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: SQLForeignKeys.c,v 1.7 2009/02/18 17:59:08 lurcher Exp $
31 *
32 * $Log: SQLForeignKeys.c,v $
33 * Revision 1.7 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 1.6 2004/01/12 09:54:39 lurcher
37 *
38 * Fix problem where STATE_S5 stops metadata calls
39 *
40 * Revision 1.5 2003/10/30 18:20:45 lurcher
41 *
42 * Fix broken thread protection
43 * Remove SQLNumResultCols after execute, lease S4/S% to driver
44 * Fix string overrun in SQLDriverConnect
45 * Add initial support for Interix
46 *
47 * Revision 1.4 2003/02/27 12:19:39 lurcher
48 *
49 * Add the A functions as well as the W
50 *
51 * Revision 1.3 2002/12/05 17:44:30 lurcher
52 *
53 * Display unknown return values in return logging
54 *
55 * Revision 1.2 2002/07/24 08:49:52 lurcher
56 *
57 * Alter UNICODE support to use iconv for UNICODE-ANSI conversion
58 *
59 * Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
60 *
61 * First upload to SourceForge
62 *
63 * Revision 1.4 2001/07/03 09:30:41 nick
64 *
65 * Add ability to alter size of displayed message in the log
66 *
67 * Revision 1.3 2001/04/12 17:43:36 nick
68 *
69 * Change logging and added autotest to odbctest
70 *
71 * Revision 1.2 2000/12/31 20:30:54 nick
72 *
73 * Add UNICODE support
74 *
75 * Revision 1.1.1.1 2000/09/04 16:42:52 nick
76 * Imported Sources
77 *
78 * Revision 1.9 2000/06/20 12:44:00 ngorham
79 *
80 * Fix bug that caused a success with info message from SQLExecute or
81 * SQLExecDirect to be lost if used with a ODBC 3 driver and the application
82 * called SQLGetDiagRec
83 *
84 * Revision 1.8 2000/06/16 16:52:18 ngorham
85 *
86 * Stop info messages being lost when calling SQLExecute etc on ODBC 3
87 * drivers, the SQLNumResultCols were clearing the error before
88 * function return had a chance to get to them
89 *
90 * Revision 1.7 1999/11/13 23:40:59 ngorham
91 *
92 * Alter the way DM logging works
93 * Upgrade the Postgres driver to 6.4.6
94 *
95 * Revision 1.6 1999/10/24 23:54:18 ngorham
96 *
97 * First part of the changes to the error reporting
98 *
99 * Revision 1.5 1999/09/21 22:34:24 ngorham
100 *
101 * Improve performance by removing unneeded logging calls when logging is
102 * disabled
103 *
104 * Revision 1.4 1999/07/10 21:10:16 ngorham
105 *
106 * Adjust error sqlstate from driver manager, depending on requested
107 * version (ODBC2/3)
108 *
109 * Revision 1.3 1999/07/04 21:05:07 ngorham
110 *
111 * Add LGPL Headers to code
112 *
113 * Revision 1.2 1999/06/30 23:56:54 ngorham
114 *
115 * Add initial thread safety code
116 *
117 * Revision 1.1.1.1 1999/05/29 13:41:07 sShandyb
118 * first go at it
119 *
120 * Revision 1.1.1.1 1999/05/27 18:23:17 pharvey
121 * Imported sources
122 *
123 * Revision 1.3 1999/05/03 19:50:43 nick
124 * Another check point
125 *
126 * Revision 1.2 1999/04/30 16:22:47 nick
127 * Another checkpoint
128 *
129 * Revision 1.1 1999/04/25 23:06:11 nick
130 * Initial revision
131 *
132 *
133 **********************************************************************/
134
135#include <config.h>
136#include "drivermanager.h"
137
138static char const rcsid[]= "$RCSfile: SQLForeignKeys.c,v $ $Revision: 1.7 $";
139
140SQLRETURN SQLForeignKeysA(
141 SQLHSTMT statement_handle,
142 SQLCHAR *szpk_catalog_name,
143 SQLSMALLINT cbpk_catalog_name,
144 SQLCHAR *szpk_schema_name,
145 SQLSMALLINT cbpk_schema_name,
146 SQLCHAR *szpk_table_name,
147 SQLSMALLINT cbpk_table_name,
148 SQLCHAR *szfk_catalog_name,
149 SQLSMALLINT cbfk_catalog_name,
150 SQLCHAR *szfk_schema_name,
151 SQLSMALLINT cbfk_schema_name,
152 SQLCHAR *szfk_table_name,
153 SQLSMALLINT cbfk_table_name )
154{
155 return SQLForeignKeys( statement_handle,
156 szpk_catalog_name,
157 cbpk_catalog_name,
158 szpk_schema_name,
159 cbpk_schema_name,
160 szpk_table_name,
161 cbpk_table_name,
162 szfk_catalog_name,
163 cbfk_catalog_name,
164 szfk_schema_name,
165 cbfk_schema_name,
166 szfk_table_name,
167 cbfk_table_name );
168}
169
170SQLRETURN SQLForeignKeys(
171 SQLHSTMT statement_handle,
172 SQLCHAR *szpk_catalog_name,
173 SQLSMALLINT cbpk_catalog_name,
174 SQLCHAR *szpk_schema_name,
175 SQLSMALLINT cbpk_schema_name,
176 SQLCHAR *szpk_table_name,
177 SQLSMALLINT cbpk_table_name,
178 SQLCHAR *szfk_catalog_name,
179 SQLSMALLINT cbfk_catalog_name,
180 SQLCHAR *szfk_schema_name,
181 SQLSMALLINT cbfk_schema_name,
182 SQLCHAR *szfk_table_name,
183 SQLSMALLINT cbfk_table_name )
184{
185 DMHSTMT statement = (DMHSTMT) statement_handle;
186 SQLRETURN ret;
187 SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ], s2[ 100 + LOG_MESSAGE_LEN ], s3[ 100 + LOG_MESSAGE_LEN ], s4[ 100 + LOG_MESSAGE_LEN ];
188 SQLCHAR s5[ 100 + LOG_MESSAGE_LEN ], s6[ 100 + LOG_MESSAGE_LEN ];
189
190 /*
191 * check statement
192 */
193
194 if ( !__validate_stmt( statement ))
195 {
196 dm_log_write( __FILE__,
197 __LINE__,
198 LOG_INFO,
199 LOG_INFO,
200 "Error: SQL_INVALID_HANDLE" );
201
202 return SQL_INVALID_HANDLE;
203 }
204
205 function_entry( statement );
206
207 if ( log_info.log_flag )
208 {
209 sprintf( statement -> msg, "\n\t\tEntry:\
210\n\t\t\tStatement = %p\
211\n\t\t\tPK Catalog Name = %s\
212\n\t\t\tPK Schema Name = %s\
213\n\t\t\tPK Table Name = %s\
214\n\t\t\tFK Catalog Name = %s\
215\n\t\t\tFK Schema Name = %s\
216\n\t\t\tFK Table Name = %s",
217 statement,
218 __string_with_length( s1, szpk_catalog_name, cbpk_catalog_name ),
219 __string_with_length( s2, szpk_schema_name, cbpk_schema_name ),
220 __string_with_length( s3, szpk_table_name, cbpk_table_name ),
221 __string_with_length( s4, szfk_catalog_name, cbfk_catalog_name ),
222 __string_with_length( s5, szfk_schema_name, cbfk_schema_name ),
223 __string_with_length( s6, szfk_table_name, cbfk_table_name ));
224
225 dm_log_write( __FILE__,
226 __LINE__,
227 LOG_INFO,
228 LOG_INFO,
229 statement -> msg );
230 }
231
232 thread_protect( SQL_HANDLE_STMT, statement );
233
234 if ( !szpk_table_name && !szfk_table_name )
235 {
236 __post_internal_error( &statement -> error,
237 ERROR_HY009, NULL,
238 statement -> connection -> environment -> requested_version );
239
240 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
241 }
242
243 if (( cbpk_catalog_name < 0 && cbpk_catalog_name != SQL_NTS ) ||
244 ( cbpk_schema_name < 0 && cbpk_schema_name != SQL_NTS ) ||
245 ( cbpk_table_name < 0 && cbpk_table_name != SQL_NTS ) ||
246 ( cbfk_catalog_name < 0 && cbfk_catalog_name != SQL_NTS ) ||
247 ( cbfk_schema_name < 0 && cbfk_schema_name != SQL_NTS ) ||
248 ( cbfk_table_name < 0 && cbfk_table_name != SQL_NTS ))
249 {
250 __post_internal_error( &statement -> error,
251 ERROR_HY090, NULL,
252 statement -> connection -> environment -> requested_version );
253
254 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
255 }
256
257 /*
258 * check states
259 */
260
261#ifdef NR_PROBE
262 if ( statement -> state == STATE_S5 ||
263 statement -> state == STATE_S6 ||
264 statement -> state == STATE_S7 )
265#else
266 if (( statement -> state == STATE_S6 && statement -> eod == 0 ) ||
267 statement -> state == STATE_S7 )
268#endif
269 {
270 dm_log_write( __FILE__,
271 __LINE__,
272 LOG_INFO,
273 LOG_INFO,
274 "Error: 24000" );
275
276 __post_internal_error( &statement -> error,
277 ERROR_24000, NULL,
278 statement -> connection -> environment -> requested_version );
279
280 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
281 }
282 else if ( statement -> state == STATE_S8 ||
283 statement -> state == STATE_S9 ||
284 statement -> state == STATE_S10 ||
285 statement -> state == STATE_S13 ||
286 statement -> state == STATE_S14 ||
287 statement -> state == STATE_S15 )
288 {
289 dm_log_write( __FILE__,
290 __LINE__,
291 LOG_INFO,
292 LOG_INFO,
293 "Error: HY010" );
294
295 __post_internal_error( &statement -> error,
296 ERROR_HY010, NULL,
297 statement -> connection -> environment -> requested_version );
298
299 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
300 }
301
302 if ( statement -> state == STATE_S11 ||
303 statement -> state == STATE_S12 )
304 {
305 if ( statement -> interupted_func != SQL_API_SQLFOREIGNKEYS )
306 {
307 dm_log_write( __FILE__,
308 __LINE__,
309 LOG_INFO,
310 LOG_INFO,
311 "Error: HY010" );
312
313 __post_internal_error( &statement -> error,
314 ERROR_HY010, NULL,
315 statement -> connection -> environment -> requested_version );
316
317 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
318 }
319 }
320
321 /*
322 * TO_DO Check the SQL_ATTR_METADATA_ID settings
323 */
324
325 if ( statement -> connection -> unicode_driver )
326 {
327 SQLWCHAR *s1, *s2, *s3, *s4, *s5, *s6;
328 int wlen;
329
330 if ( !CHECK_SQLFOREIGNKEYSW( statement -> connection ))
331 {
332 dm_log_write( __FILE__,
333 __LINE__,
334 LOG_INFO,
335 LOG_INFO,
336 "Error: IM001" );
337
338 __post_internal_error( &statement -> error,
339 ERROR_IM001, NULL,
340 statement -> connection -> environment -> requested_version );
341
342 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
343 }
344
345 s1 = ansi_to_unicode_alloc( szpk_catalog_name, cbpk_catalog_name, statement -> connection, &wlen );
346 cbpk_catalog_name = wlen;
347 s2 = ansi_to_unicode_alloc( szpk_schema_name, cbpk_schema_name, statement -> connection, &wlen );
348 cbpk_schema_name = wlen;
349 s3 = ansi_to_unicode_alloc( szpk_table_name, cbpk_table_name, statement -> connection, &wlen );
350 cbpk_table_name = wlen;
351 s4 = ansi_to_unicode_alloc( szfk_catalog_name, cbfk_catalog_name, statement -> connection, &wlen );
352 cbfk_catalog_name = wlen;
353 s5 = ansi_to_unicode_alloc( szfk_schema_name, cbfk_schema_name, statement -> connection, &wlen );
354 cbfk_schema_name = wlen;
355 s6 = ansi_to_unicode_alloc( szfk_table_name, cbfk_table_name, statement -> connection, &wlen );
356 cbfk_table_name = wlen;
357
358 ret = SQLFOREIGNKEYSW( statement -> connection ,
359 statement -> driver_stmt,
360 s1,
361 cbpk_catalog_name,
362 s2,
363 cbpk_schema_name,
364 s3,
365 cbpk_table_name,
366 s4,
367 cbfk_catalog_name,
368 s5,
369 cbfk_schema_name,
370 s6,
371 cbfk_table_name );
372
373 if ( s1 )
374 free( s1 );
375 if ( s2 )
376 free( s2 );
377 if ( s3 )
378 free( s3 );
379 if ( s4 )
380 free( s4 );
381 if ( s5 )
382 free( s5 );
383 if ( s6 )
384 free( s6 );
385 }
386 else
387 {
388 if ( !CHECK_SQLFOREIGNKEYS( statement -> connection ))
389 {
390 dm_log_write( __FILE__,
391 __LINE__,
392 LOG_INFO,
393 LOG_INFO,
394 "Error: IM001" );
395
396 __post_internal_error( &statement -> error,
397 ERROR_IM001, NULL,
398 statement -> connection -> environment -> requested_version );
399
400 return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
401 }
402
403 ret = SQLFOREIGNKEYS( statement -> connection ,
404 statement -> driver_stmt,
405 szpk_catalog_name,
406 cbpk_catalog_name,
407 szpk_schema_name,
408 cbpk_schema_name,
409 szpk_table_name,
410 cbpk_table_name,
411 szfk_catalog_name,
412 cbfk_catalog_name,
413 szfk_schema_name,
414 cbfk_schema_name,
415 szfk_table_name,
416 cbfk_table_name );
417 }
418
419 if ( SQL_SUCCEEDED( ret ))
420 {
421#ifdef NR_PROBE
422 /********
423 * Added this to get num cols from drivers which can only tell
424 * us after execute - PAH
425 */
426
427 /*
428 * grab any errors
429 */
430
431 if ( ret == SQL_SUCCESS_WITH_INFO )
432 {
433 function_return_ex( IGNORE_THREAD, statement, ret, TRUE );
434 }
435
436 SQLNUMRESULTCOLS( statement -> connection,
437 statement -> driver_stmt, &statement -> numcols );
438 /******/
439#endif
440 statement -> hascols = 1;
441 statement -> state = STATE_S5;
442 statement -> prepared = 0;
443 }
444 else if ( ret == SQL_STILL_EXECUTING )
445 {
446 statement -> interupted_func = SQL_API_SQLFOREIGNKEYS;
447 if ( statement -> state != STATE_S11 &&
448 statement -> state != STATE_S12 )
449 statement -> state = STATE_S11;
450 }
451 else
452 {
453 statement -> state = STATE_S1;
454 }
455
456 if ( log_info.log_flag )
457 {
458 sprintf( statement -> msg,
459 "\n\t\tExit:[%s]",
460 __get_return_status( ret, s1 ));
461
462 dm_log_write( __FILE__,
463 __LINE__,
464 LOG_INFO,
465 LOG_INFO,
466 statement -> msg );
467 }
468
469 return function_return( SQL_HANDLE_STMT, statement, ret );
470}
471