3_column_type( st, uiIndex );
iSize = sqlite3_column_bytes( st, uiIndex );
iDec = 0;
pFieldInfo.uiLen = ( HB_USHORT ) iSize;
pFieldInfo.uiDec = ( HB_USHORT ) iDec;
/* HB_TRACE( HB_TR_ALWAYS, ("field: name=%s type=%d len=%d dec=%d nullable=%d", pFieldInfo.atomName, iDataType, iSize, iDec ) ); */
switch( iDataType )
{
case SQLITE_TEXT:
pFieldInfo.uiType = HB_FT_STRING;
break;
case SQLITE_FLOAT:
case SQLITE_INTEGER:
pFieldInfo.uiType = HB_FT_LONG;
break;
case SQLITE_BLOB:
pFieldInfo.uiType = HB_FT_BLOB;
break;
default:
/* HB_TRACE( HB_TR_ALWAYS, ("new sql type=%d", iDataType) ); */
bError = HB_TRUE;
errCode = ( HB_ERRCODE ) iDataType;
pFieldInfo.uiType = 0;
pFieldInfo.uiType = HB_FT_STRING;
break;
}
if( ! bError )
{
switch( pFieldInfo.uiType )
{
case HB_FT_STRING:
{
char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
memset( pStr, ' ', pFieldInfo.uiLen );
pStr[ pFieldInfo.uiLen ] = '\0';
pItem = hb_itemPutCLPtr( NULL, pStr, pFieldInfo.uiLen );
break;
}
case HB_FT_BLOB:
pItem = hb_itemPutC( NULL, NULL );
break;
case HB_FT_LONG:
if( pFieldInfo.uiDec == 0 )
pItem = hb_itemPutNLLen( NULL, 0, pFieldInfo.uiLen );
else
pItem = hb_itemPutNDLen( NULL, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
break;
default:
pItem = hb_itemNew( NULL );
bError = HB_TRUE;
}
hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
hb_itemRelease( pItem );
if( ! bError )
bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
}
hb_itemRelease( pName );
if( bError )
break;
}
if( bError )
{
hb_itemRelease( pItemEof );
sqlite3_finalize( st );
hb_errRT_SQLT3DD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
return HB_FAILURE;
}
pArea->ulRecCount = 0;
pArea->ulRecMax = SQLDD_ROWSET_INIT;
pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
memset( pArea->pRow, 0, SQLDD_ROWSET_INIT * sizeof( void * ) );
pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
memset( pArea->pRowFlags, 0, SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
pArea->pRow[ 0 ] = pItemEof;
pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
pSDDData->pStmt = st;
return HB_SUCCESS;
}
static HB_ERRCODE sqlite3Open( SQLBASEAREAP pArea )
{
sqlite3 * pDb = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pDb;
sqlite3_stmt * st = NULL;
SDDDATA * pSDDData;
const char * pszQuery;
HB_SIZE nQueryLen;
void * hQuery;
HB_USHORT uiFields, uiIndex;
PHB_ITEM pItemEof, pItem;
HB_ERRCODE errCode;
char * szError;
HB_BOOL bError;
pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
pSDDData = ( SDDDATA * ) pArea->pSDDData;
pItem = hb_itemPutC( NULL, pArea->szQuery );
pszQuery = S_HB_ITEMGETSTR( pItem, &hQuery, &nQueryLen );
if( sqlite3_prepare_v2( pDb, pszQuery, ( int ) nQueryLen, &st, NULL ) != SQLITE_OK )
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
szError = sqlite3GetError( pDb, &errCode );
hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
sqlite3_finalize( st );
hb_xfree( szError );
return HB_FAILURE;
}
else
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
}
if( sqlite3_step( st ) != SQLITE_ROW )
{
szError = sqlite3GetError( pDb, &errCode );
hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
sqlite3_finalize( st );
hb_xfree( szError );
return HB_FAILURE;
}
uiFields = ( HB_USHORT ) sqlite3_column_count( st );
SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );
pItemEof = hb_itemArrayNew( uiFields );
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", uiFields ) );
#endif
errCode = 0;
bError = HB_FALSE;
for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
{
DBFIELDINFO pFieldInfo;
int iDataType = sqlite3_column_type( st, uiIndex );
PHB_ITEM pName = S_HB_ITEMPUTSTR( NULL, sqlite3_column_name( st, uiIndex ) );
HB_USHORT uiNameLen = ( HB_USHORT ) hb_itemGetCLen( pName );
if( ( ( AREAP ) pArea )->uiMaxFieldNameLength < uiNameLen )
( ( AREAP ) pArea )->uiMaxFieldNameLength = uiNameLen;
pFieldInfo.atomName = hb_itemGetCPtr( pName );
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d", pFieldInfo.atomName, iDataType, sqlite3_column_bytes( st, uiIndex ) ) );
#endif
/* There are no field length limits stored in the SQLite3 database,
so we're resorting to setting some arbitrary default values to
make apps relying on these (f.e. Browse()/GET) to behave somewhat
better. For better results, update apps to untie UI metrics from
any database field/value widths. [vszakats] */
pFieldInfo.uiLen = 10;
pFieldInfo.uiDec = 0;
switch( iDataType )
{
case SQLITE3_TEXT:
pFieldInfo.uiType = HB_FT_STRING;
break;
case SQLITE_FLOAT:
pFieldInfo.uiType = HB_FT_LONG;
pFieldInfo.uiDec = ( HB_USHORT ) hb_setGetDecimals();
pFieldInfo.uiLen += pFieldInfo.uiDec + 1;
break;
case SQLITE_INTEGER:
pFieldInfo.uiType = HB_FT_LONG;
break;
case SQLITE_BLOB:
case SQLITE_NULL:
pFieldInfo.uiType = HB_FT_BLOB;
break;
default:
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", iDataType ) );
#endif
bError = HB_TRUE;
errCode = ( HB_ERRCODE ) iDataType;
pFieldInfo.uiType = 0;
break;
}
if( ! bError )
{
switch( pFieldInfo.uiType )
{
case HB_FT_STRING:
{
char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
memset( pStr, ' ', pFieldInfo.uiLen );
pStr[ pFieldInfo.uiLen ] = '\0';
pItem = hb_itemPutCLPtr( NULL, pStr, pFieldInfo.uiLen );
break;
}
case HB_FT_BLOB:
pItem = hb_itemPutC( NULL, NULL );
break;
case HB_FT_LONG:
if( pFieldInfo.uiDec == 0 )
pItem = hb_itemPutNLLen( NULL, 0, pFieldInfo.uiLen );
else
pItem = hb_itemPutNDLen( NULL, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
break;
default:
pItem = hb_itemNew( NULL );
bError = HB_TRUE;
}
hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
hb_itemRelease( pItem );
if( ! bError )
bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
}
hb_itemRelease( pName );
if( bError )
break;
}
if( bError )
{
hb_itemRelease( pItemEof );
sqlite3_finalize( st );
hb_errRT_SQLT3DD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
return HB_FAILURE;
}
pArea->ulRecCount = 0;
pArea->ulRecMax = SQLDD_ROWSET_INIT;
pArea->pRow = ( void ** ) hb_xgrabz( SQLDD_ROWSET_INIT * sizeof( void * ) );
pArea->pRowFlags = ( HB_BYTE * ) hb_xgrabz( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
pArea->pRow[ 0 ] = pItemEof;
pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
pSDDData->pStmt = st;
return HB_SUCCESS;
}
static HB_ERRCODE odbcGoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
SQLHSTMT hStmt;
SQLRETURN res;
SQLLEN iLen;
PHB_ITEM pArray, pItem;
LPFIELD pField;
HB_USHORT ui;
/* No pArea->pSDDData for DBCreate() area...
* though pArea->fFetched == HB_TRUE for them
*/
hStmt = pArea->pSDDData ? ( ( SDDDATA * ) pArea->pSDDData )->hStmt : NULL;
while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
{
if( ! SQL_SUCCEEDED( SQLFetch( hStmt ) ) )
{
pArea->fFetched = HB_TRUE;
break;
}
pArray = hb_itemArrayNew( pArea->area.uiFieldCount );
pItem = NULL;
for( ui = 1; ui <= pArea->area.uiFieldCount; ui++ )
{
iLen = SQL_NULL_DATA;
res = 0;
pField = pArea->area.lpFields + ui - 1;
switch( pField->uiType )
{
case HB_FT_STRING:
if( pField->uiType & HB_FF_BINARY )
{
char buffer[ 1 ];
iLen = 0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BINARY, buffer, 0, &iLen ) ) )
{
if( iLen >= 0 )
{
char * val = ( char * ) hb_xgrab( iLen + 1 );
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BINARY, val, iLen + 1, &iLen ) ) )
pItem = hb_itemPutCLPtr( pItem, val, ( HB_SIZE ) iLen );
else
hb_xfree( val );
}
}
}
else
{
O_HB_CHAR buffer[ 1 ];
#if defined( UNICODE )
SQLSMALLINT iTargetType = SQL_C_WCHAR;
#else
SQLSMALLINT iTargetType = SQL_C_CHAR;
#endif
iLen = 0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, iTargetType, buffer, 0, &iLen ) ) )
{
if( iLen >= 0 )
{
O_HB_CHAR * val = ( O_HB_CHAR * ) hb_xgrab( iLen + sizeof( O_HB_CHAR ) );
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, iTargetType, val, iLen + sizeof( O_HB_CHAR ), &iLen ) ) )
{
#if defined( UNICODE )
iLen >>= 1;
#endif
pItem = O_HB_ITEMPUTSTRLEN( pItem, val, ( HB_SIZE ) iLen );
}
hb_xfree( val );
}
}
}
break;
case HB_FT_INTEGER:
#if ODBCVER >= 0x0300
if( pField->uiTypeExtended == ( HB_USHORT ) SQL_BIGINT )
{
HB_I64 val = 0;
/* NOTE: SQL_C_SBIGINT not available before ODBC 3.0 */
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_SBIGINT, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutNIntLen( pItem, val, pField->uiLen );
}
else
#endif
{
SQLINTEGER val = 0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_LONG, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutNLLen( pItem, val, pField->uiLen );
}
break;
case HB_FT_LONG:
if( pField->uiDec == 0 && pField->uiLen < 10 )
{
SQLINTEGER val = 0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_LONG, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutNLLen( pItem, val, pField->uiLen );
}
else
{
double val = 0.0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DOUBLE, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutNDLen( pItem, val, pField->uiLen, pField->uiDec );
}
break;
case HB_FT_DOUBLE:
{
double val = 0.0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DOUBLE, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutNDLen( pItem, val, pField->uiLen, pField->uiDec );
break;
}
case HB_FT_LOGICAL:
{
unsigned char val = 0;
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BIT, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutL( pItem, val != 0 );
break;
}
case HB_FT_DATE:
{
DATE_STRUCT val = { 0, 0, 0 };
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DATE, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutD( pItem, val.year, val.month, val.day );
break;
}
case HB_FT_TIME:
{
TIME_STRUCT val = { 0, 0, 0 };
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_TIME, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutTDT( pItem, 0, hb_timeEncode( val.hour, val.minute, val.second, 0 ) );
break;
}
case HB_FT_TIMESTAMP:
{
TIMESTAMP_STRUCT val = { 0, 0, 0, 0, 0, 0, 0 };
if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_TIMESTAMP, &val, sizeof( val ), &iLen ) ) )
pItem = hb_itemPutTDT( pItem, hb_dateEncode( val.year, val.month, val.day ),
hb_timeEncode( val.hour, val.minute, val.second, val.fraction / 1000000 ) );
break;
}
}
/* TODO: check SQL_SUCCEEDED( res ) */
/* TODO: check for SQL_NO_TOTAL. What does this mean? */
HB_SYMBOL_UNUSED( res );
if( pItem )
{
/* NULL -> NIL */
if( iLen == SQL_NULL_DATA )
hb_itemClear( pItem );
else
hb_arraySetForward( pArray, ui, pItem );
}
}
if( pItem )
hb_itemRelease( pItem );
if( pArea->ulRecCount + 1 >= pArea->ulRecMax )
{
pArea->pRow = ( void ** ) hb_xrealloc( pArea->pRow, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( void * ) );
pArea->pRowFlags = ( HB_BYTE * ) hb_xrealloc( pArea->pRowFlags, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( HB_BYTE ) );
pArea->ulRecMax += SQLDD_ROWSET_RESIZE;
}
pArea->ulRecCount++;
pArea->pRow[ pArea->ulRecCount ] = pArray;
pArea->pRowFlags[ pArea->ulRecCount ] = SQLDD_FLAG_CACHED;
}
static HB_ERRCODE odbcOpen( SQLBASEAREAP pArea )
{
SDDCONN * pSDDConn = ( SDDCONN * ) pArea->pConnection->pSDDConn;
SDDDATA * pSDDData;
O_HB_CHAR * pchQuery;
SQLHSTMT hStmt;
SQLSMALLINT iNameLen;
PHB_ITEM pItemEof, pItem;
HB_BOOL bError;
HB_USHORT uiFields, uiIndex;
HB_ERRCODE errCode;
char * szError;
SQLRETURN result;
pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
pSDDData = ( SDDDATA * ) pArea->pSDDData;
#if ODBCVER >= 0x0300
if( ! SQL_SUCCEEDED( SQLAllocHandle( SQL_HANDLE_STMT, pSDDConn->hConn, &hStmt ) ) )
#else
if( ! SQL_SUCCEEDED( SQLAllocStmt( pSDDConn->hConn, &hStmt ) ) )
#endif
{
szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, SQL_NULL_HSTMT, &errCode );
hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTALLOC, szError, pArea->szQuery, errCode );
hb_xfree( szError );
return HB_FAILURE;
}
pchQuery = O_HB_CHARDUP( pArea->szQuery );
result = SQLExecDirect( hStmt,
( SQLTCHAR * ) HB_UNCONST( pchQuery ),
( SQLINTEGER ) O_HB_STRLEN( pchQuery ) );
hb_xfree( pchQuery );
if( ! SQL_SUCCEEDED( result ) )
{
szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, &errCode );
#if ODBCVER >= 0x0300
SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
SQLFreeStmt( hStmt, SQL_DROP );
#endif
hb_errRT_ODBCDD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
hb_xfree( szError );
return HB_FAILURE;
}
if( ! SQL_SUCCEEDED( SQLNumResultCols( hStmt, &iNameLen ) ) )
{
szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, &errCode );
#if ODBCVER >= 0x0300
SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
SQLFreeStmt( hStmt, SQL_DROP );
#endif
hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTDESCR + 1000, szError, pArea->szQuery, errCode );
hb_xfree( szError );
return HB_FAILURE;
}
uiFields = ( HB_USHORT ) iNameLen;
SELF_SETFIELDEXTENT( &pArea->area, uiFields );
pItemEof = hb_itemArrayNew( uiFields );
pItem = hb_itemNew( NULL );
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", iNameLen ) );
#endif
errCode = 0;
bError = HB_FALSE;
for( uiIndex = 0; uiIndex < uiFields; uiIndex++ )
{
DBFIELDINFO dbFieldInfo;
char * pszName;
SQLTCHAR cName[ 256 ];
SQLULEN uiSize;
SQLSMALLINT iDataType, iDec, iNull;
if( ! SQL_SUCCEEDED( SQLDescribeCol( hStmt, ( SQLSMALLINT ) uiIndex + 1,
cName, HB_SIZEOFARRAY( cName ),
&iNameLen, &iDataType, &uiSize, &iDec, &iNull ) ) )
{
hb_itemRelease( pItemEof );
hb_itemRelease( pItem );
szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, NULL );
#if ODBCVER >= 0x0300
SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
SQLFreeStmt( hStmt, SQL_DROP );
#endif
hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTDESCR + 1001, szError, pArea->szQuery, 0 );
hb_xfree( szError );
return HB_FAILURE;
}
memset( &dbFieldInfo, 0, sizeof( dbFieldInfo ) );
dbFieldInfo.atomName = pszName = O_HB_OSSTRDUP( ( O_HB_CHAR * ) cName );
/*
We do mapping of many SQL types to one Harbour field type here, so, we need store
real SQL type in uiTypeExtended. SQL types are signed, so, HB_USHORT type casting
is a little hackish. We need to remember use this casting also in expressions like
this:
if( pField->uiTypeExtended == ( HB_USHORT ) SQL_BIGINT )
or introduce our own unsigned SQL types.
[Mindaugas]
*/
dbFieldInfo.uiTypeExtended = ( HB_USHORT ) iDataType;
dbFieldInfo.uiLen = ( HB_USHORT ) uiSize;
dbFieldInfo.uiDec = iDec;
if( iNull == SQL_NULLABLE )
dbFieldInfo.uiFlags |= HB_FF_NULLABLE;
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d dec=%d null=%d", dbFieldInfo.atomName, iDataType, uiSize, iDec, iNull ) );
#endif
switch( iDataType )
{
case SQL_CHAR:
case SQL_VARCHAR:
case SQL_LONGVARCHAR:
dbFieldInfo.uiType = HB_FT_STRING;
break;
case SQL_WCHAR:
case SQL_WVARCHAR:
case SQL_WLONGVARCHAR:
dbFieldInfo.uiType = HB_FT_STRING;
dbFieldInfo.uiFlags |= HB_FF_UNICODE;
break;
case SQL_BINARY:
case SQL_VARBINARY:
case SQL_LONGVARBINARY:
dbFieldInfo.uiType = HB_FT_STRING;
dbFieldInfo.uiFlags |= HB_FF_BINARY;
break;
case SQL_TINYINT:
case SQL_SMALLINT:
case SQL_INTEGER:
case SQL_BIGINT:
dbFieldInfo.uiType = HB_FT_INTEGER;
break;
case SQL_DECIMAL:
case SQL_NUMERIC:
dbFieldInfo.uiType = HB_FT_LONG;
break;
case SQL_REAL:
case SQL_FLOAT:
case SQL_DOUBLE:
dbFieldInfo.uiType = HB_FT_DOUBLE;
break;
case SQL_BIT:
dbFieldInfo.uiType = HB_FT_LOGICAL;
break;
case SQL_DATE:
#if ODBCVER >= 0x0300
case SQL_TYPE_DATE:
#endif
dbFieldInfo.uiType = HB_FT_DATE;
break;
case SQL_TIME:
#if ODBCVER >= 0x0300
case SQL_TYPE_TIME:
#endif
dbFieldInfo.uiType = HB_FT_TIME;
break;
/* SQL_DATETIME = SQL_DATE = 9 */
case SQL_TIMESTAMP:
#if ODBCVER >= 0x0300
case SQL_TYPE_TIMESTAMP:
#endif
dbFieldInfo.uiType = HB_FT_TIMESTAMP;
break;
default:
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", iDataType ) );
#endif
bError = HB_TRUE;
errCode = ( HB_ERRCODE ) iDataType;
break;
}
if( ! bError )
{
switch( dbFieldInfo.uiType )
{
case HB_FT_STRING:
{
char * pStr;
pStr = ( char * ) hb_xgrab( ( HB_SIZE ) dbFieldInfo.uiLen + 1 );
memset( pStr, ' ', dbFieldInfo.uiLen );
pStr[ dbFieldInfo.uiLen ] = '\0';
hb_itemPutCL( pItem, pStr, dbFieldInfo.uiLen );
hb_xfree( pStr );
break;
}
case HB_FT_MEMO:
hb_itemPutC( pItem, NULL );
break;
case HB_FT_INTEGER:
hb_itemPutNI( pItem, 0 );
break;
case HB_FT_LONG:
if( dbFieldInfo.uiDec == 0 )
hb_itemPutNLLen( pItem, 0, dbFieldInfo.uiLen );
else
hb_itemPutNDLen( pItem, 0.0, dbFieldInfo.uiLen, dbFieldInfo.uiDec );
break;
case HB_FT_DOUBLE:
hb_itemPutNDLen( pItem, 0.0, dbFieldInfo.uiLen, dbFieldInfo.uiDec );
break;
case HB_FT_LOGICAL:
hb_itemPutL( pItem, HB_FALSE );
break;
case HB_FT_DATE:
hb_itemPutDL( pItem, 0 );
break;
case HB_FT_TIME:
hb_itemPutTDT( pItem, 0, 0 );
break;
case HB_FT_TIMESTAMP:
hb_itemPutTDT( pItem, 0, 0 );
break;
default:
hb_itemClear( pItem );
bError = HB_TRUE;
break;
}
hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
if( ! bError )
bError = ( SELF_ADDFIELD( &pArea->area, &dbFieldInfo ) == HB_FAILURE );
hb_xfree( pszName );
}
if( bError )
break;
}
hb_itemRelease( pItem );
if( bError )
{
hb_itemRelease( pItemEof );
#if ODBCVER >= 0x0300
SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
SQLFreeStmt( hStmt, SQL_DROP );
#endif
hb_errRT_ODBCDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
return HB_FAILURE;
}
pArea->ulRecCount = 0;
pArea->ulRecMax = SQLDD_ROWSET_INIT;
pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
pArea->pRow[ 0 ] = pItemEof;
pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
pSDDData->hStmt = hStmt;
return HB_SUCCESS;
}
static HB_ERRCODE mysqlGetValue( SQLBASEAREAP pArea, HB_USHORT uiIndex, PHB_ITEM pItem )
{
SDDDATA * pSDDData = ( SDDDATA * ) pArea->pSDDData;
LPFIELD pField;
char * pValue;
char szBuffer[ 64 ];
HB_BOOL bError;
PHB_ITEM pError;
HB_SIZE ulLen;
bError = HB_FALSE;
uiIndex--;
pField = pArea->area.lpFields + uiIndex;
pValue = pSDDData->pNatRecord[ uiIndex ];
ulLen = pSDDData->pNatLength[ uiIndex ];
/* NULL => NIL (?) */
if( ! pValue )
{
hb_itemClear( pItem );
return HB_SUCCESS;
}
switch( pField->uiType )
{
case HB_FT_STRING:
{
#if 0
char * pStr;
/* Expand strings to field length */
pStr = ( char * ) hb_xgrab( pField->uiLen + 1 );
if( pValue )
memcpy( pStr, pValue, ulLen );
if( ( HB_SIZE ) pField->uiLen > ulLen )
memset( pStr + ulLen, ' ', pField->uiLen - ulLen );
pStr[ pField->uiLen ] = '\0';
hb_itemPutCRaw( pItem, pStr, pField->uiLen );
#else
/* Do not expand strings */
if( pValue )
hb_itemPutCL( pItem, pValue, ulLen );
else
hb_itemPutC( pItem, NULL );
#endif
break;
}
case HB_FT_MEMO:
if( pValue )
hb_itemPutCL( pItem, pValue, ulLen );
else
hb_itemPutC( pItem, NULL );
hb_itemSetCMemo( pItem );
break;
case HB_FT_INTEGER:
case HB_FT_LONG:
case HB_FT_DOUBLE:
if( pValue )
{
hb_strncpy( szBuffer, pValue, sizeof( szBuffer ) - 1 );
if( pField->uiDec )
{
hb_itemPutNDLen( pItem, atof( szBuffer ),
( int ) pField->uiLen - ( ( int ) pField->uiDec + 1 ),
( int ) pField->uiDec );
}
else
hb_itemPutNLLen( pItem, atol( szBuffer ), ( int ) pField->uiLen );
}
else
{
if( pField->uiDec )
hb_itemPutNDLen( pItem, 0.0,
( int ) pField->uiLen - ( ( int ) pField->uiDec + 1 ),
( int ) pField->uiDec );
else
hb_itemPutNLLen( pItem, 0, ( int ) pField->uiLen );
}
break;
case HB_FT_DATE:
{
char szDate[ 9 ];
szDate[ 0 ] = pValue[ 0 ];
szDate[ 1 ] = pValue[ 1 ];
szDate[ 2 ] = pValue[ 2 ];
szDate[ 3 ] = pValue[ 3 ];
szDate[ 4 ] = pValue[ 5 ];
szDate[ 5 ] = pValue[ 6 ];
szDate[ 6 ] = pValue[ 8 ];
szDate[ 7 ] = pValue[ 9 ];
szDate[ 8 ] = '\0';
hb_itemPutDS( pItem, szDate );
break;
}
case HB_FT_TIMESTAMP:
{
char szTimeStamp[ 15 ];
szTimeStamp[ 0 ] = pValue[ 0 ];
szTimeStamp[ 1 ] = pValue[ 1 ];
szTimeStamp[ 2 ] = pValue[ 2 ];
szTimeStamp[ 3 ] = pValue[ 3 ];
szTimeStamp[ 4 ] = pValue[ 5 ];
szTimeStamp[ 5 ] = pValue[ 6 ];
szTimeStamp[ 6 ] = pValue[ 8 ];
szTimeStamp[ 7 ] = pValue[ 9 ];
szTimeStamp[ 8 ] = pValue[ 11 ];
szTimeStamp[ 9 ] = pValue[ 12 ];
szTimeStamp[ 10 ] = pValue[ 14 ];
szTimeStamp[ 11 ] = pValue[ 15 ];
szTimeStamp[ 12 ] = pValue[ 17 ];
szTimeStamp[ 13 ] = pValue[ 18 ];
szTimeStamp[ 14 ] = '\0';
hb_itemPutTS( pItem, szTimeStamp );
break;
}
case HB_FT_TIME:
{
char szTimeStamp[ 15 ];
szTimeStamp[ 0 ] = '0';
szTimeStamp[ 1 ] = '0';
szTimeStamp[ 2 ] = '0';
szTimeStamp[ 3 ] = '0';
szTimeStamp[ 4 ] = '0';
szTimeStamp[ 5 ] = '0';
szTimeStamp[ 6 ] = '0';
szTimeStamp[ 7 ] = '0';
szTimeStamp[ 8 ] = pValue[ 0 ];
szTimeStamp[ 9 ] = pValue[ 1 ];
szTimeStamp[ 10 ] = pValue[ 3 ];
szTimeStamp[ 11 ] = pValue[ 4 ];
szTimeStamp[ 12 ] = pValue[ 6 ];
szTimeStamp[ 13 ] = pValue[ 7 ];
szTimeStamp[ 14 ] = '\0';
hb_itemPutTS( pItem, szTimeStamp );
break;
}
default:
bError = HB_TRUE;
break;
}
if( bError )
{
pError = hb_errNew();
hb_errPutGenCode( pError, EG_DATATYPE );
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_DATATYPE ) );
hb_errPutSubCode( pError, EDBF_DATATYPE );
SELF_ERROR( ( AREAP ) pArea, pError );
hb_itemRelease( pError );
return HB_FAILURE;
}
return HB_SUCCESS;
}
static HB_ERRCODE ocilibOpen( SQLBASEAREAP pArea )
{
OCI_Statement * st = OCI_StatementCreate( ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pConn );
OCI_Resultset * rs;
SDDDATA * pSDDData;
void * hQuery;
HB_USHORT uiFields, uiIndex;
PHB_ITEM pItemEof, pItem;
HB_ERRCODE errCode;
char * szError;
HB_BOOL bError;
pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
pSDDData = ( SDDDATA * ) pArea->pSDDData;
if( ! st )
{
szError = ocilibGetError( &errCode );
hb_errRT_OCIDD( EG_OPEN, ESQLDD_STMTALLOC, szError, pArea->szQuery, errCode );
hb_xfree( szError );
return HB_FAILURE;
}
pItem = hb_itemPutC( NULL, pArea->szQuery );
if( ! OCI_ExecuteStmt( st, M_HB_ITEMGETSTR( pItem, &hQuery, NULL ) ) )
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
szError = ocilibGetError( &errCode );
OCI_StatementFree( st );
hb_errRT_OCIDD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
hb_xfree( szError );
return HB_FAILURE;
}
else
{
hb_strfree( hQuery );
hb_itemRelease( pItem );
}
rs = OCI_GetResultset( st );
uiFields = ( HB_USHORT ) OCI_GetColumnCount( rs );
SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );
pItemEof = hb_itemArrayNew( uiFields );
pItem = hb_itemNew( NULL );
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", iNameLen ) );
#endif
errCode = 0;
bError = HB_FALSE;
for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
{
DBFIELDINFO pFieldInfo;
PHB_ITEM pName;
OCI_Column * col = OCI_GetColumn( rs, uiIndex + 1 );
unsigned int uiDataType;
unsigned int uiSize;
int iDec;
HB_BOOL bNullable;
if( ! col )
{
hb_itemRelease( pItemEof );
hb_itemRelease( pItem );
szError = ocilibGetError( NULL );
OCI_StatementFree( st );
hb_errRT_OCIDD( EG_OPEN, ESQLDD_STMTDESCR + 1001, szError, pArea->szQuery, 0 );
hb_xfree( szError );
return HB_FAILURE;
}
pName = D_HB_ITEMPUTSTR( NULL, OCI_ColumnGetName( col ) );
pFieldInfo.atomName = hb_itemGetCPtr( pName );
uiDataType = OCI_ColumnGetType( col );
uiSize = OCI_ColumnGetSize( col );
iDec = OCI_ColumnGetPrecision( col );
bNullable = ( HB_BOOL ) OCI_ColumnGetNullable( col );
if( bNullable )
pFieldInfo.uiFlags |= HB_FF_NULLABLE;
pFieldInfo.uiLen = ( HB_USHORT ) uiSize;
pFieldInfo.uiDec = ( HB_USHORT ) iDec;
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d dec=%d nullable=%d %d %d %d %d", pFieldInfo.atomName, uiDataType, uiSize, iDec, bNullable, OCI_ColumnGetScale( col ), OCI_ColumnGetPrecision( col ), OCI_ColumnGetFractionalPrecision( col ), OCI_ColumnGetLeadingPrecision( col ) ) );
#endif
switch( uiDataType )
{
case OCI_CDT_TEXT:
pFieldInfo.uiType = HB_FT_STRING;
break;
case OCI_CDT_NUMERIC:
pFieldInfo.uiType = HB_FT_LONG;
/* For plain 'NUMERIC', precision is zero and scale is -127 */
if( OCI_ColumnGetPrecision( col ) > 0 )
pFieldInfo.uiLen = ( HB_USHORT ) OCI_ColumnGetPrecision( col );
if( OCI_ColumnGetScale( col ) >= 0 )
pFieldInfo.uiDec = ( HB_USHORT ) OCI_ColumnGetScale( col );
else
pFieldInfo.uiDec = ( HB_USHORT ) hb_setGetDecimals();
break;
case OCI_CDT_LONG:
pFieldInfo.uiType = HB_FT_VARLENGTH;
break;
case OCI_CDT_RAW:
pFieldInfo.uiType = HB_FT_BLOB;
break;
case OCI_CDT_DATETIME:
case OCI_CDT_TIMESTAMP:
case OCI_CDT_INTERVAL:
pFieldInfo.uiType = HB_FT_TIME;
break;
default:
#if 0
HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", uiDataType ) );
#endif
bError = HB_TRUE;
errCode = ( HB_ERRCODE ) uiDataType;
pFieldInfo.uiType = 0;
pFieldInfo.uiType = HB_FT_STRING;
break;
}
if( ! bError )
{
switch( pFieldInfo.uiType )
{
case HB_FT_STRING:
{
char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
memset( pStr, ' ', pFieldInfo.uiLen );
pStr[ pFieldInfo.uiLen ] = '\0';
hb_itemPutCLPtr( pItem, pStr, pFieldInfo.uiLen );
break;
}
case HB_FT_MEMO:
case HB_FT_VARLENGTH:
case HB_FT_BLOB:
hb_itemPutC( pItem, NULL );
break;
case HB_FT_INTEGER:
hb_itemPutNI( pItem, 0 );
break;
case HB_FT_LONG:
if( pFieldInfo.uiDec == 0 )
hb_itemPutNLLen( pItem, 0, pFieldInfo.uiLen );
else
hb_itemPutNDLen( pItem, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
break;
case HB_FT_DOUBLE:
hb_itemPutNDLen( pItem, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
break;
case HB_FT_LOGICAL:
hb_itemPutL( pItem, HB_FALSE );
break;
case HB_FT_DATE:
hb_itemPutDL( pItem, 0 );
break;
case HB_FT_TIME:
case HB_FT_TIMESTAMP:
hb_itemPutTDT( pItem, 0, 0 );
break;
default:
hb_itemClear( pItem );
bError = HB_TRUE;
}
hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
if( ! bError )
bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
}
hb_itemRelease( pName );
if( bError )
break;
}
hb_itemRelease( pItem );
if( bError )
{
hb_itemRelease( pItemEof );
OCI_StatementFree( st );
hb_errRT_OCIDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
return HB_FAILURE;
}
pArea->ulRecCount = 0;
pArea->ulRecMax = SQLDD_ROWSET_INIT;
pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
memset( pArea->pRow, 0, SQLDD_ROWSET_INIT * sizeof( void * ) );
pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
memset( pArea->pRowFlags, 0, SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
pArea->pRow[ 0 ] = pItemEof;
pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
pSDDData->pStmt = st;
return HB_SUCCESS;
}
