/*
* Obtain the current value of a field.
*/
static HB_ERRCODE hb_delimGetValue( DELIMAREAP pArea, USHORT uiIndex, PHB_ITEM pItem )
{
LPFIELD pField;
HB_TRACE(HB_TR_DEBUG, ("hb_delimGetValue(%p, %hu, %p)", pArea, uiIndex, pItem));
--uiIndex;
pField = pArea->lpFields + uiIndex;
switch( pField->uiType )
{
case HB_FT_STRING:
#ifndef HB_CDP_SUPPORT_OFF
if( pArea->cdPage != hb_cdppage() )
{
char * pVal = ( char * ) hb_xgrab( pField->uiLen + 1 );
memcpy( pVal, pArea->pRecord + pArea->pFieldOffset[ uiIndex ], pField->uiLen );
pVal[ pField->uiLen ] = '\0';
hb_cdpnTranslate( pVal, pArea->cdPage, hb_cdppage(), pField->uiLen );
hb_itemPutCPtr( pItem, pVal, pField->uiLen );
}
else
#endif
{
hb_itemPutCL( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
pField->uiLen );
}
break;
case HB_FT_LOGICAL:
switch( pArea->pRecord[ pArea->pFieldOffset[ uiIndex ] ] )
{
case 'T':
case 't':
case 'Y':
case 'y':
hb_itemPutL( pItem, TRUE );
break;
default:
hb_itemPutL( pItem, FALSE );
break;
}
break;
case HB_FT_DATE:
hb_itemPutDS( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ] );
break;
case HB_FT_LONG:
{
HB_LONG lVal;
double dVal;
BOOL fDbl;
fDbl = hb_strnToNum( (const char *) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
pField->uiLen, &lVal, &dVal );
if( pField->uiDec )
{
hb_itemPutNDLen( pItem, fDbl ? dVal : ( double ) lVal,
( int ) ( pField->uiLen - pField->uiDec - 1 ),
( int ) pField->uiDec );
}
else if( fDbl )
{
hb_itemPutNDLen( pItem, dVal, ( int ) pField->uiLen, 0 );
}
else
{
hb_itemPutNIntLen( pItem, lVal, ( int ) pField->uiLen );
}
}
break;
case HB_FT_MEMO:
hb_itemPutC( pItem, "" );
break;
case HB_FT_NONE:
hb_itemClear( pItem );
break;
default:
{
PHB_ITEM pError;
pError = hb_errNew();
hb_errPutGenCode( pError, EG_DATATYPE );
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_DATATYPE ) );
hb_errPutOperation( pError, hb_dynsymName( ( PHB_DYNS ) pField->sym ) );
hb_errPutSubCode( pError, EDBF_DATATYPE );
SELF_ERROR( ( AREAP ) pArea, pError );
hb_itemRelease( pError );
return HB_FAILURE;
}
}
return HB_SUCCESS;
}
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 sqlite3GoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
sqlite3_stmt * st = ( ( SDDDATA * ) pArea->pSDDData )->pStmt;
while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
{
PHB_ITEM pArray;
HB_USHORT ui;
if( sqlite3_step( st ) != SQLITE_ROW )
{
pArea->fFetched = HB_TRUE;
break;
}
pArray = hb_itemArrayNew( pArea->area.uiFieldCount );
for( ui = 0; ui < pArea->area.uiFieldCount; ++ui )
{
PHB_ITEM pItem = NULL;
LPFIELD pField = pArea->area.lpFields + ui;
switch( pField->uiType )
{
case HB_FT_STRING:
pItem = S_HB_ITEMPUTSTR( NULL, ( const char * ) sqlite3_column_text( st, ui ) );
break;
case HB_FT_LONG:
case HB_FT_INTEGER:
if( pField->uiDec == 0 )
#if HB_VMLONG_MAX == INT32_MAX || defined( HB_LONG_LONG_OFF )
pItem = hb_itemPutNIntLen( NULL, sqlite3_column_int( st, ui ), pField->uiLen );
#else
pItem = hb_itemPutNIntLen( NULL, sqlite3_column_int64( st, ui ), pField->uiLen );
#endif
else
pItem = hb_itemPutNDLen( NULL, sqlite3_column_double( st, ui ), pField->uiLen, pField->uiDec );
break;
case HB_FT_BLOB:
pItem = hb_itemPutCL( NULL, ( const char * ) sqlite3_column_blob( st, ui ), sqlite3_column_bytes( st, ui ) );
break;
}
if( pItem )
{
hb_arraySetForward( pArray, ui + 1, 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;
}
/*
* Read record, decode it to buffer and set next record offset
*/
static HB_ERRCODE hb_delimReadRecord( DELIMAREAP pArea )
{
USHORT uiField, uiLen, uiSize;
HB_TYPE uiType;
LPFIELD pField;
BYTE * pFieldBuf, buffer[ 256 ];
char cStop;
int ch = 0;
HB_TRACE(HB_TR_DEBUG, ("hb_delimReadRecord(%p)", pArea));
if( pArea->ulBufferStart <= pArea->ulRecordOffset &&
pArea->ulBufferStart + ( HB_FOFFSET ) pArea->ulBufferRead > pArea->ulRecordOffset )
{
pArea->ulBufferIndex = ( ULONG ) ( pArea->ulRecordOffset - pArea->ulBufferStart );
}
else
{
pArea->ulBufferStart = pArea->ulRecordOffset;
pArea->ulBufferRead = pArea->ulBufferIndex = 0;
}
/* clear the record buffer */
hb_delimClearRecordBuffer( pArea );
for( uiField = 0; uiField < pArea->uiFieldCount; ++uiField )
{
pField = pArea->lpFields + uiField;
uiType = pField->uiType;
if( uiType == HB_FT_STRING || uiType == HB_FT_LOGICAL ||
uiType == HB_FT_DATE || uiType == HB_FT_LONG )
{
uiSize = 0;
uiLen = pField->uiLen;
pFieldBuf = pArea->pRecord + pArea->pFieldOffset[ uiField ];
/* ignore leading spaces */
do
ch = hb_delimNextChar( pArea );
while( ch == ' ' );
/* set the stop character */
if( pArea->cDelim && ch == pArea->cDelim )
{
cStop = pArea->cDelim;
ch = hb_delimNextChar( pArea );
}
else
cStop = pArea->cSeparator;
/*
* Clipper uses differ rules for character fields, they
* can be terminated only with valid stop character, when
* other fields also by length
*/
if( pField->uiType == HB_FT_STRING )
{
while( ch >= 0 && ch != cStop )
{
if( uiSize < uiLen )
pFieldBuf[ uiSize++ ] = ( BYTE ) ch;
ch = hb_delimNextChar( pArea );
}
}
else
{
while( ch >= 0 && ch != cStop && uiSize < uiLen )
{
buffer[ uiSize++ ] = ( BYTE ) ch;
ch = hb_delimNextChar( pArea );
}
buffer[ uiSize ] = '\0';
if( pField->uiType == HB_FT_LOGICAL )
{
*pFieldBuf = ( *buffer == 'T' || *buffer == 't' ||
*buffer == 'Y' || *buffer == 'y' ) ? 'T' : 'F';
}
else if( pField->uiType == HB_FT_DATE )
{
if( uiSize == 8 && hb_dateEncStr( ( char * ) buffer ) != 0 )
memcpy( pFieldBuf, buffer, 8 );
}
else
{
HB_LONG lVal;
double dVal;
BOOL fDbl;
fDbl = hb_strnToNum( (const char *) buffer, uiSize, &lVal, &dVal );
if( fDbl )
pArea->valResult = hb_itemPutNDLen( pArea->valResult, dVal,
uiLen - pField->uiDec - 1, pField->uiDec );
else
pArea->valResult = hb_itemPutNIntLen( pArea->valResult,
lVal, uiLen );
hb_itemStrBuf( ( char * ) buffer, pArea->valResult, uiLen, pField->uiDec );
/* TODO: RT error on width range */
memcpy( pFieldBuf, buffer, uiLen );
}
}
/* ignore all character to the next field separator */
while( ch >= 0 && ch != pArea->cSeparator )
ch = hb_delimNextChar( pArea );
/* stop reading on EOL */
if( ch < 0 )
break;
}
}
/* ignore all character to the end of line */
while( ch >= 0 )
ch = hb_delimNextChar( pArea );
if( ch == -2 &&
pArea->ulRecordOffset == ( HB_FOFFSET ) ( pArea->ulBufferStart +
pArea->ulBufferIndex ) )
{
pArea->fEof = TRUE;
pArea->fPositioned = FALSE;
}
else
{
pArea->fEof = FALSE;
pArea->fPositioned = TRUE;
}
return HB_SUCCESS;
}
static int hb_matherrblock( HB_MATH_EXCEPTION * pexc )
{
PHB_MATHERRDATA pMathErr = hb_mathErrData();
int retval;
/* call codeblock for both case: handled and unhandled exceptions */
if( pMathErr->block )
{
PHB_ITEM pArray, pRet;
PHB_ITEM pType, pFuncname, pError, pArg1, pArg2, pRetval, pHandled;
const char * funcname = pexc->funcname;
if( funcname == HB_ERR_FUNCNAME )
{
PHB_SYMB pSym = hb_itemGetSymbol( hb_stackBaseItem() );
if( pSym )
funcname = pSym->szName;
}
pType = hb_itemPutNI( NULL, pexc->type );
pFuncname = hb_itemPutC( NULL, funcname );
pError = hb_itemPutC( NULL, pexc->error );
pArg1 = hb_itemPutND( NULL, pexc->arg1 );
pArg2 = hb_itemPutND( NULL, pexc->arg2 );
pRetval = hb_itemPutNDLen( NULL, pexc->retval, pexc->retvalwidth, pexc->retvaldec );
pHandled = hb_itemPutL( NULL, pexc->handled );
pArray = hb_itemArrayNew( 2 );
hb_itemArrayPut( pArray, 1, pRetval );
hb_itemArrayPut( pArray, 2, pHandled );
/* launch error codeblock that can
a) change the members of the array = {dRetval, lHandled} to set the
return value of the math C RTL routine and the <exception handled
flag> and it
b) can return an integer value to set the return value of matherr().
NOTE that these values are only used if lHandled was .F. and is set
to .T. within the codeblock */
pRet = hb_itemDo( pMathErr->block, 6, pType, pFuncname, pError, pArg1, pArg2, pArray );
hb_itemRelease( pType );
hb_itemRelease( pFuncname );
hb_itemRelease( pError );
hb_itemRelease( pArg1 );
hb_itemRelease( pArg2 );
hb_itemRelease( pRetval );
hb_itemRelease( pHandled );
if( pexc->handled )
{
/* math exception has already been handled, so codeblock call above
was only informative */
retval = 1;
}
else
{
/* exception handled by codeblock ? */
pHandled = hb_itemArrayGet( pArray, 2 );
if( pHandled )
{
pexc->handled = hb_itemGetL( pHandled );
hb_itemRelease( pHandled );
}
if( pexc->handled )
{
/* YES ! */
/* extract retval for math routine and matherr() */
pRetval = hb_itemArrayGet( pArray, 1 );
if( pRetval )
{
pexc->retval = hb_itemGetND( pRetval );
hb_itemGetNLen( pRetval, &pexc->retvalwidth, &pexc->retvaldec );
hb_itemRelease( pRetval );
}
if( pRet && HB_IS_NUMERIC( pRet ) )
{
retval = hb_itemGetNI( pRet ); /* block may also return 0 to force C math lib warnings */
hb_itemRelease( pRet );
}
else
{
retval = 1; /* default return value to suppress C math lib warnings */
}
}
else
{
/* NO ! */
retval = 1;
}
}
hb_itemRelease( pArray );
}
else
{
retval = 1; /* default return value to suppress C math lib warnings */
}
if( pMathErr->prevHandler )
{
if( pexc->handled )
{
/* the error is handled, so simply inform the previous handler */
( *pMathErr->prevHandler )( pexc );
}
else
{
/* else go on error handling within previous handler */
retval = ( *pMathErr->prevHandler )( pexc );
}
}
return retval;
}
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;
}
/*
* Obtain the current value of a field.
*/
static HB_ERRCODE hb_sdfGetValue( SDFAREAP pArea, HB_USHORT uiIndex, PHB_ITEM pItem )
{
LPFIELD pField;
HB_TRACE( HB_TR_DEBUG, ( "hb_sdfGetValue(%p, %hu, %p)", pArea, uiIndex, pItem ) );
if( --uiIndex >= pArea->area.uiFieldCount )
return HB_FAILURE;
pField = pArea->area.lpFields + uiIndex;
switch( pField->uiType )
{
case HB_FT_STRING:
if( ( pField->uiFlags & HB_FF_BINARY ) == 0 )
{
HB_SIZE nLen = pField->uiLen;
char * pszVal = hb_cdpnDup( ( const char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
&nLen, pArea->area.cdPage, hb_vmCDP() );
hb_itemPutCLPtr( pItem, pszVal, nLen );
}
else
{
hb_itemPutCL( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
pField->uiLen );
}
break;
case HB_FT_LOGICAL:
switch( pArea->pRecord[ pArea->pFieldOffset[ uiIndex ] ] )
{
case 'T':
case 't':
case 'Y':
case 'y':
hb_itemPutL( pItem, HB_TRUE );
break;
default:
hb_itemPutL( pItem, HB_FALSE );
break;
}
break;
case HB_FT_DATE:
hb_itemPutDS( pItem, ( char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ] );
break;
case HB_FT_TIMESTAMP:
{
long lJulian, lMilliSec;
HB_BYTE * pFieldPtr = pArea->pRecord + pArea->pFieldOffset[ uiIndex ], bChar;
bChar = pFieldPtr[ pField->uiLen ];
pFieldPtr[ pField->uiLen ] = 0;
hb_timeStampStrGetDT( ( const char * ) pFieldPtr, &lJulian, &lMilliSec );
pFieldPtr[ pField->uiLen ] = bChar;
hb_itemPutTDT( pItem, lJulian, lMilliSec );
break;
}
case HB_FT_LONG:
{
HB_MAXINT lVal;
double dVal;
HB_BOOL fDbl;
fDbl = hb_strnToNum( ( const char * ) pArea->pRecord + pArea->pFieldOffset[ uiIndex ],
pField->uiLen, &lVal, &dVal );
if( pField->uiDec )
{
hb_itemPutNDLen( pItem, fDbl ? dVal : ( double ) lVal,
( int ) ( pField->uiLen - pField->uiDec - 1 ),
( int ) pField->uiDec );
}
else if( fDbl )
{
hb_itemPutNDLen( pItem, dVal, ( int ) pField->uiLen, 0 );
}
else
{
hb_itemPutNIntLen( pItem, lVal, ( int ) pField->uiLen );
}
}
break;
case HB_FT_MEMO:
hb_itemPutC( pItem, NULL );
break;
case HB_FT_NONE:
hb_itemClear( pItem );
break;
default:
{
PHB_ITEM pError;
pError = hb_errNew();
hb_errPutGenCode( pError, EG_DATATYPE );
hb_errPutDescription( pError, hb_langDGetErrorDesc( EG_DATATYPE ) );
hb_errPutOperation( pError, hb_dynsymName( ( PHB_DYNS ) pField->sym ) );
hb_errPutSubCode( pError, EDBF_DATATYPE );
SELF_ERROR( &pArea->area, 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 );
#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 ocilibGoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
OCI_Statement * st = ( ( SDDDATA * ) pArea->pSDDData )->pStmt;
OCI_Resultset * rs = OCI_GetResultset( st );
while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
{
PHB_ITEM pArray;
HB_USHORT ui;
if( ! OCI_FetchNext( rs ) )
{
pArea->fFetched = HB_TRUE;
break;
}
pArray = hb_itemArrayNew( pArea->area.uiFieldCount );
for( ui = 1; ui <= pArea->area.uiFieldCount; ++ui )
{
PHB_ITEM pItem = NULL;
LPFIELD pField = pArea->area.lpFields + ui - 1;
switch( pField->uiType )
{
case HB_FT_STRING:
if( OCI_IsNull( rs, ui ) )
{
char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pField->uiLen + 1 );
memset( pStr, ' ', pField->uiLen );
pStr[ pField->uiLen ] = '\0';
pItem = hb_itemPutCLPtr( NULL, pStr, pField->uiLen );
}
else
{
const dtext * val;
if( ( val = OCI_GetString( rs, ui ) ) != NULL )
pItem = D_HB_ITEMPUTSTRLEN( NULL, val, ( HB_SIZE ) dtslen( val ) ); /* TODO: Pad it to pField->uiLen size with spaces? */
}
break;
case HB_FT_LONG:
case HB_FT_INTEGER:
if( pField->uiDec == 0 )
#if HB_VMLONG_MAX == INT32_MAX || defined( HB_LONG_LONG_OFF )
pItem = hb_itemPutNIntLen( NULL, OCI_GetInt( rs, ui ), pField->uiLen );
#else
pItem = hb_itemPutNIntLen( NULL, OCI_GetBigInt( rs, ui ), pField->uiLen );
#endif
else
pItem = hb_itemPutNDLen( NULL, OCI_GetDouble( rs, ui ), pField->uiLen, pField->uiDec );
break;
case HB_FT_VARLENGTH:
case HB_FT_MEMO:
{
OCI_Long * val = OCI_GetLong( rs, ui );
if( val )
{
unsigned int uiSize = OCI_LongGetSize( val );
if( OCI_LongGetType( val ) == OCI_CLONG )
pItem = D_HB_ITEMPUTSTRLEN( NULL, ( D_HB_CHAR * ) OCI_LongGetBuffer( val ), uiSize );
else
pItem = hb_itemPutCL( NULL, ( char * ) OCI_LongGetBuffer( val ), uiSize );
}
break;
}
case HB_FT_IMAGE:
case HB_FT_BLOB:
case HB_FT_OLE:
{
OCI_Long * val = OCI_GetLong( rs, ui );
if( val )
pItem = hb_itemPutCL( NULL, ( char * ) OCI_LongGetBuffer( val ), OCI_LongGetSize( val ) );
break;
}
case HB_FT_CURRENCY:
case HB_FT_CURDOUBLE:
case HB_FT_FLOAT:
case HB_FT_DOUBLE:
pItem = hb_itemPutNDLen( NULL, OCI_GetDouble( rs, ui ), pField->uiLen, pField->uiDec );
break;
case HB_FT_DATE:
{
OCI_Date * date = OCI_GetDate( rs, ui );
int iYear, iMonth, iDay;
if( date && OCI_DateGetDate( date, &iYear, &iMonth, &iDay ) )
pItem = hb_itemPutD( NULL, iYear, iMonth, iDay );
break;
}
case HB_FT_TIME:
{
OCI_Date * date = OCI_GetDate( rs, ui );
int iYear, iMonth, iDay, iHour, iMin, iSec;
if( date && OCI_DateGetDateTime( date, &iYear, &iMonth, &iDay, &iHour, &iMin, &iSec ) )
pItem = hb_itemPutTDT( NULL, hb_dateEncode( iYear, iMonth, iDay ),
hb_timeEncode( iHour, iMin, iSec, 0 ) );
break;
}
case HB_FT_TIMESTAMP:
{
OCI_Timestamp * ts = OCI_GetTimestamp( rs, ui );
int iYear, iMonth, iDay, iHour, iMin, iSec, iFSec;
if( ts && OCI_TimestampGetDateTime( ts, &iYear, &iMonth, &iDay, &iHour, &iMin, &iSec, &iFSec ) )
pItem = hb_itemPutTDT( NULL, hb_dateEncode( iYear, iMonth, iDay ),
hb_timeEncode( iHour, iMin, iSec, iFSec / 1000000 ) );
break;
}
}
if( pItem )
{
hb_arraySetForward( pArray, ui, 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 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;
}
