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1413 lines (1196 loc) · 30 KB
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/*
* hstmt.c
*
* $Id: hstmt.c,v 1.25 2006/01/20 15:58:34 source Exp $
*
* Query statement object management functions
*
* The iODBC driver manager.
*
* Copyright (C) 1995 by Ke Jin <kejin@empress.com>
* Copyright (C) 1996-2006 by OpenLink Software <iodbc@openlinksw.com>
* All Rights Reserved.
*
* This software is released under the terms of either of the following
* licenses:
*
* - GNU Library General Public License (see LICENSE.LGPL)
* - The BSD License (see LICENSE.BSD).
*
* Note that the only valid version of the LGPL license as far as this
* project is concerned is the original GNU Library General Public License
* Version 2, dated June 1991.
*
* While not mandated by the BSD license, any patches you make to the
* iODBC source code may be contributed back into the iODBC project
* at your discretion. Contributions will benefit the Open Source and
* Data Access community as a whole. Submissions may be made at:
*
* http://www.iodbc.org
*
*
* GNU Library Generic Public License Version 2
* ============================================
* 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; only
* Version 2 of the License dated June 1991.
*
* 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
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
* The BSD License
* ===============
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of OpenLink Software Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL OPENLINK OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iodbc.h>
#include <sql.h>
#include <sqlext.h>
#include <unicode.h>
#include <dlproc.h>
#include <herr.h>
#if (ODBCVER >= 0x0300)
#include <hdesc.h>
#endif
#include <henv.h>
#include <hdbc.h>
#include <hstmt.h>
#include <itrace.h>
#if (ODBCVER >= 0x300)
static const SQLINTEGER desc_attrs[4] =
{
SQL_ATTR_APP_ROW_DESC,
SQL_ATTR_APP_PARAM_DESC,
SQL_ATTR_IMP_ROW_DESC,
SQL_ATTR_IMP_PARAM_DESC
};
#endif
SQLRETURN
SQLAllocStmt_Internal (
SQLHDBC hdbc,
SQLHSTMT * phstmt)
{
CONN (pdbc, hdbc);
STMT (pstmt, NULL);
HPROC hproc = SQL_NULL_HPROC;
SQLRETURN retcode = SQL_SUCCESS;
int i;
if (phstmt == NULL)
{
PUSHSQLERR (pdbc->herr, en_S1009);
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;
}
pstmt = (STMT_t *) MEM_ALLOC (sizeof (STMT_t));
if (pstmt == NULL)
{
PUSHSQLERR (pdbc->herr, en_S1001);
*phstmt = SQL_NULL_HSTMT;
return SQL_ERROR;
}
pstmt->rc = 0;
/*
* Initialize this handle
*/
pstmt->type = SQL_HANDLE_STMT;
/* initiate the object */
pstmt->herr = SQL_NULL_HERR;
pstmt->hdbc = (HSTMT) 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;
pstmt->stmt_cip = 0;
pstmt->err_rec = 0;
memset (pstmt->params, 0, sizeof (PARAM_t) * STMT_PARAMS_MAX);
pstmt->params_inserted = 0;
/* call driver's function */
pstmt->rowset_size = 1;
pstmt->bind_type = SQL_BIND_BY_COLUMN;
pstmt->st_pbinding = NULL;
#if (ODBCVER >= 0x0300)
pstmt->row_array_size = 1;
pstmt->fetch_bookmark_ptr = NULL;
pstmt->params_processed_ptr = NULL;
pstmt->paramset_size = 0;
pstmt->rows_fetched_ptr = NULL;
if (((ENV_t *) ((DBC_t *) pstmt->hdbc)->henv)->dodbc_ver == SQL_OV_ODBC2 &&
((GENV_t *) ((DBC_t *) pstmt->hdbc)->genv)->odbc_ver == SQL_OV_ODBC3)
{ /* if it's a odbc3 app calling odbc2 driver */
pstmt->row_status_ptr =
MEM_ALLOC (sizeof (SQLUINTEGER) * pstmt->row_array_size);
if (!pstmt->row_status_ptr)
{
PUSHSQLERR (pstmt->herr, en_HY001);
*phstmt = SQL_NULL_HSTMT;
pstmt->type = 0;
MEM_FREE (pstmt);
return SQL_ERROR;
}
pstmt->row_status_allocated = SQL_TRUE;
}
else
{
pstmt->row_status_ptr = NULL;
pstmt->row_status_allocated = SQL_FALSE;
}
hproc = _iodbcdm_getproc (pdbc, en_AllocHandle);
if (hproc)
{
CALL_DRIVER (pstmt->hdbc, pdbc, retcode, hproc, en_AllocHandle,
(SQL_HANDLE_STMT, pdbc->dhdbc, &(pstmt->dhstmt)));
}
else
#endif
{
hproc = _iodbcdm_getproc (pdbc, en_AllocStmt);
if (hproc == SQL_NULL_HPROC)
{
PUSHSQLERR (pstmt->herr, en_IM001);
*phstmt = SQL_NULL_HSTMT;
pstmt->type = 0;
MEM_FREE (pstmt);
return SQL_ERROR;
}
CALL_DRIVER (hdbc, pdbc, retcode, hproc, en_AllocStmt,
(pdbc->dhdbc, &(pstmt->dhstmt)));
}
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
*phstmt = SQL_NULL_HSTMT;
pstmt->type = 0;
MEM_FREE (pstmt);
return retcode;
}
#if (ODBCVER >= 0x0300)
/* get the descriptors */
memset (&pstmt->imp_desc, 0, sizeof (pstmt->imp_desc));
memset (&pstmt->desc, 0, sizeof (pstmt->desc));
if (((ENV_t *) pdbc->henv)->dodbc_ver == SQL_OV_ODBC2)
{
/*
* this is an ODBC2 driver - so alloc dummy implicit desc handles
* (dhdesc = NULL)
*/
for (i = 0; i < 4; i++)
{
pstmt->imp_desc[i] = (DESC_t *) MEM_ALLOC (sizeof (DESC_t));
if (pstmt->imp_desc[i] == NULL)
{
PUSHSQLERR (pdbc->herr, en_HY001);
goto alloc_stmt_failed;
}
memset (pstmt->imp_desc[i], 0, sizeof (DESC_t));
pstmt->imp_desc[i]->type = SQL_HANDLE_DESC;
pstmt->imp_desc[i]->hstmt = pstmt;
pstmt->imp_desc[i]->dhdesc = NULL;
pstmt->imp_desc[i]->hdbc = hdbc;
pstmt->imp_desc[i]->herr = NULL;
}
}
else
{ /* the ODBC3 driver */
if (((ENV_t *) pdbc->henv)->unicode_driver)
hproc = _iodbcdm_getproc (pdbc, en_GetStmtAttrW);
else
hproc = _iodbcdm_getproc (pdbc, en_GetStmtAttr);
if (hproc == SQL_NULL_HPROC)
{ /* with no GetStmtAttr ! */
PUSHSQLERR (pdbc->herr, en_HYC00);
goto alloc_stmt_failed;
}
else
{ /* get the implicit descriptors */
RETCODE rc1;
for (i = 0; i < 4; i++)
{
int desc_type = 0;
switch (i)
{
case APP_ROW_DESC:
desc_type = SQL_ATTR_APP_ROW_DESC;
break;
case APP_PARAM_DESC:
desc_type = SQL_ATTR_APP_PARAM_DESC;
break;
case IMP_ROW_DESC:
desc_type = SQL_ATTR_IMP_ROW_DESC;
break;
case IMP_PARAM_DESC:
desc_type = SQL_ATTR_IMP_PARAM_DESC;
break;
}
pstmt->imp_desc[i] = (DESC_t *) MEM_ALLOC (sizeof (DESC_t));
if (pstmt->imp_desc[i] == NULL)
{ /* memory allocation error */
PUSHSQLERR (pdbc->herr, en_HY001);
goto alloc_stmt_failed;
}
memset (pstmt->imp_desc[i], 0, sizeof (DESC_t));
pstmt->imp_desc[i]->type = SQL_HANDLE_DESC;
pstmt->imp_desc[i]->hdbc = hdbc;
pstmt->imp_desc[i]->hstmt = *phstmt;
pstmt->imp_desc[i]->herr = NULL;
CALL_DRIVER (hdbc, pstmt, rc1, hproc, en_GetStmtAttr,
(pstmt->dhstmt, desc_type, &pstmt->imp_desc[i]->dhdesc, 0,
NULL));
if (rc1 != SQL_SUCCESS && rc1 != SQL_SUCCESS_WITH_INFO)
{ /* no descriptor returned from the driver */
pdbc->rc = SQL_ERROR;
goto alloc_stmt_failed;
}
}
}
}
#endif
/* insert into list */
pstmt->next = (STMT_t *) pdbc->hstmt;
pdbc->hstmt = pstmt;
*phstmt = (SQLHSTMT) pstmt;
/* state transition */
pdbc->state = en_dbc_hstmt;
return SQL_SUCCESS;
/*
* If statement allocation has failed, we need to make sure the driver
* handle is also destroyed
*/
alloc_stmt_failed:
/*
* Deallocate any descriptors
*/
for (i = 0; i < 4; i++)
{
if (pstmt->imp_desc[i])
{
pstmt->imp_desc[i]->type = 0;
MEM_FREE (pstmt->imp_desc[i]);
}
}
/*
* Tell the driver to remove the statement handle
*/
hproc = SQL_NULL_HPROC;
#if (ODBCVER >= 0x0300)
hproc = _iodbcdm_getproc (pstmt->hdbc, en_FreeHandle);
if (hproc)
{
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_FreeHandle,
(SQL_HANDLE_STMT, pstmt->dhstmt));
}
else
#endif
{
hproc = _iodbcdm_getproc (pstmt->hdbc, en_FreeStmt);
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_FreeStmt,
(pstmt->dhstmt, SQL_DROP));
}
/*
* Invalidate and free the statement handle
*/
pstmt->type = 0;
MEM_FREE (pstmt);
return SQL_ERROR;
}
SQLRETURN SQL_API
SQLAllocStmt (
SQLHDBC hdbc,
SQLHSTMT * phstmt)
{
ENTER_HDBC (hdbc, 1,
trace_SQLAllocStmt (TRACE_ENTER, hdbc, phstmt));
retcode = SQLAllocStmt_Internal (hdbc, phstmt);
LEAVE_HDBC (hdbc, 1,
trace_SQLAllocStmt (TRACE_LEAVE, hdbc, phstmt));
}
SQLRETURN
_iodbcdm_dropstmt (HSTMT hstmt)
{
STMT (pstmt, hstmt);
STMT (tpstmt, NULL);
CONN (pdbc, NULL);
if (!IS_VALID_HSTMT (pstmt))
{
return SQL_INVALID_HANDLE;
}
CLEAR_ERRORS (pstmt);
pdbc = (DBC_t *) (pstmt->hdbc);
for (tpstmt = (STMT_t *) 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;
}
#if (ODBCVER >= 0x0300)
if (pstmt->row_status_allocated == SQL_TRUE && pstmt->row_status_ptr)
MEM_FREE(pstmt->row_status_ptr);
/* drop the implicit descriptors */
if (pstmt->imp_desc[0])
{
int i;
for (i = 0; i < 4; i++)
{
_iodbcdm_freesqlerrlist (pstmt->imp_desc[i]->herr);
pstmt->imp_desc[i]->type = 0;
MEM_FREE(pstmt->imp_desc[i]);
}
}
#endif
if (pstmt->params_inserted > 0)
_iodbcdm_FreeStmtParams(pstmt);
/*
* Invalidate this handle
*/
pstmt->type = 0;
MEM_FREE (pstmt);
return SQL_SUCCESS;
}
SQLRETURN
SQLFreeStmt_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT fOption)
{
STMT (pstmt, hstmt);
CONN (pdbc, NULL);
HPROC hproc = SQL_NULL_HPROC;
SQLRETURN retcode = SQL_SUCCESS;
pdbc = (DBC_t *) (pstmt->hdbc);
/* check option */
switch (fOption)
{
case SQL_DROP:
case SQL_CLOSE:
case SQL_UNBIND:
case SQL_RESET_PARAMS:
break;
default:
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);
return SQL_ERROR;
}
hproc = SQL_NULL_HPROC;
#if (ODBCVER >= 0x0300)
if (fOption == SQL_DROP)
{
hproc = _iodbcdm_getproc (pstmt->hdbc, en_FreeHandle);
if (hproc)
{
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_FreeHandle,
(SQL_HANDLE_STMT, pstmt->dhstmt));
}
}
#endif
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, pstmt, 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:
/* delete this object (ignore return) */
_iodbcdm_RemoveBind (pstmt);
#if 0
_iodbcdm_dropstmt (pstmt); /* Delayed until last moment */
#endif
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_with_info:
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:
_iodbcdm_RemoveBind (pstmt);
break;
case SQL_RESET_PARAMS:
default:
break;
}
return retcode;
}
SQLRETURN SQL_API
SQLFreeStmt (
SQLHSTMT hstmt,
SQLUSMALLINT fOption)
{
ENTER_STMT (hstmt,
trace_SQLFreeStmt (TRACE_ENTER, hstmt, fOption));
retcode = SQLFreeStmt_Internal (hstmt, fOption);
LEAVE_STMT (hstmt,
trace_SQLFreeStmt (TRACE_LEAVE, hstmt, fOption);
if (fOption == SQL_DROP)
_iodbcdm_dropstmt (hstmt);
);
}
static SQLRETURN
SQLSetStmtOption_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLUINTEGER vParam)
{
STMT (pstmt, hstmt);
HPROC hproc;
sqlstcode_t sqlstat = en_00000;
SQLRETURN retcode;
#if (ODBCVER < 0x0300)
/* check option */
if ( /* fOption < SQL_STMT_OPT_MIN || */
fOption > SQL_STMT_OPT_MAX)
{
PUSHSQLERR (pstmt->herr, en_S1092);
return SQL_ERROR;
}
#endif /* ODBCVER < 0x0300 */
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_with_info:
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;
}
#if (ODBCVER >= 0x0300)
hproc = _iodbcdm_getproc (pstmt->hdbc, en_SetStmtAttr);
if (hproc != SQL_NULL_HPROC)
{
switch (fOption)
{
/* ODBC integer attributes */
case SQL_ATTR_ASYNC_ENABLE:
case SQL_ATTR_CONCURRENCY:
case SQL_ATTR_CURSOR_TYPE:
case SQL_ATTR_KEYSET_SIZE:
case SQL_ATTR_MAX_LENGTH:
case SQL_ATTR_MAX_ROWS:
case SQL_ATTR_NOSCAN:
case SQL_ATTR_QUERY_TIMEOUT:
case SQL_ATTR_RETRIEVE_DATA:
case SQL_ATTR_ROW_BIND_TYPE:
case SQL_ATTR_ROW_NUMBER:
case SQL_ATTR_SIMULATE_CURSOR:
case SQL_ATTR_USE_BOOKMARKS:
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_SetStmtAttr,
(pstmt->dhstmt, fOption, vParam, 0));
break;
/* ODBC3 attributes */
case SQL_ATTR_APP_PARAM_DESC:
case SQL_ATTR_APP_ROW_DESC:
case SQL_ATTR_CURSOR_SCROLLABLE:
case SQL_ATTR_CURSOR_SENSITIVITY:
case SQL_ATTR_ENABLE_AUTO_IPD:
case SQL_ATTR_FETCH_BOOKMARK_PTR:
case SQL_ATTR_IMP_PARAM_DESC:
case SQL_ATTR_IMP_ROW_DESC:
case SQL_ATTR_METADATA_ID:
case SQL_ATTR_PARAM_BIND_OFFSET_PTR:
case SQL_ATTR_PARAM_BIND_TYPE:
case SQL_ATTR_PARAM_STATUS_PTR:
case SQL_ATTR_PARAMS_PROCESSED_PTR:
case SQL_ATTR_PARAMSET_SIZE:
case SQL_ATTR_ROW_ARRAY_SIZE:
case SQL_ATTR_ROW_BIND_OFFSET_PTR:
case SQL_ATTR_ROW_OPERATION_PTR:
case SQL_ATTR_ROW_STATUS_PTR:
case SQL_ATTR_ROWS_FETCHED_PTR:
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
default:
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_SetStmtAttr,
(pstmt->dhstmt, fOption, vParam, SQL_NTS));
}
}
else
#endif
{
hproc = _iodbcdm_getproc (pstmt->hdbc, en_SetStmtOption);
if (hproc == SQL_NULL_HPROC)
{
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
}
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_SetStmtOption,
(pstmt->dhstmt, fOption, vParam));
}
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
if (fOption == SQL_ROWSET_SIZE || fOption == SQL_ATTR_ROW_ARRAY_SIZE)
{
pstmt->rowset_size = vParam;
if (retcode == SQL_SUCCESS_WITH_INFO)
{
SQLUINTEGER data;
if (SQLGetStmtOption_Internal (hstmt, SQL_ROWSET_SIZE, &data)
== SQL_SUCCESS)
pstmt->rowset_size = data;
}
}
if (fOption == SQL_BIND_TYPE)
pstmt->bind_type = vParam;
}
return retcode;
}
SQLRETURN SQL_API
SQLSetStmtOption (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLULEN vParam)
{
ENTER_STMT (hstmt,
trace_SQLSetStmtOption (TRACE_ENTER, hstmt, fOption, vParam));
retcode = SQLSetStmtOption_Internal (hstmt, fOption, vParam);
LEAVE_STMT (hstmt,
trace_SQLSetStmtOption (TRACE_LEAVE, hstmt, fOption, vParam));
}
#if ODBCVER >= 0x0300
SQLRETURN SQL_API
SQLSetStmtOptionA (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLULEN vParam)
{
ENTER_STMT (hstmt,
trace_SQLSetStmtOption (TRACE_ENTER, hstmt, fOption, vParam));
retcode = SQLSetStmtOption_Internal (hstmt, fOption, vParam);
LEAVE_STMT (hstmt,
trace_SQLSetStmtOption (TRACE_LEAVE, hstmt, fOption, vParam));
}
#endif
SQLRETURN
SQLGetStmtOption_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLPOINTER pvParam)
{
STMT (pstmt, hstmt);
HPROC hproc;
sqlstcode_t sqlstat = en_00000;
SQLRETURN retcode;
#if (ODBCVER < 0x0300)
/* check option */
if ( /* fOption < SQL_STMT_OPT_MIN || */
fOption > SQL_STMT_OPT_MAX)
{
PUSHSQLERR (pstmt->herr, en_S1092);
return SQL_ERROR;
}
#endif /* ODBCVER < 0x0300 */
/* 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_with_info:
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;
}
#if (ODBCVER >= 0x0300)
hproc = _iodbcdm_getproc (pstmt->hdbc, en_GetStmtAttr);
if (hproc != SQL_NULL_HPROC)
{
switch (fOption)
{
/* ODBC integer attributes */
case SQL_ATTR_ASYNC_ENABLE:
case SQL_ATTR_CONCURRENCY:
case SQL_ATTR_CURSOR_TYPE:
case SQL_ATTR_KEYSET_SIZE:
case SQL_ATTR_MAX_LENGTH:
case SQL_ATTR_MAX_ROWS:
case SQL_ATTR_NOSCAN:
case SQL_ATTR_QUERY_TIMEOUT:
case SQL_ATTR_RETRIEVE_DATA:
case SQL_ATTR_ROW_BIND_TYPE:
case SQL_ATTR_ROW_NUMBER:
case SQL_ATTR_SIMULATE_CURSOR:
case SQL_ATTR_USE_BOOKMARKS:
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_GetStmtAttr,
(pstmt->dhstmt, fOption, pvParam, 0, NULL));
break;
/* ODBC3 attributes */
case SQL_ATTR_APP_PARAM_DESC:
case SQL_ATTR_APP_ROW_DESC:
case SQL_ATTR_CURSOR_SCROLLABLE:
case SQL_ATTR_CURSOR_SENSITIVITY:
case SQL_ATTR_ENABLE_AUTO_IPD:
case SQL_ATTR_FETCH_BOOKMARK_PTR:
case SQL_ATTR_IMP_PARAM_DESC:
case SQL_ATTR_IMP_ROW_DESC:
case SQL_ATTR_METADATA_ID:
case SQL_ATTR_PARAM_BIND_OFFSET_PTR:
case SQL_ATTR_PARAM_BIND_TYPE:
case SQL_ATTR_PARAM_STATUS_PTR:
case SQL_ATTR_PARAMS_PROCESSED_PTR:
case SQL_ATTR_PARAMSET_SIZE:
case SQL_ATTR_ROW_ARRAY_SIZE:
case SQL_ATTR_ROW_BIND_OFFSET_PTR:
case SQL_ATTR_ROW_OPERATION_PTR:
case SQL_ATTR_ROW_STATUS_PTR:
case SQL_ATTR_ROWS_FETCHED_PTR:
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
default:
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_GetStmtAttr,
(pstmt->dhstmt, fOption, pvParam, SQL_MAX_OPTION_STRING_LENGTH,
NULL));
break;
}
}
else
#endif
{
hproc = _iodbcdm_getproc (pstmt->hdbc, en_GetStmtOption);
if (hproc == SQL_NULL_HPROC)
{
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
}
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc, en_GetStmtOption,
(pstmt->dhstmt, fOption, pvParam));
}
return retcode;
}
SQLRETURN SQL_API
SQLGetStmtOption (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLPOINTER pvParam)
{
ENTER_STMT (hstmt,
trace_SQLGetStmtOption (TRACE_ENTER, hstmt, fOption, pvParam));
retcode = SQLGetStmtOption_Internal (hstmt, fOption, pvParam);
LEAVE_STMT (hstmt,
trace_SQLGetStmtOption (TRACE_LEAVE, hstmt, fOption, pvParam));
}
#if ODBCVER >= 0x0300
SQLRETURN SQL_API
SQLGetStmtOptionA (
SQLHSTMT hstmt,
SQLUSMALLINT fOption,
SQLPOINTER pvParam)
{
ENTER_STMT (hstmt,
trace_SQLGetStmtOption (TRACE_ENTER, hstmt, fOption, pvParam));
retcode = SQLGetStmtOption_Internal (hstmt, fOption, pvParam);
LEAVE_STMT (hstmt,
trace_SQLGetStmtOption (TRACE_LEAVE, hstmt, fOption, pvParam));
}
#endif
static SQLRETURN
SQLCancel_Internal (SQLHSTMT hstmt)
{
STMT (pstmt, hstmt);
HPROC hproc;
SQLRETURN retcode;
/* check argument */
/* check state */