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result.c
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result.c
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/*
* result.c
*
* $Id$
*
* Prepare for getting query result
*
* 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 <sqlucode.h>
#include <unicode.h>
#include <dlproc.h>
#include <herr.h>
#include <henv.h>
#include <hdbc.h>
#include <hstmt.h>
#include <itrace.h>
static SQLRETURN
SQLBindCol_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLSMALLINT fCType,
SQLPOINTER rgbValue,
SQLLEN cbValueMax,
SQLLEN *pcbValue)
{
STMT(pstmt, hstmt);
CONN (pdbc, pstmt->hdbc);
ENVR (penv, pdbc->henv);
HPROC hproc = SQL_NULL_HPROC;
SQLSMALLINT nCType;
SQLRETURN retcode;
/* check argument */
switch (fCType)
{
case SQL_C_DEFAULT:
case SQL_C_BIT:
case SQL_C_BINARY:
case SQL_C_CHAR:
case SQL_C_DATE:
case SQL_C_DOUBLE:
case SQL_C_FLOAT:
case SQL_C_LONG:
case SQL_C_SHORT:
case SQL_C_SLONG:
case SQL_C_SSHORT:
case SQL_C_STINYINT:
case SQL_C_TIME:
case SQL_C_TIMESTAMP:
case SQL_C_TINYINT:
case SQL_C_ULONG:
case SQL_C_USHORT:
case SQL_C_UTINYINT:
#if (ODBCVER >= 0x0300)
case SQL_C_GUID:
case SQL_C_INTERVAL_DAY:
case SQL_C_INTERVAL_DAY_TO_HOUR:
case SQL_C_INTERVAL_DAY_TO_MINUTE:
case SQL_C_INTERVAL_DAY_TO_SECOND:
case SQL_C_INTERVAL_HOUR:
case SQL_C_INTERVAL_HOUR_TO_MINUTE:
case SQL_C_INTERVAL_HOUR_TO_SECOND:
case SQL_C_INTERVAL_MINUTE:
case SQL_C_INTERVAL_MINUTE_TO_SECOND:
case SQL_C_INTERVAL_MONTH:
case SQL_C_INTERVAL_SECOND:
case SQL_C_INTERVAL_YEAR:
case SQL_C_INTERVAL_YEAR_TO_MONTH:
case SQL_C_NUMERIC:
case SQL_C_SBIGINT:
case SQL_C_TYPE_DATE:
case SQL_C_TYPE_TIME:
case SQL_C_TYPE_TIMESTAMP:
case SQL_C_UBIGINT:
case SQL_C_WCHAR:
#endif
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;
}
/*
* Convert C type to ODBC version of driver
*/
nCType = _iodbcdm_map_c_type (fCType, penv->dodbc_ver);
/* call driver's function */
hproc = _iodbcdm_getproc (pstmt->hdbc, en_BindCol);
if (hproc == SQL_NULL_HPROC)
{
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
}
if (icol != 0 && !penv->unicode_driver && nCType == SQL_C_WCHAR)
{
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc,
(pstmt->dhstmt, icol, SQL_C_CHAR, rgbValue,
cbValueMax, pcbValue));
}
else
CALL_DRIVER (pstmt->hdbc, pstmt, retcode, hproc,
(pstmt->dhstmt, icol, nCType, rgbValue, cbValueMax, pcbValue));
if (icol != 0 && !penv->unicode_driver && nCType == SQL_C_WCHAR
&& SQL_SUCCEEDED (retcode))
{
BIND_t tbind;
tbind.bn_col = icol;
tbind.bn_type = nCType;
tbind.bn_data = rgbValue;
tbind.bn_size = cbValueMax;
tbind.bn_pInd = pcbValue;
if (rgbValue)
_iodbcdm_BindColumn (pstmt, &tbind);
else
_iodbcdm_UnBindColumn (pstmt, &tbind);
}
return retcode;
}
SQLRETURN SQL_API
SQLBindCol (
SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLSMALLINT fCType,
SQLPOINTER rgbValue,
SQLLEN cbValueMax,
SQLLEN *pcbValue)
{
ENTER_STMT (hstmt,
trace_SQLBindCol (TRACE_ENTER,
hstmt, icol, fCType, rgbValue, cbValueMax, pcbValue));
retcode = SQLBindCol_Internal (
hstmt, icol, fCType, rgbValue, cbValueMax, pcbValue);
LEAVE_STMT (hstmt,
trace_SQLBindCol (TRACE_LEAVE,
hstmt, icol, fCType, rgbValue, cbValueMax, pcbValue));
}
SQLRETURN SQL_API
SQLGetCursorName_Internal (
SQLHSTMT hstmt,
SQLCHAR * szCursor,
SQLSMALLINT cbCursorMax,
SQLSMALLINT * pcbCursor,
char waMode)
{
STMT(pstmt, hstmt);
CONN (pdbc, pstmt->hdbc);
ENVR (penv, pdbc->henv);
HPROC hproc = SQL_NULL_HPROC;
SQLRETURN retcode = SQL_SUCCESS;
void * cursorOut = szCursor;
void * _Cursor = NULL;
/* check argument */
if (cbCursorMax < (SWORD) 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;
}
if (pstmt->state < en_stmt_cursoropen
&& pstmt->cursor_state == en_stmt_cursor_no)
{
PUSHSQLERR (pstmt->herr, en_S1015);
return SQL_ERROR;
}
/* call driver's function */
if ((penv->unicode_driver && waMode != 'W')
|| (!penv->unicode_driver && waMode == 'W'))
{
if (waMode != 'W')
{
/* ansi=>unicode*/
if ((_Cursor = malloc((cbCursorMax + 1) * sizeof(wchar_t))) == NULL)
{
PUSHSQLERR (pstmt->herr, en_HY001);
return SQL_ERROR;
}
}
else
{
/* unicode=>ansi*/
if ((_Cursor = malloc(cbCursorMax + 1)) == NULL)
{
PUSHSQLERR (pstmt->herr, en_HY001);
return SQL_ERROR;
}
}
cursorOut = _Cursor;
}
/* call driver */
CALL_UDRIVER(pstmt->hdbc, pstmt, retcode, hproc, penv->unicode_driver,
en_GetCursorName, (
pstmt->dhstmt,
cursorOut,
cbCursorMax,
pcbCursor));
if (hproc == SQL_NULL_HPROC)
{
MEM_FREE(_Cursor);
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
}
if (szCursor
&& SQL_SUCCEEDED (retcode)
&& ((penv->unicode_driver && waMode != 'W')
|| (!penv->unicode_driver && waMode == 'W')))
{
if (waMode != 'W')
{
/* ansi<=unicode*/
dm_StrCopyOut2_W2A ((SQLWCHAR *) cursorOut, (SQLCHAR *) szCursor, cbCursorMax, NULL);
}
else
{
/* unicode<=ansi*/
dm_StrCopyOut2_A2W ((SQLCHAR *) cursorOut, (SQLWCHAR *) szCursor, cbCursorMax, NULL);
}
}
MEM_FREE(_Cursor);
return retcode;
}
SQLRETURN SQL_API
SQLGetCursorName (
SQLHSTMT hstmt,
SQLCHAR * szCursor,
SQLSMALLINT cbCursorMax,
SQLSMALLINT * pcbCursor)
{
ENTER_STMT (hstmt,
trace_SQLGetCursorName (TRACE_ENTER,
hstmt,
szCursor, cbCursorMax, pcbCursor));
retcode = SQLGetCursorName_Internal(
hstmt,
szCursor, cbCursorMax, pcbCursor,
'A');
LEAVE_STMT (hstmt,
trace_SQLGetCursorName (TRACE_LEAVE,
hstmt,
szCursor, cbCursorMax, pcbCursor));
}
#if ODBCVER >= 0x0300
SQLRETURN SQL_API
SQLGetCursorNameA (
SQLHSTMT hstmt,
SQLCHAR * szCursor,
SQLSMALLINT cbCursorMax,
SQLSMALLINT * pcbCursor)
{
ENTER_STMT (hstmt,
trace_SQLGetCursorName (TRACE_ENTER,
hstmt,
szCursor, cbCursorMax, pcbCursor));
retcode = SQLGetCursorName_Internal(
hstmt,
szCursor, cbCursorMax, pcbCursor,
'A');
LEAVE_STMT (hstmt,
trace_SQLGetCursorName (TRACE_LEAVE,
hstmt,
szCursor, cbCursorMax, pcbCursor));
}
SQLRETURN SQL_API
SQLGetCursorNameW (SQLHSTMT hstmt,
SQLWCHAR * szCursor,
SQLSMALLINT cbCursorMax,
SQLSMALLINT * pcbCursor)
{
ENTER_STMT (hstmt,
trace_SQLGetCursorNameW (TRACE_ENTER,
hstmt,
szCursor, cbCursorMax, pcbCursor));
retcode = SQLGetCursorName_Internal(
hstmt,
(SQLCHAR *) szCursor, cbCursorMax, pcbCursor,
'W');
LEAVE_STMT (hstmt,
trace_SQLGetCursorNameW (TRACE_LEAVE,
hstmt,
szCursor, cbCursorMax, pcbCursor));
}
#endif
static SQLRETURN
SQLRowCount_Internal (
SQLHSTMT hstmt,
SQLLEN * pcrow)
{
STMT(pstmt, hstmt);
HPROC hproc;
SQLRETURN retcode;
/* 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, pstmt, retcode, hproc,
(pstmt->dhstmt, pcrow));
return retcode;
}
SQLRETURN SQL_API
SQLRowCount (
SQLHSTMT hstmt,
SQLLEN * pcrow)
{
ENTER_STMT (hstmt,
trace_SQLRowCount (TRACE_ENTER, hstmt, pcrow));
retcode = SQLRowCount_Internal (hstmt, pcrow);
LEAVE_STMT (hstmt,
trace_SQLRowCount (TRACE_LEAVE, hstmt, pcrow));
}
SQLRETURN SQL_API
_iodbcdm_NumResultCols (
SQLHSTMT hstmt,
SQLSMALLINT * pccol)
{
STMT (pstmt, hstmt);
HPROC hproc;
SQLRETURN retcode;
SWORD ccol;
/* 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, pstmt, retcode, hproc,
(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;
}
SQLRETURN SQL_API
SQLNumResultCols (
SQLHSTMT hstmt,
SQLSMALLINT * pccol)
{
ENTER_STMT (hstmt,
trace_SQLNumResultCols (TRACE_ENTER, hstmt, pccol));
retcode = _iodbcdm_NumResultCols (hstmt, pccol);
LEAVE_STMT (hstmt,
trace_SQLNumResultCols (TRACE_LEAVE, hstmt, pccol));
}
SQLSMALLINT
_iodbcdm_map_sql_type (int type, int odbcver)
{
switch (type)
{
case SQL_DATE:
case SQL_TYPE_DATE:
return (odbcver == SQL_OV_ODBC3) ? SQL_TYPE_DATE : SQL_DATE;
case SQL_TIME:
case SQL_TYPE_TIME:
return (odbcver == SQL_OV_ODBC3) ? SQL_TYPE_TIME : SQL_TIME;
case SQL_TIMESTAMP:
case SQL_TYPE_TIMESTAMP:
return (odbcver == SQL_OV_ODBC3) ? SQL_TYPE_TIMESTAMP : SQL_TIMESTAMP;
}
return type;
}
SQLSMALLINT
_iodbcdm_map_c_type (int type, int odbcver)
{
switch (type)
{
case SQL_C_DATE:
case SQL_C_TYPE_DATE:
return (odbcver == SQL_OV_ODBC3) ? SQL_C_TYPE_DATE : SQL_C_DATE;
case SQL_C_TIME:
case SQL_C_TYPE_TIME:
return (odbcver == SQL_OV_ODBC3) ? SQL_C_TYPE_TIME : SQL_C_TIME;
case SQL_C_TIMESTAMP:
case SQL_C_TYPE_TIMESTAMP:
return (odbcver == SQL_OV_ODBC3) ? SQL_C_TYPE_TIMESTAMP : SQL_C_TIMESTAMP;
}
return type;
}
SQLRETURN SQL_API
SQLDescribeCol_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLPOINTER szColName,
SQLSMALLINT cbColNameMax,
SQLSMALLINT * pcbColName,
SQLSMALLINT * pfSqlType,
SQLULEN * pcbColDef,
SQLSMALLINT * pibScale,
SQLSMALLINT * pfNullable,
SQLCHAR waMode)
{
STMT(pstmt, hstmt);
CONN (pdbc, pstmt->hdbc);
ENVR (penv, pdbc->henv);
GENV (genv, pdbc->genv);
HPROC hproc = SQL_NULL_HPROC;
SQLRETURN retcode = SQL_SUCCESS;
void * _ColName = NULL;
void * colNameOut = szColName;
sqlstcode_t sqlstat = en_00000;
/* 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;
}
#if (ODBCVER < 0x0300)
/* check state */
if (pstmt->asyn_on == en_NullProc)
{
if (pstmt->state == en_stmt_allocated
|| pstmt->state >= en_stmt_needdata)
{
sqlstat = en_S1010;
}
}
else if (pstmt->asyn_on != en_DescribeCol)
{
sqlstat = en_S1010;
}
#endif
if (sqlstat != en_00000)
{
PUSHSQLERR (pstmt->herr, sqlstat);
return SQL_ERROR;
}
/* call driver */
if (szColName != NULL && cbColNameMax > 0 &&
((penv->unicode_driver && waMode != 'W') ||
(!penv->unicode_driver && waMode == 'W'))
)
{
if (waMode != 'W')
{
/* ansi=>unicode*/
if ((_ColName = _iodbcdm_alloc_param(pstmt, 0,
cbColNameMax * sizeof(wchar_t))) == NULL)
{
PUSHSQLERR (pstmt->herr, en_HY001);
return SQL_ERROR;
}
}
else
{
/* unicode=>ansi*/
if ((_ColName = _iodbcdm_alloc_param(pstmt, 0, cbColNameMax)) == NULL)
{
PUSHSQLERR (pstmt->herr, en_HY001);
return SQL_ERROR;
}
}
colNameOut = _ColName;
}
/* call driver */
CALL_UDRIVER(pstmt->hdbc, pstmt, retcode, hproc, penv->unicode_driver,
en_DescribeCol, (
pstmt->dhstmt,
icol,
colNameOut,
cbColNameMax,
pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
if (hproc == SQL_NULL_HPROC)
{
_iodbcdm_FreeStmtParams(pstmt);
PUSHSQLERR (pstmt->herr, en_IM001);
return SQL_ERROR;
}
/*
* Convert sql type to ODBC version of application
*/
if (SQL_SUCCEEDED(retcode) && pfSqlType)
*pfSqlType = _iodbcdm_map_sql_type (*pfSqlType, genv->odbc_ver);
if (szColName
&& SQL_SUCCEEDED (retcode)
&& ((penv->unicode_driver && waMode != 'W')
|| (!penv->unicode_driver && waMode == 'W')))
{
if (waMode != 'W')
{
/* ansi<=unicode*/
dm_StrCopyOut2_W2A ((SQLWCHAR *) colNameOut, (SQLCHAR *) szColName, cbColNameMax, NULL);
}
else
{
/* unicode<=ansi*/
dm_StrCopyOut2_A2W ((SQLCHAR *) colNameOut, (SQLWCHAR *) szColName, cbColNameMax, NULL);
}
}
if (retcode != SQL_STILL_EXECUTING)
_iodbcdm_FreeStmtParams(pstmt);
/* 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;
}
SQLRETURN SQL_API
SQLDescribeCol (SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLCHAR * szColName,
SQLSMALLINT cbColNameMax,
SQLSMALLINT * pcbColName,
SQLSMALLINT * pfSqlType,
SQLULEN * pcbColDef,
SQLSMALLINT * pibScale,
SQLSMALLINT * pfNullable)
{
ENTER_STMT (hstmt,
trace_SQLDescribeCol (TRACE_ENTER,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
retcode = SQLDescribeCol_Internal (
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable,
'A');
LEAVE_STMT (hstmt,
trace_SQLDescribeCol (TRACE_LEAVE,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
}
#if ODBCVER >= 0x0300
SQLRETURN SQL_API
SQLDescribeColA (SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLCHAR * szColName,
SQLSMALLINT cbColNameMax,
SQLSMALLINT * pcbColName,
SQLSMALLINT * pfSqlType,
SQLULEN * pcbColDef,
SQLSMALLINT * pibScale,
SQLSMALLINT * pfNullable)
{
ENTER_STMT (hstmt,
trace_SQLDescribeCol (TRACE_ENTER,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
retcode = SQLDescribeCol_Internal (
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable,
'A');
LEAVE_STMT (hstmt,
trace_SQLDescribeCol (TRACE_LEAVE,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
}
SQLRETURN SQL_API
SQLDescribeColW (
SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLWCHAR * szColName,
SQLSMALLINT cbColNameMax,
SQLSMALLINT * pcbColName,
SQLSMALLINT * pfSqlType,
SQLULEN * pcbColDef,
SQLSMALLINT * pibScale,
SQLSMALLINT * pfNullable)
{
ENTER_STMT (hstmt,
trace_SQLDescribeColW (TRACE_ENTER,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
retcode = SQLDescribeCol_Internal (
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable,
'W');
LEAVE_STMT (hstmt,
trace_SQLDescribeColW (TRACE_LEAVE,
hstmt,
icol,
szColName, cbColNameMax, pcbColName,
pfSqlType,
pcbColDef,
pibScale,
pfNullable));
}
#endif
SQLRETURN SQL_API
SQLColAttributes_Internal (
SQLHSTMT hstmt,
SQLUSMALLINT icol,
SQLUSMALLINT fDescType,
SQLPOINTER rgbDesc,
SQLSMALLINT cbDescMax,
SQLSMALLINT * pcbDesc,
SQLLEN * pfDesc,
SQLCHAR waMode)
{
STMT(pstmt, hstmt);
CONN (pdbc, pstmt->hdbc);
ENVR (penv, pdbc->henv);
HPROC hproc2 = SQL_NULL_HPROC;
HPROC hproc3 = SQL_NULL_HPROC;
SQLRETURN retcode = SQL_SUCCESS;
void * _Desc = NULL;
void * descOut = rgbDesc;
sqlstcode_t sqlstat = en_00000;
SQLUSMALLINT new_attr = fDescType;
SQLUINTEGER odbc_ver = ((GENV_t *) pdbc->genv)->odbc_ver;
SQLUINTEGER dodbc_ver = ((ENV_t *) pdbc->henv)->dodbc_ver;
/* check arguments */
if (icol == 0 && fDescType != SQL_COLUMN_COUNT)
{
sqlstat = en_S1002;
}
else if (cbDescMax < 0)
{
sqlstat = en_S1090;
}
#if (ODBCVER < 0x0300)
else if ( /* fDescType < SQL_COLATT_OPT_MIN || *//* turnoff warning */
(fDescType > SQL_COLATT_OPT_MAX
&& fDescType < SQL_COLUMN_DRIVER_START))
{
sqlstat = en_S1091;
}
#endif /* ODBCVER < 0x0300 */
if (sqlstat != en_00000)
{
PUSHSQLERR (pstmt->herr, sqlstat);
return SQL_ERROR;
}
/* check state */
if (pstmt->asyn_on == en_NullProc)
{
if (pstmt->state == en_stmt_allocated
|| pstmt->state >= 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 */
if (rgbDesc != NULL && cbDescMax > 0 &&
((penv->unicode_driver && waMode != 'W') ||
(!penv->unicode_driver && waMode == 'W')))
{
switch(fDescType)
{
case SQL_COLUMN_QUALIFIER_NAME:
case SQL_COLUMN_NAME:
case SQL_COLUMN_LABEL:
case SQL_COLUMN_OWNER_NAME:
case SQL_COLUMN_TABLE_NAME:
case SQL_COLUMN_TYPE_NAME: