X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1a6944fd74cfb70ace96d60bde31a7c8e0a5896d..b142515e79888988bf22c532c8c0da175fb59aca:/src/iodbc/result.c?ds=sidebyside diff --git a/src/iodbc/result.c b/src/iodbc/result.c index 1060d40d83..99dd7bf7f3 100644 --- a/src/iodbc/result.c +++ b/src/iodbc/result.c @@ -1,575 +1,523 @@ -/** Prepare for getting query result - - Copyright (C) 1995 by Ke Jin - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -**/ - -#include <../iodbc/iodbc.h> - -#include <../iodbc/isql.h> -#include <../iodbc/isqlext.h> - -#include <../iodbc/dlproc.h> - -#include <../iodbc/herr.h> -#include <../iodbc/henv.h> -#include <../iodbc/hdbc.h> -#include <../iodbc/hstmt.h> - -#include <../iodbc/itrace.h> - -RETCODE SQL_API SQLBindCol ( - HSTMT hstmt, - UWORD icol, - SWORD fCType, - PTR rgbValue, - SDWORD cbValueMax, - SDWORD FAR* pcbValue ) +/* + * result.c + * + * $Id$ + * + * Prepare for getting query result + * + * The iODBC driver manager. + * + * Copyright (C) 1995 by Ke Jin + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "config.h" + +#include "isql.h" +#include "isqlext.h" + +#include "dlproc.h" + +#include "herr.h" +#include "henv.h" +#include "hdbc.h" +#include "hstmt.h" + +#include "itrace.h" + +RETCODE SQL_API +SQLBindCol ( + HSTMT hstmt, + UWORD icol, + SWORD fCType, + PTR rgbValue, + SDWORD cbValueMax, + SDWORD FAR * pcbValue) { - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc = SQL_NULL_HPROC; - RETCODE retcode; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } - - /* check argument */ - switch(fCType) - { - case SQL_C_DEFAULT: - case SQL_C_CHAR: - case SQL_C_BINARY: - case SQL_C_BIT: - case SQL_C_TINYINT: - case SQL_C_STINYINT: - case SQL_C_UTINYINT: - case SQL_C_SHORT: - case SQL_C_SSHORT: - case SQL_C_USHORT: - case SQL_C_LONG: - case SQL_C_SLONG: - case SQL_C_ULONG: - case SQL_C_FLOAT: - case SQL_C_DOUBLE: - case SQL_C_DATE: - case SQL_C_TIME: - case SQL_C_TIMESTAMP: - break; - - default: - PUSHSQLERR ( pstmt->herr, en_S1003); - return SQL_ERROR; - } - - if( cbValueMax < 0 ) - { - PUSHSQLERR ( pstmt->herr, en_S1090 ); - - return SQL_ERROR; - } - - /* check state */ - if( pstmt->state > en_stmt_needdata - || pstmt->asyn_on != en_NullProc ) - { - PUSHSQLERR ( pstmt->herr, en_S1010 ); - return SQL_ERROR; - } - - /* call driver's function */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_BindCol ); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; - } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_BindCol, ( - pstmt->dhstmt, - icol, - fCType, - rgbValue, - cbValueMax, - pcbValue ) ) - -#if 0 - retcode = hproc(pstmt->dhstmt, - icol, - fCType, - rgbValue, - cbValueMax, - pcbValue ); -#endif - - return retcode; + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc = SQL_NULL_HPROC; + RETCODE retcode; + + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check argument */ + switch (fCType) + { + case SQL_C_DEFAULT: + case SQL_C_CHAR: + case SQL_C_BINARY: + case SQL_C_BIT: + case SQL_C_TINYINT: + case SQL_C_STINYINT: + case SQL_C_UTINYINT: + case SQL_C_SHORT: + case SQL_C_SSHORT: + case SQL_C_USHORT: + case SQL_C_LONG: + case SQL_C_SLONG: + case SQL_C_ULONG: + case SQL_C_FLOAT: + case SQL_C_DOUBLE: + case SQL_C_DATE: + case SQL_C_TIME: + case SQL_C_TIMESTAMP: + break; + + default: + PUSHSQLERR (pstmt->herr, en_S1003); + return SQL_ERROR; + } + + if (cbValueMax < 0) + { + PUSHSQLERR (pstmt->herr, en_S1090); + + return SQL_ERROR; + } + + /* check state */ + if (pstmt->state > en_stmt_needdata || pstmt->asyn_on != en_NullProc) + { + PUSHSQLERR (pstmt->herr, en_S1010); + return SQL_ERROR; + } + + /* call driver's function */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_BindCol); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_BindCol, + (pstmt->dhstmt, icol, fCType, rgbValue, cbValueMax, pcbValue)) + + return retcode; } -RETCODE SQL_API SQLGetCursorName( - HSTMT hstmt, - UCHAR FAR* szCursor, - SWORD cbCursorMax, - SWORD FAR* pcbCursor ) + +RETCODE SQL_API +SQLGetCursorName ( + HSTMT hstmt, + UCHAR FAR * szCursor, + SWORD cbCursorMax, + SWORD FAR * pcbCursor) { - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - RETCODE retcode; + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + RETCODE retcode; - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } - /* check argument */ - if( cbCursorMax < (SWORD)0 ) - { - PUSHSQLERR ( pstmt->herr, en_S1090 ); - - return SQL_ERROR; - } + /* check argument */ + if (cbCursorMax < (SWORD) 0) + { + PUSHSQLERR (pstmt->herr, en_S1090); - /* check state */ - if( pstmt->state >= en_stmt_needdata - || pstmt->asyn_on != en_NullProc ) - { - PUSHSQLERR ( pstmt->herr, en_S1010 ); + return SQL_ERROR; + } - return SQL_ERROR; - } + /* check state */ + if (pstmt->state >= en_stmt_needdata || pstmt->asyn_on != en_NullProc) + { + PUSHSQLERR (pstmt->herr, en_S1010); - if( pstmt->state < en_stmt_cursoropen - && pstmt->cursor_state == en_stmt_cursor_no ) - { - PUSHSQLERR ( pstmt->herr, en_S1015 ); + return SQL_ERROR; + } - return SQL_ERROR; - } + if (pstmt->state < en_stmt_cursoropen + && pstmt->cursor_state == en_stmt_cursor_no) + { + PUSHSQLERR (pstmt->herr, en_S1015); - /* call driver's function */ - hproc = _iodbcdm_getproc ( pstmt->hdbc, en_GetCursorName ); + return SQL_ERROR; + } - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); + /* call driver's function */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_GetCursorName); - return SQL_ERROR; - } + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_GetCursorName, ( - pstmt->dhstmt, - szCursor, - cbCursorMax, - pcbCursor ) ) + return SQL_ERROR; + } -#if 0 - retcode = hproc(pstmt->dhstmt, - szCursor, - cbCursorMax, - pcbCursor ); -#endif + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_GetCursorName, + (pstmt->dhstmt, szCursor, cbCursorMax, pcbCursor)) - return retcode; + return retcode; } -RETCODE SQL_API SQLRowCount( - HSTMT hstmt, - SDWORD FAR* pcrow ) -{ - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - RETCODE retcode; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } - - /* check state */ - if( pstmt->state >= en_stmt_needdata - || pstmt->state <= en_stmt_prepared - || pstmt->asyn_on != en_NullProc ) - { - PUSHSQLERR ( pstmt->herr, en_S1010 ); - return SQL_ERROR; - } - - /* call driver */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_RowCount ); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; - } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_RowCount, ( - pstmt->dhstmt, pcrow) ) - -#if 0 - retcode = hproc ( pstmt->dhstmt, pcrow ); -#endif - - return retcode; -} - -RETCODE SQL_API SQLNumResultCols( - HSTMT hstmt, - SWORD FAR* pccol ) +RETCODE SQL_API +SQLRowCount ( + HSTMT hstmt, + SDWORD FAR * pcrow) { - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - RETCODE retcode; - SWORD ccol; + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + RETCODE retcode; - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } - /* check state */ - if( pstmt->asyn_on == en_NullProc ) - { - if( pstmt->state == en_stmt_allocated - || pstmt->state >= en_stmt_needdata ) - { - PUSHSQLERR ( pstmt->herr, en_S1010 ); - return SQL_ERROR; - } - } - else if( pstmt->asyn_on != en_NumResultCols ) - { - PUSHSQLERR ( pstmt->herr, en_S1010 ); + /* check state */ + if (pstmt->state >= en_stmt_needdata + || pstmt->state <= en_stmt_prepared + || pstmt->asyn_on != en_NullProc) + { + PUSHSQLERR (pstmt->herr, en_S1010); - return SQL_ERROR; - } + return SQL_ERROR; + } - /* call driver */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_NumResultCols ); + /* call driver */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_RowCount); - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; - } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_NumResultCols, ( - pstmt->dhstmt, &ccol) ) - -#if 0 - retcode = hproc( pstmt->dhstmt, &ccol ); -#endif - - /* state transition */ - if( pstmt->asyn_on == en_NumResultCols ) - { - switch( retcode ) - { - case SQL_SUCCESS: - case SQL_SUCCESS_WITH_INFO: - case SQL_ERROR: - pstmt->asyn_on = en_NullProc; - - case SQL_STILL_EXECUTING: - default: - break; - } - } + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); - switch( retcode ) - { - case SQL_SUCCESS: - case SQL_SUCCESS_WITH_INFO: - break; - - case SQL_STILL_EXECUTING: - ccol = 0; - pstmt->asyn_on = en_NumResultCols; - break; - - default: - ccol = 0; - break; - } + return SQL_ERROR; + } - if( pccol ) - { - *pccol = ccol; - } + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_RowCount, + (pstmt->dhstmt, pcrow)) - return retcode; + return retcode; } -RETCODE SQL_API SQLDescribeCol( - HSTMT hstmt, - UWORD icol, - UCHAR FAR* szColName, - SWORD cbColNameMax, - SWORD FAR* pcbColName, - SWORD FAR* pfSqlType, - UDWORD FAR* pcbColDef, - SWORD FAR* pibScale, - SWORD FAR* pfNullable ) -{ - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - RETCODE retcode; - int sqlstat = en_00000; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } - /* check arguments */ - if( icol == 0 ) - { - sqlstat = en_S1002; - } - else if( cbColNameMax < 0 ) - { - sqlstat = en_S1090; - } - - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); - - return SQL_ERROR; - } - - /* check state */ - if( pstmt->asyn_on == en_NullProc ) - { - if( pstmt->asyn_on == en_stmt_allocated - || pstmt->asyn_on >= en_stmt_needdata ) - { - sqlstat = en_S1010; - } - } - else if( pstmt->asyn_on != en_DescribeCol ) - { - sqlstat = en_S1010; - } - - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); - - return SQL_ERROR; - } - - /* call driver */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_DescribeCol ); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; - } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_DescribeCol, ( - pstmt->dhstmt, - icol, - szColName, - cbColNameMax, - pcbColName, - pfSqlType, - pcbColDef, - pibScale, - pfNullable) ) - -#if 0 - retcode = hproc(pstmt->dhstmt, - icol, - szColName, - cbColNameMax, - pcbColName, - pfSqlType, - pcbColDef, - pibScale, - pfNullable ); -#endif - - /* state transition */ - if( pstmt->asyn_on == en_DescribeCol ) - { - switch( retcode ) - { - case SQL_SUCCESS: - case SQL_SUCCESS_WITH_INFO: - case SQL_ERROR: - pstmt->asyn_on = en_NullProc; - break; - - default: - return retcode; - } - } - - switch( pstmt->state ) - { - case en_stmt_prepared: - case en_stmt_cursoropen: - case en_stmt_fetched: - case en_stmt_xfetched: - if( retcode == SQL_STILL_EXECUTING ) - { - pstmt->asyn_on = en_DescribeCol; - } - break; - - default: - break; - } - - return retcode; -} - -RETCODE SQL_API SQLColAttributes( - HSTMT hstmt, - UWORD icol, - UWORD fDescType, - PTR rgbDesc, - SWORD cbDescMax, - SWORD FAR* pcbDesc, - SDWORD FAR* pfDesc ) +RETCODE SQL_API +SQLNumResultCols ( + HSTMT hstmt, + SWORD FAR * pccol) { - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - RETCODE retcode; - int sqlstat = en_00000; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } - - /* check arguments */ - if( icol == 0 && fDescType != SQL_COLUMN_COUNT ) - { - sqlstat = en_S1002; - } - else if( cbDescMax < 0 ) - { - sqlstat = en_S1090; - } - else if(/* fDescType < SQL_COLATT_OPT_MIN || */ /* turnoff warning */ - ( fDescType > SQL_COLATT_OPT_MAX - && fDescType < SQL_COLUMN_DRIVER_START ) ) - { - sqlstat = en_S1091; - } - - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); - - return SQL_ERROR; - } - - /* check state */ - if( pstmt->asyn_on == en_NullProc ) - { - if( pstmt->asyn_on == en_stmt_allocated - || pstmt->asyn_on >= en_stmt_needdata ) - { - sqlstat = en_S1010; - } - } - else if( pstmt->asyn_on != en_ColAttributes ) - { - sqlstat = en_S1010; - } - - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); - - return SQL_ERROR; - } - - /* call driver */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_ColAttributes ); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + RETCODE retcode; + SWORD ccol; + + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check state */ + if (pstmt->asyn_on == en_NullProc) + { + if (pstmt->state == en_stmt_allocated + || pstmt->state >= en_stmt_needdata) + { + PUSHSQLERR (pstmt->herr, en_S1010); + return SQL_ERROR; + } + } + else if (pstmt->asyn_on != en_NumResultCols) + { + PUSHSQLERR (pstmt->herr, en_S1010); + + return SQL_ERROR; + } + + /* call driver */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_NumResultCols); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_NumResultCols, + (pstmt->dhstmt, &ccol)) + + /* state transition */ + if (pstmt->asyn_on == en_NumResultCols) + { + switch (retcode) + { + case SQL_SUCCESS: + case SQL_SUCCESS_WITH_INFO: + case SQL_ERROR: + pstmt->asyn_on = en_NullProc; + + case SQL_STILL_EXECUTING: + default: + break; + } + } + + switch (retcode) + { + case SQL_SUCCESS: + case SQL_SUCCESS_WITH_INFO: + break; + + case SQL_STILL_EXECUTING: + ccol = 0; + pstmt->asyn_on = en_NumResultCols; + break; + + default: + ccol = 0; + break; + } + + if (pccol) + { + *pccol = ccol; + } + + return retcode; +} - return SQL_ERROR; - } - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_ColAttributes, ( - pstmt->dhstmt, - icol, - fDescType, - rgbDesc, - cbDescMax, - pcbDesc, - pfDesc) ) - -#if 0 - retcode = hproc(pstmt->dhstmt, - icol, - fDescType, - rgbDesc, - cbDescMax, - pcbDesc, - pfDesc ); -#endif - - /* state transition */ - if( pstmt->asyn_on == en_ColAttributes ) - { - switch( retcode ) - { - case SQL_SUCCESS: - case SQL_SUCCESS_WITH_INFO: - case SQL_ERROR: - pstmt->asyn_on = en_NullProc; - break; - - default: - return retcode; - } - } +RETCODE SQL_API +SQLDescribeCol ( + HSTMT hstmt, + UWORD icol, + UCHAR FAR * szColName, + SWORD cbColNameMax, + SWORD FAR * pcbColName, + SWORD FAR * pfSqlType, + UDWORD FAR * pcbColDef, + SWORD FAR * pibScale, + SWORD FAR * pfNullable) +{ + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + RETCODE retcode; + int sqlstat = en_00000; + + if (hstmt == SQL_NULL_HSTMT + || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check arguments */ + if (icol == 0) + { + sqlstat = en_S1002; + } + else if (cbColNameMax < 0) + { + sqlstat = en_S1090; + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + /* check state */ + if (pstmt->asyn_on == en_NullProc) + { + if (pstmt->asyn_on == en_stmt_allocated + || pstmt->asyn_on >= en_stmt_needdata) + { + sqlstat = en_S1010; + } + } + else if (pstmt->asyn_on != en_DescribeCol) + { + sqlstat = en_S1010; + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + /* call driver */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_DescribeCol); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_DescribeCol, + (pstmt->dhstmt, icol, szColName, cbColNameMax, pcbColName, + pfSqlType, pcbColDef, pibScale, pfNullable)) + + /* state transition */ + if (pstmt->asyn_on == en_DescribeCol) + { + switch (retcode) + { + case SQL_SUCCESS: + case SQL_SUCCESS_WITH_INFO: + case SQL_ERROR: + pstmt->asyn_on = en_NullProc; + break; + + default: + return retcode; + } + } + + switch (pstmt->state) + { + case en_stmt_prepared: + case en_stmt_cursoropen: + case en_stmt_fetched: + case en_stmt_xfetched: + if (retcode == SQL_STILL_EXECUTING) + { + pstmt->asyn_on = en_DescribeCol; + } + break; + + default: + break; + } + + return retcode; +} - switch( pstmt->state ) - { - case en_stmt_prepared: - case en_stmt_cursoropen: - case en_stmt_fetched: - case en_stmt_xfetched: - if( retcode == SQL_STILL_EXECUTING ) - { - pstmt->asyn_on = en_ColAttributes; - } - break; - - default: - break; - } - return retcode; +RETCODE SQL_API +SQLColAttributes ( + HSTMT hstmt, + UWORD icol, + UWORD fDescType, + PTR rgbDesc, + SWORD cbDescMax, + SWORD FAR * pcbDesc, + SDWORD FAR * pfDesc) +{ + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + RETCODE retcode; + int sqlstat = en_00000; + + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check arguments */ + if (icol == 0 && fDescType != SQL_COLUMN_COUNT) + { + sqlstat = en_S1002; + } + else if (cbDescMax < 0) + { + sqlstat = en_S1090; + } + else if ( /* fDescType < SQL_COLATT_OPT_MIN || *//* turnoff warning */ + (fDescType > SQL_COLATT_OPT_MAX + && fDescType < SQL_COLUMN_DRIVER_START)) + { + sqlstat = en_S1091; + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + /* check state */ + if (pstmt->asyn_on == en_NullProc) + { + if (pstmt->asyn_on == en_stmt_allocated + || pstmt->asyn_on >= en_stmt_needdata) + { + sqlstat = en_S1010; + } + } + else if (pstmt->asyn_on != en_ColAttributes) + { + sqlstat = en_S1010; + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + /* call driver */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_ColAttributes); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_ColAttributes, + (pstmt->dhstmt, icol, fDescType, rgbDesc, cbDescMax, pcbDesc, pfDesc)) + + /* state transition */ + if (pstmt->asyn_on == en_ColAttributes) + { + switch (retcode) + { + case SQL_SUCCESS: + case SQL_SUCCESS_WITH_INFO: + case SQL_ERROR: + pstmt->asyn_on = en_NullProc; + break; + + default: + return retcode; + } + } + + switch (pstmt->state) + { + case en_stmt_prepared: + case en_stmt_cursoropen: + case en_stmt_fetched: + case en_stmt_xfetched: + if (retcode == SQL_STILL_EXECUTING) + { + pstmt->asyn_on = en_ColAttributes; + } + break; + + default: + break; + } + + return retcode; }