1/*********************************************************************
2 *
3 * This is based on code created by Peter Harvey,
4 * (pharvey@codebydesign.com).
5 *
6 * Modified and extended by Nick Gorham
7 * (nick@lurcher.org).
8 *
9 * Any bugs or problems should be considered the fault of Nick and not
10 * Peter.
11 *
12 * copyright (c) 1999 Nick Gorham
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 *
28 **********************************************************************
29 *
30 * $Id: SQLNumResultCols.c,v 1.5 2009/02/18 17:59:08 lurcher Exp $
31 *
32 * $Log: SQLNumResultCols.c,v $
33 * Revision 1.5 2009/02/18 17:59:08 lurcher
34 * Shift to using config.h, the compile lines were making it hard to spot warnings
35 *
36 * Revision 1.4 2007/01/02 10:27:50 lurcher
37 * Fix descriptor leak with unicode only driver
38 *
39 * Revision 1.3 2003/10/30 18:20:46 lurcher
40 *
41 * Fix broken thread protection
42 * Remove SQLNumResultCols after execute, lease S4/S% to driver
43 * Fix string overrun in SQLDriverConnect
44 * Add initial support for Interix
45 *
46 * Revision 1.2 2002/12/05 17:44:31 lurcher
47 *
48 * Display unknown return values in return logging
49 *
50 * Revision 1.1.1.1 2001/10/17 16:40:06 lurcher
51 *
52 * First upload to SourceForge
53 *
54 * Revision 1.3 2001/07/03 09:30:41 nick
55 *
56 * Add ability to alter size of displayed message in the log
57 *
58 * Revision 1.2 2001/04/12 17:43:36 nick
59 *
60 * Change logging and added autotest to odbctest
61 *
62 * Revision 1.1.1.1 2000/09/04 16:42:52 nick
63 * Imported Sources
64 *
65 * Revision 1.8 1999/11/13 23:41:00 ngorham
66 *
67 * Alter the way DM logging works
68 * Upgrade the Postgres driver to 6.4.6
69 *
70 * Revision 1.7 1999/10/24 23:54:18 ngorham
71 *
72 * First part of the changes to the error reporting
73 *
74 * Revision 1.6 1999/10/14 06:49:24 ngorham
75 *
76 * Remove @all_includes@ from Drivers/MiniSQL/Makefile.am
77 *
78 * Revision 1.5 1999/09/21 22:34:25 ngorham
79 *
80 * Improve performance by removing unneeded logging calls when logging is
81 * disabled
82 *
83 * Revision 1.4 1999/07/10 21:10:16 ngorham
84 *
85 * Adjust error sqlstate from driver manager, depending on requested
86 * version (ODBC2/3)
87 *
88 * Revision 1.3 1999/07/04 21:05:08 ngorham
89 *
90 * Add LGPL Headers to code
91 *
92 * Revision 1.2 1999/06/30 23:56:55 ngorham
93 *
94 * Add initial thread safety code
95 *
96 * Revision 1.1.1.1 1999/05/29 13:41:08 sShandyb
97 * first go at it
98 *
99 * Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
100 * Imported sources
101 *
102 * Revision 1.4 1999/05/03 19:50:43 nick
103 * Another check point
104 *
105 * Revision 1.3 1999/04/30 16:22:47 nick
106 * Another checkpoint
107 *
108 * Revision 1.2 1999/04/29 20:47:37 nick
109 * Another checkpoint
110 *
111 * Revision 1.1 1999/04/25 23:06:11 nick
112 * Initial revision
113 *
114 *
115 **********************************************************************/
116
117#include <config.h>
118#include "drivermanager.h"
119
120static char const rcsid[]= "$RCSfile: SQLNumResultCols.c,v $ $Revision: 1.5 $";
121
122SQLRETURN SQLNumResultCols( SQLHSTMT statement_handle,
123 SQLSMALLINT *column_count )
124{
125 DMHSTMT statement = (DMHSTMT) statement_handle;
126 SQLRETURN ret;
127 SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
128 SQLCHAR s2[ 100 + LOG_MESSAGE_LEN ];
129
130 /*
131 * check statement
132 */
133
134 if ( !__validate_stmt( statement ))
135 {
136 dm_log_write( __FILE__,
137 __LINE__,
138 LOG_INFO,
139 LOG_INFO,
140 "Error: SQL_INVALID_HANDLE" );
141
142 return SQL_INVALID_HANDLE;
143 }
144
145 function_entry( statement );
146
147 if ( log_info.log_flag )
148 {
149 sprintf( statement -> msg, "\n\t\tEntry:\
150\n\t\t\tStatement = %p\
151\n\t\t\tColumn Count = %p",
152 statement,
153 column_count );
154
155 dm_log_write( __FILE__,
156 __LINE__,
157 LOG_INFO,
158 LOG_INFO,
159 statement -> msg );
160 }
161
162 thread_protect( SQL_HANDLE_STMT, statement );
163
164 /*
165 * check states
166 */
167
168 if ( statement -> state == STATE_S1 ||
169 statement -> state == STATE_S8 ||
170 statement -> state == STATE_S9 ||
171 statement -> state == STATE_S10 ||
172 statement -> state == STATE_S13 ||
173 statement -> state == STATE_S14 ||
174 statement -> state == STATE_S15 )
175 {
176 dm_log_write( __FILE__,
177 __LINE__,
178 LOG_INFO,
179 LOG_INFO,
180 "Error: HY010" );
181
182 __post_internal_error( &statement -> error,
183 ERROR_HY010, NULL,
184 statement -> connection -> environment -> requested_version );
185
186 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
187 }
188
189 if ( statement -> state == STATE_S11 ||
190 statement -> state == STATE_S12 )
191 {
192 if ( statement -> interupted_func != SQL_API_SQLNUMRESULTCOLS )
193 {
194 dm_log_write( __FILE__,
195 __LINE__,
196 LOG_INFO,
197 LOG_INFO,
198 "Error: HY010" );
199
200 __post_internal_error( &statement -> error,
201 ERROR_HY010, NULL,
202 statement -> connection -> environment -> requested_version );
203
204 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
205 }
206 }
207
208 if ( !CHECK_SQLNUMRESULTCOLS( statement -> connection ))
209 {
210 dm_log_write( __FILE__,
211 __LINE__,
212 LOG_INFO,
213 LOG_INFO,
214 "Error: IM001" );
215
216 __post_internal_error( &statement -> error,
217 ERROR_IM001, NULL,
218 statement -> connection -> environment -> requested_version );
219
220 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
221 }
222
223 ret = SQLNUMRESULTCOLS( statement -> connection,
224 statement -> driver_stmt,
225 column_count );
226
227 if ( ret == SQL_STILL_EXECUTING )
228 {
229 statement -> interupted_func = SQL_API_SQLNUMRESULTCOLS;
230 if ( statement -> state != STATE_S11 &&
231 statement -> state != STATE_S12 )
232 statement -> state = STATE_S11;
233 }
234
235 if ( log_info.log_flag )
236 {
237 if ( SQL_SUCCEEDED( ret )) {
238 sprintf( statement -> msg,
239 "\n\t\tExit:[%s]\
240\n\t\t\tCount = %s",
241 __get_return_status( ret, s2 ),
242 __sptr_as_string( s1, column_count ));
243 }
244 else {
245 sprintf( statement -> msg,
246 "\n\t\tExit:[%s]",
247 __get_return_status( ret, s2 ));
248 }
249
250 dm_log_write( __FILE__,
251 __LINE__,
252 LOG_INFO,
253 LOG_INFO,
254 statement -> msg );
255 }
256
257 return function_return( SQL_HANDLE_STMT, statement, ret );
258}
259