X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1a6944fd74cfb70ace96d60bde31a7c8e0a5896d..778d618acb1083ba8d98bbc46e7d5c76e824d924:/src/iodbc/hstmt.c diff --git a/src/iodbc/hstmt.c b/src/iodbc/hstmt.c index a336f038a3..ccab2f4c40 100644 --- a/src/iodbc/hstmt.c +++ b/src/iodbc/hstmt.c @@ -1,598 +1,600 @@ -/** Query statement object management functions - - 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 SQLAllocStmt ( - HDBC hdbc, - HSTMT FAR* phstmt ) +/* + * hstmt.c + * + * $Id$ + * + * Query statement object management functions + * + * 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 +SQLAllocStmt ( + HDBC hdbc, + HSTMT FAR * phstmt) { - DBC_t FAR* pdbc = (DBC_t FAR*)hdbc; - STMT_t FAR* pstmt = NULL; - HPROC hproc = SQL_NULL_HPROC; - RETCODE retcode = SQL_SUCCESS; + DBC_t FAR *pdbc = (DBC_t FAR *) hdbc; + STMT_t FAR *pstmt = NULL; + HPROC hproc = SQL_NULL_HPROC; + RETCODE retcode = SQL_SUCCESS; #if (ODBCVER >= 0x0300) - if( hdbc == SQL_NULL_HDBC - || pdbc->type != SQL_HANDLE_DBC ) + if (hdbc == SQL_NULL_HDBC || pdbc->type != SQL_HANDLE_DBC) #else - if( hdbc == SQL_NULL_HDBC ) + if (hdbc == SQL_NULL_HDBC) #endif - { - return SQL_INVALID_HANDLE; - } + { + return SQL_INVALID_HANDLE; + } - if( phstmt == NULL ) - { - PUSHSQLERR ( pdbc->herr, en_S1009 ); + if (phstmt == NULL) + { + PUSHSQLERR (pdbc->herr, en_S1009); - return SQL_ERROR; - } + return SQL_ERROR; + } - /* check state */ - switch( pdbc->state ) - { - case en_dbc_connected: - case en_dbc_hstmt: - break; - - case en_dbc_allocated: - case en_dbc_needdata: - PUSHSQLERR ( pdbc->herr, en_08003 ); - *phstmt = SQL_NULL_HSTMT; - return SQL_ERROR; - - default: - return SQL_INVALID_HANDLE; - } + /* check state */ + switch (pdbc->state) + { + case en_dbc_connected: + case en_dbc_hstmt: + break; - pstmt = (STMT_t FAR*)MEM_ALLOC(sizeof(STMT_t)); + case en_dbc_allocated: + case en_dbc_needdata: + PUSHSQLERR (pdbc->herr, en_08003); + *phstmt = SQL_NULL_HSTMT; + return SQL_ERROR; - if( pstmt == NULL ) - { - PUSHSQLERR ( pdbc->herr, en_S1001 ); - *phstmt = SQL_NULL_HSTMT; - - return SQL_ERROR; - } + default: + return SQL_INVALID_HANDLE; + } + + pstmt = (STMT_t FAR *) MEM_ALLOC (sizeof (STMT_t)); + + if (pstmt == NULL) + { + PUSHSQLERR (pdbc->herr, en_S1001); + *phstmt = SQL_NULL_HSTMT; + + return SQL_ERROR; + } #if (ODBCVER >= 0x0300) - pstmt->type = SQL_HANDLE_STMT; + pstmt->type = SQL_HANDLE_STMT; #endif - /* initiate the object */ - pstmt->herr = SQL_NULL_HERR; - pstmt->hdbc = hdbc; - pstmt->state = en_stmt_allocated; - pstmt->cursor_state = en_stmt_cursor_no; - pstmt->prep_state = 0; - pstmt->asyn_on = en_NullProc; - pstmt->need_on = en_NullProc; - - /* call driver's function */ -#if (ODBCVER >= 0x0300) - hproc = _iodbcdm_getproc( hdbc, en_AllocHandle ); - if( hproc ) - { - CALL_DRIVER ( pstmt->hdbc, hdbc, retcode, hproc, - en_AllocHandle, ( - SQL_HANDLE_STMT, - pdbc->dhdbc, - &(pstmt->dhstmt) ) ) - } - else -#endif - { - hproc = _iodbcdm_getproc( hdbc, en_AllocStmt ); + /* initiate the object */ + pstmt->herr = SQL_NULL_HERR; + pstmt->hdbc = hdbc; + pstmt->state = en_stmt_allocated; + pstmt->cursor_state = en_stmt_cursor_no; + pstmt->prep_state = 0; + pstmt->asyn_on = en_NullProc; + pstmt->need_on = en_NullProc; - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - *phstmt = SQL_NULL_HSTMT; - MEM_FREE ( pstmt ); + /* call driver's function */ - return SQL_ERROR; - } +#if (ODBCVER >= 0x0300) + hproc = _iodbcdm_getproc (hdbc, en_AllocHandle); + + if (hproc) + { + CALL_DRIVER (pstmt->hdbc, hdbc, retcode, hproc, en_AllocHandle, + (SQL_HANDLE_STMT, pdbc->dhdbc, &(pstmt->dhstmt))) + } + else +#endif - CALL_DRIVER ( hdbc, retcode, hproc, en_AllocStmt, ( - pdbc->dhdbc, &(pstmt->dhstmt) ) ) - } + { + hproc = _iodbcdm_getproc (hdbc, en_AllocStmt); - if( retcode != SQL_SUCCESS - && retcode != SQL_SUCCESS_WITH_INFO ) + if (hproc == SQL_NULL_HPROC) { - *phstmt = SQL_NULL_HSTMT; - MEM_FREE ( pstmt ); + PUSHSQLERR (pstmt->herr, en_IM001); + *phstmt = SQL_NULL_HSTMT; + MEM_FREE (pstmt); - return retcode; + return SQL_ERROR; } - /* insert into list */ - pstmt->next = pdbc->hstmt; - pdbc->hstmt = pstmt; + CALL_DRIVER (hdbc, retcode, hproc, en_AllocStmt, + (pdbc->dhdbc, &(pstmt->dhstmt))) + } - *phstmt = (HSTMT)pstmt; + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + { + *phstmt = SQL_NULL_HSTMT; + MEM_FREE (pstmt); - /* state transition */ - pdbc->state = en_dbc_hstmt; + return retcode; + } - return SQL_SUCCESS; -} + /* insert into list */ + pstmt->next = pdbc->hstmt; + pdbc->hstmt = pstmt; -RETCODE _iodbcdm_dropstmt( HSTMT hstmt ) -{ - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - STMT_t FAR* tpstmt; - DBC_t FAR* pdbc; + *phstmt = (HSTMT) pstmt; - if( hstmt == SQL_NULL_HSTMT ) - { - return SQL_INVALID_HANDLE; - } - - pdbc = (DBC_t FAR*)(pstmt->hdbc); - - for(tpstmt = (STMT_t FAR*)pdbc->hstmt; - tpstmt != NULL; - tpstmt = tpstmt->next ) - { - if(tpstmt == pstmt) - { - pdbc->hstmt = (HSTMT)pstmt->next; - break; - } - - if(tpstmt->next == pstmt) - { - tpstmt->next = pstmt->next; - break; - } - } - - if( tpstmt == NULL ) - { - return SQL_INVALID_HANDLE; - } - - _iodbcdm_freesqlerrlist(pstmt->herr); - MEM_FREE(hstmt); + /* state transition */ + pdbc->state = en_dbc_hstmt; - return SQL_SUCCESS; + return SQL_SUCCESS; } -RETCODE SQL_API SQLfreestmt ( - HSTMT hstmt, - UWORD fOption ) -{ - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - STMT_t FAR* tpstmt; - DBC_t FAR* pdbc; - HPROC hproc = SQL_NULL_HPROC; - RETCODE retcode; +RETCODE +_iodbcdm_dropstmt (HSTMT hstmt) +{ + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + STMT_t FAR *tpstmt; + DBC_t FAR *pdbc; - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } + if (hstmt == SQL_NULL_HSTMT) + { + return SQL_INVALID_HANDLE; + } - pdbc = (DBC_t FAR*)(pstmt->hdbc); + pdbc = (DBC_t FAR *) (pstmt->hdbc); - /* check option */ - switch( fOption ) + for (tpstmt = (STMT_t FAR *) pdbc->hstmt; + tpstmt != NULL; + tpstmt = tpstmt->next) + { + if (tpstmt == pstmt) { - case SQL_DROP: - case SQL_CLOSE: - case SQL_UNBIND: - case SQL_RESET_PARAMS: - break; - - default: - PUSHSQLERR ( pstmt->herr, en_S1092 ); - return SQL_ERROR; + pdbc->hstmt = (HSTMT) pstmt->next; + break; } - /* check state */ - if( pstmt->state >= en_stmt_needdata - || pstmt->asyn_on != en_NullProc ) + if (tpstmt->next == pstmt) { - PUSHSQLERR ( pstmt->herr, en_S1010 ); - - return SQL_ERROR; + tpstmt->next = pstmt->next; + break; } + } - hproc = SQL_NULL_HPROC; + if (tpstmt == NULL) + { + return SQL_INVALID_HANDLE; + } -#if (ODBCVER >= 0x0300) - if( fOption == SQL_DROP ) - { - hproc = _iodbcdm_getproc( pstmt->hdbc, en_FreeHandle ); - - if( hproc ) - { - CALL_DRIVER( pstmt->hdbc, retcode, hproc, en_FreeHandle, ( - SQL_HANDLE_STMT, pstmt->dhstmt ) - } - } -#endif + _iodbcdm_freesqlerrlist (pstmt->herr); + MEM_FREE (hstmt); - if( hproc == SQL_NULL_HPROC ) - { - hproc = _iodbcdm_getproc( pstmt->hdbc, en_FreeStmt); + return SQL_SUCCESS; +} - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - return SQL_ERROR; - } +RETCODE SQL_API +SQLFreeStmt ( + HSTMT hstmt, + UWORD fOption) +{ + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + STMT_t FAR *tpstmt; + DBC_t FAR *pdbc; - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_FreeStmt, ( - pstmt->dhstmt, fOption) ) - } + HPROC hproc = SQL_NULL_HPROC; + RETCODE retcode; - if( retcode != SQL_SUCCESS - && retcode != SQL_SUCCESS_WITH_INFO ) - { - return retcode; - } + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } - /* state transition */ - switch( fOption ) - { - case SQL_DROP: - /* delet this object (ignore return) */ - _iodbcdm_dropstmt( hstmt ); - break; - - case SQL_CLOSE: - pstmt->cursor_state = en_stmt_cursor_no; - /* This means cursor name set by - * SQLSetCursorName() call will also - * be erased. - */ - - switch( pstmt->state ) - { - case en_stmt_allocated: - case en_stmt_prepared: - break; - - case en_stmt_executed: - case en_stmt_cursoropen: - case en_stmt_fetched: - case en_stmt_xfetched: - if( pstmt->prep_state ) - { - pstmt->state = - en_stmt_prepared; - } - else - { - pstmt->state = - en_stmt_allocated; - } - break; - - default: - break; - } - break; - - case SQL_UNBIND: - case SQL_RESET_PARAMS: - default: - break; - } + pdbc = (DBC_t FAR *) (pstmt->hdbc); - return retcode; -} + /* check option */ + switch (fOption) + { + case SQL_DROP: + case SQL_CLOSE: + case SQL_UNBIND: + case SQL_RESET_PARAMS: + break; -RETCODE SQL_API SQLSetStmtOption ( - HSTMT hstmt, - UWORD fOption, - UDWORD vParam ) -{ - STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; - HPROC hproc; - int sqlstat = en_00000; - RETCODE retcode; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } + default: + PUSHSQLERR (pstmt->herr, en_S1092); + return SQL_ERROR; + } - /* check option */ - if(/* fOption < SQL_STMT_OPT_MIN || */ - fOption > SQL_STMT_OPT_MAX ) - { - PUSHSQLERR ( pstmt->herr, en_S1092 ); - - return SQL_ERROR; - } + /* check state */ + if (pstmt->state >= en_stmt_needdata || pstmt->asyn_on != en_NullProc) + { + PUSHSQLERR (pstmt->herr, en_S1010); - if( fOption == SQL_CONCURRENCY - || fOption == SQL_CURSOR_TYPE - || fOption == SQL_SIMULATE_CURSOR - || fOption == SQL_USE_BOOKMARKS ) - { - if( pstmt->asyn_on != en_NullProc ) - { - if( pstmt->prep_state ) - { - sqlstat = en_S1011; - } - } - else - { - switch( pstmt->state ) - { - case en_stmt_prepared: - sqlstat = en_S1011; - break; - - case en_stmt_executed: - case en_stmt_cursoropen: - case en_stmt_fetched: - case en_stmt_xfetched: - sqlstat = en_24000; - break; - - case en_stmt_needdata: - case en_stmt_mustput: - case en_stmt_canput: - if( pstmt->prep_state ) - { - sqlstat = en_S1011; - } - break; - - default: - break; - } - } - } - else - { - if( pstmt->asyn_on != en_NullProc ) - { - if( ! pstmt->prep_state ) - { - sqlstat = en_S1010; - } - } - else - { - if( pstmt->state >= en_stmt_needdata ) - { - sqlstat = en_S1010; - } - } - } + return SQL_ERROR; + } - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); + hproc = SQL_NULL_HPROC; - return SQL_ERROR; - } - - hproc = _iodbcdm_getproc( pstmt->hdbc, en_SetStmtOption ); +#if (ODBCVER >= 0x0300) + if (fOption == SQL_DROP) + { + hproc = _iodbcdm_getproc (pstmt->hdbc, en_FreeHandle); - if( hproc == SQL_NULL_HPROC ) + if (hproc) { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_FreeHandle, + (SQL_HANDLE_STMT, pstmt->dhstmt)) } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_SetStmtOption, ( - pstmt->dhstmt, fOption, vParam ) ) - -#if 0 - retcode = hproc ( pstmt->dhstmt, fOption, vParam ); + } #endif - return retcode; + if (hproc == SQL_NULL_HPROC) + { + hproc = _iodbcdm_getproc (pstmt->hdbc, en_FreeStmt); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_FreeStmt, + (pstmt->dhstmt, fOption)) + } + + if (retcode != SQL_SUCCESS + && retcode != SQL_SUCCESS_WITH_INFO) + { + return retcode; + } + + /* state transition */ + switch (fOption) + { + case SQL_DROP: + /* delet this object (ignore return) */ + _iodbcdm_dropstmt (hstmt); + break; + + case SQL_CLOSE: + pstmt->cursor_state = en_stmt_cursor_no; + /* This means cursor name set by + * SQLSetCursorName() call will also + * be erased. + */ + + switch (pstmt->state) + { + case en_stmt_allocated: + case en_stmt_prepared: + break; + + case en_stmt_executed: + case en_stmt_cursoropen: + case en_stmt_fetched: + case en_stmt_xfetched: + if (pstmt->prep_state) + { + pstmt->state = + en_stmt_prepared; + } + else + { + pstmt->state = + en_stmt_allocated; + } + break; + + default: + break; + } + break; + + case SQL_UNBIND: + case SQL_RESET_PARAMS: + default: + break; + } + + return retcode; } -RETCODE SQL_API SQLGetStmtOption ( - HSTMT hstmt, - UWORD fOption, - PTR pvParam ) -{ - STMT_t FAR* pstmt = (STMT_t*)hstmt; - HPROC hproc; - int sqlstat = en_00000; - RETCODE retcode; - - if( hstmt == SQL_NULL_HSTMT - || pstmt->hdbc == SQL_NULL_HDBC ) - { - return SQL_INVALID_HANDLE; - } - - /* check option */ - if( /* fOption < SQL_STMT_OPT_MIN || */ - fOption > SQL_STMT_OPT_MAX ) - { - PUSHSQLERR ( pstmt->herr, en_S1092 ); - - return SQL_ERROR; - } - - /* check state */ - if( pstmt->state >= en_stmt_needdata - || pstmt->asyn_on != en_NullProc ) - { - sqlstat = en_S1010; - } - else - { - switch( pstmt->state ) - { - case en_stmt_allocated: - case en_stmt_prepared: - case en_stmt_executed: - case en_stmt_cursoropen: - if( fOption == SQL_ROW_NUMBER - || fOption == SQL_GET_BOOKMARK ) - { - sqlstat = en_24000; - } - break; - - default: - break; - } - } - - if( sqlstat != en_00000 ) - { - PUSHSQLERR ( pstmt->herr, sqlstat ); - - return SQL_ERROR; - } - - hproc = _iodbcdm_getproc( pstmt->hdbc, en_GetStmtOption); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - return SQL_ERROR; - } - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_GetStmtOption, ( - pstmt->dhstmt, fOption, pvParam ) ) - -#if 0 - retcode = hproc ( pstmt->dhstmt, fOption, pvParam ); -#endif - - return retcode; -} - -RETCODE SQL_API SQLCancel ( HSTMT hstmt ) +RETCODE SQL_API +SQLSetStmtOption ( + HSTMT hstmt, + UWORD fOption, + UDWORD vParam) { - 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 argument */ - /* check state */ - - /* call driver */ - hproc = _iodbcdm_getproc( pstmt->hdbc, en_Cancel ); - - if( hproc == SQL_NULL_HPROC ) - { - PUSHSQLERR ( pstmt->herr, en_IM001 ); - - return SQL_ERROR; - } - - CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_Cancel, (pstmt->dhstmt) ) + STMT_t FAR *pstmt = (STMT_t FAR *) hstmt; + HPROC hproc; + int sqlstat = en_00000; + RETCODE retcode; + + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check option */ + if ( /* fOption < SQL_STMT_OPT_MIN || */ + fOption > SQL_STMT_OPT_MAX) + { + PUSHSQLERR (pstmt->herr, en_S1092); + + return SQL_ERROR; + } + + if (fOption == SQL_CONCURRENCY + || fOption == SQL_CURSOR_TYPE + || fOption == SQL_SIMULATE_CURSOR + || fOption == SQL_USE_BOOKMARKS) + { + if (pstmt->asyn_on != en_NullProc) + { + if (pstmt->prep_state) + { + sqlstat = en_S1011; + } + } + else + { + switch (pstmt->state) + { + case en_stmt_prepared: + sqlstat = en_S1011; + break; + + case en_stmt_executed: + case en_stmt_cursoropen: + case en_stmt_fetched: + case en_stmt_xfetched: + sqlstat = en_24000; + break; + + case en_stmt_needdata: + case en_stmt_mustput: + case en_stmt_canput: + if (pstmt->prep_state) + { + sqlstat = en_S1011; + } + break; + + default: + break; + } + } + } + else + { + if (pstmt->asyn_on != en_NullProc) + { + if (!pstmt->prep_state) + { + sqlstat = en_S1010; + } + } + else + { + if (pstmt->state >= en_stmt_needdata) + { + sqlstat = en_S1010; + } + } + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + hproc = _iodbcdm_getproc (pstmt->hdbc, en_SetStmtOption); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_SetStmtOption, + (pstmt->dhstmt, fOption, vParam)) + + return retcode; +} -#if 0 - retcode = hproc ( pstmt->dhstmt ); -#endif - /* state transition */ - if( retcode != SQL_SUCCESS - && retcode != SQL_SUCCESS_WITH_INFO ) - { - return retcode; - } +RETCODE SQL_API +SQLGetStmtOption ( + HSTMT hstmt, + UWORD fOption, + PTR pvParam) +{ + STMT_t FAR *pstmt = (STMT_t *) hstmt; + HPROC hproc; + int sqlstat = en_00000; + RETCODE retcode; + + if (hstmt == SQL_NULL_HSTMT || pstmt->hdbc == SQL_NULL_HDBC) + { + return SQL_INVALID_HANDLE; + } + + /* check option */ + if ( /* fOption < SQL_STMT_OPT_MIN || */ + fOption > SQL_STMT_OPT_MAX) + { + PUSHSQLERR (pstmt->herr, en_S1092); + + return SQL_ERROR; + } + + /* check state */ + if (pstmt->state >= en_stmt_needdata + || pstmt->asyn_on != en_NullProc) + { + sqlstat = en_S1010; + } + else + { + switch (pstmt->state) + { + case en_stmt_allocated: + case en_stmt_prepared: + case en_stmt_executed: + case en_stmt_cursoropen: + if (fOption == SQL_ROW_NUMBER || fOption == SQL_GET_BOOKMARK) + { + sqlstat = en_24000; + } + break; + + default: + break; + } + } + + if (sqlstat != en_00000) + { + PUSHSQLERR (pstmt->herr, sqlstat); + + return SQL_ERROR; + } + + hproc = _iodbcdm_getproc (pstmt->hdbc, en_GetStmtOption); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_GetStmtOption, + (pstmt->dhstmt, fOption, pvParam)) + + return retcode; +} - switch( pstmt->state ) - { - case en_stmt_allocated: - case en_stmt_prepared: - break; - - case en_stmt_executed: - if( pstmt->prep_state ) - { - pstmt->state = en_stmt_prepared; - } - else - { - pstmt->state = en_stmt_allocated; - } - break; - - case en_stmt_cursoropen: - case en_stmt_fetched: - case en_stmt_xfetched: - if( pstmt->prep_state ) - { - pstmt->state = en_stmt_prepared; - } - else - { - pstmt->state = en_stmt_allocated; - } - break; - - case en_stmt_needdata: - case en_stmt_mustput: - case en_stmt_canput: - switch( pstmt->need_on ) - { - case en_ExecDirect: - pstmt->state = en_stmt_allocated; - break; - - case en_Execute: - pstmt->state = en_stmt_prepared; - break; - - case en_SetPos: - pstmt->state = en_stmt_xfetched; - break; - - default: - break; - } - pstmt->need_on = en_NullProc; - break; - - default: - break; - } - return retcode; +RETCODE SQL_API +SQLCancel (HSTMT hstmt) +{ + 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 argument */ + /* check state */ + + /* call driver */ + hproc = _iodbcdm_getproc (pstmt->hdbc, en_Cancel); + + if (hproc == SQL_NULL_HPROC) + { + PUSHSQLERR (pstmt->herr, en_IM001); + + return SQL_ERROR; + } + + CALL_DRIVER (pstmt->hdbc, retcode, hproc, en_Cancel, + (pstmt->dhstmt)) + + /* state transition */ + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + { + return retcode; + } + + switch (pstmt->state) + { + case en_stmt_allocated: + case en_stmt_prepared: + break; + + case en_stmt_executed: + if (pstmt->prep_state) + { + pstmt->state = en_stmt_prepared; + } + else + { + pstmt->state = en_stmt_allocated; + } + break; + + case en_stmt_cursoropen: + case en_stmt_fetched: + case en_stmt_xfetched: + if (pstmt->prep_state) + { + pstmt->state = en_stmt_prepared; + } + else + { + pstmt->state = en_stmt_allocated; + } + break; + + case en_stmt_needdata: + case en_stmt_mustput: + case en_stmt_canput: + switch (pstmt->need_on) + { + case en_ExecDirect: + pstmt->state = en_stmt_allocated; + break; + + case en_Execute: + pstmt->state = en_stmt_prepared; + break; + + case en_SetPos: + pstmt->state = en_stmt_xfetched; + break; + + default: + break; + } + pstmt->need_on = en_NullProc; + break; + + default: + break; + } + + return retcode; }