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1 | /** Prepare a query |
2 | ||
3 | Copyright (C) 1995 by Ke Jin <kejin@empress.com> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | **/ | |
15 | ||
16 | #include <../iodbc/iodbc.h> | |
17 | ||
18 | #include <../iodbc/isql.h> | |
19 | #include <../iodbc/isqlext.h> | |
20 | ||
21 | #include <../iodbc/dlproc.h> | |
22 | ||
23 | #include <../iodbc/herr.h> | |
24 | #include <../iodbc/henv.h> | |
25 | #include <../iodbc/hdbc.h> | |
26 | #include <../iodbc/hstmt.h> | |
27 | ||
28 | #include <../iodbc/itrace.h> | |
29 | ||
0d73e5a1 | 30 | RETCODE SQL_API SQLPrepare ( |
1a6944fd RR |
31 | HSTMT hstmt, |
32 | UCHAR FAR* szSqlStr, | |
33 | SDWORD cbSqlStr ) | |
34 | { | |
35 | STMT_t FAR* pstmt = (STMT_t*)hstmt; | |
36 | ||
37 | HPROC hproc = SQL_NULL_HPROC; | |
38 | RETCODE retcode = SQL_SUCCESS; | |
39 | int sqlstat = en_00000; | |
40 | ||
41 | if( hstmt == SQL_NULL_HSTMT | |
42 | || pstmt->hdbc == SQL_NULL_HDBC ) | |
43 | { | |
44 | return SQL_INVALID_HANDLE; | |
45 | } | |
46 | ||
47 | /* check state */ | |
48 | if( pstmt->asyn_on == en_NullProc ) | |
49 | { | |
50 | /* not on asyn state */ | |
51 | switch( pstmt->state ) | |
52 | { | |
53 | case en_stmt_fetched: | |
54 | case en_stmt_xfetched: | |
55 | sqlstat = en_24000; | |
56 | break; | |
57 | ||
58 | case en_stmt_needdata: | |
59 | case en_stmt_mustput: | |
60 | case en_stmt_canput: | |
61 | sqlstat = en_S1010; | |
62 | break; | |
63 | ||
64 | default: | |
65 | break; | |
66 | } | |
67 | } | |
68 | else if( pstmt->asyn_on != en_Prepare ) | |
69 | { | |
70 | /* asyn on other */ | |
71 | sqlstat = en_S1010; | |
72 | } | |
73 | ||
74 | if( sqlstat != en_00000 ) | |
75 | { | |
76 | PUSHSQLERR ( pstmt->herr, sqlstat ); | |
77 | ||
78 | return SQL_ERROR; | |
79 | } | |
80 | ||
81 | if( szSqlStr == NULL ) | |
82 | { | |
83 | PUSHSQLERR ( pstmt->herr, en_S1009 ); | |
84 | ||
85 | return SQL_ERROR; | |
86 | } | |
87 | ||
88 | if( cbSqlStr < 0 && cbSqlStr != SQL_NTS ) | |
89 | { | |
90 | PUSHSQLERR ( pstmt->herr, en_S1090 ); | |
91 | ||
92 | return SQL_ERROR; | |
93 | } | |
94 | ||
95 | hproc = _iodbcdm_getproc( pstmt->hdbc, en_Prepare ); | |
96 | ||
97 | if( hproc == SQL_NULL_HPROC ) | |
98 | { | |
99 | PUSHSQLERR ( pstmt->herr, en_IM001 ); | |
100 | return SQL_ERROR; | |
101 | } | |
102 | ||
103 | CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_Prepare, ( | |
104 | pstmt->dhstmt, szSqlStr, cbSqlStr) ) | |
105 | ||
106 | #if 0 | |
107 | retcode = hproc ( pstmt->dhstmt, szSqlStr, cbSqlStr ); | |
108 | #endif | |
109 | ||
110 | /* stmt state transition */ | |
111 | if( pstmt->asyn_on == en_Prepare ) | |
112 | { | |
113 | switch( retcode ) | |
114 | { | |
115 | case SQL_SUCCESS: | |
116 | case SQL_SUCCESS_WITH_INFO: | |
117 | case SQL_ERROR: | |
118 | pstmt->asyn_on = en_NullProc; | |
119 | return retcode; | |
120 | ||
121 | case SQL_STILL_EXECUTING: | |
122 | default: | |
123 | return retcode; | |
124 | } | |
125 | } | |
126 | ||
127 | switch( retcode ) | |
128 | { | |
129 | case SQL_STILL_EXECUTING: | |
130 | pstmt->asyn_on = en_Prepare; | |
131 | break; | |
132 | ||
133 | case SQL_SUCCESS: | |
134 | case SQL_SUCCESS_WITH_INFO: | |
135 | pstmt->state = en_stmt_prepared; | |
136 | pstmt->prep_state = 1; | |
137 | break; | |
138 | ||
139 | case SQL_ERROR: | |
140 | switch( pstmt->state ) | |
141 | { | |
142 | case en_stmt_prepared: | |
143 | case en_stmt_executed: | |
144 | pstmt->state = en_stmt_allocated; | |
145 | pstmt->prep_state = 0; | |
146 | break; | |
147 | ||
148 | default: | |
149 | break; | |
150 | } | |
151 | ||
152 | default: | |
153 | break; | |
154 | } | |
155 | ||
156 | return retcode; | |
157 | } | |
158 | ||
159 | RETCODE SQL_API SQLSetCursorName ( | |
160 | HSTMT hstmt, | |
161 | UCHAR FAR* szCursor, | |
162 | SWORD cbCursor ) | |
163 | { | |
164 | STMT_t FAR* pstmt = (STMT_t*)hstmt; | |
165 | HPROC hproc = SQL_NULL_HPROC; | |
166 | ||
167 | RETCODE retcode = SQL_SUCCESS; | |
168 | int sqlstat = en_00000; | |
169 | ||
170 | if( hstmt == SQL_NULL_HSTMT | |
171 | || pstmt->hdbc == SQL_NULL_HDBC ) | |
172 | { | |
173 | return SQL_INVALID_HANDLE; | |
174 | } | |
175 | ||
176 | if( szCursor == NULL ) | |
177 | { | |
178 | PUSHSQLERR ( pstmt->herr, en_S1009 ); | |
179 | ||
180 | return SQL_ERROR; | |
181 | } | |
182 | ||
183 | if( cbCursor < 0 && cbCursor != SQL_NTS ) | |
184 | { | |
185 | PUSHSQLERR ( pstmt->herr, en_S1090 ); | |
186 | ||
187 | return SQL_ERROR; | |
188 | } | |
189 | ||
190 | /* check state */ | |
191 | if( pstmt->asyn_on != en_NullProc ) | |
192 | { | |
193 | sqlstat = en_S1010; | |
194 | } | |
195 | else | |
196 | { | |
197 | switch( pstmt->state ) | |
198 | { | |
199 | case en_stmt_executed: | |
200 | case en_stmt_cursoropen: | |
201 | case en_stmt_fetched: | |
202 | case en_stmt_xfetched: | |
203 | sqlstat = en_24000; | |
204 | break; | |
205 | ||
206 | case en_stmt_needdata: | |
207 | case en_stmt_mustput: | |
208 | case en_stmt_canput: | |
209 | sqlstat = en_S1010; | |
210 | break; | |
211 | ||
212 | default: | |
213 | break; | |
214 | } | |
215 | } | |
216 | ||
217 | if( sqlstat != en_00000 ) | |
218 | { | |
219 | PUSHSQLERR ( pstmt->herr, sqlstat ); | |
220 | ||
221 | return SQL_ERROR; | |
222 | } | |
223 | ||
224 | hproc = _iodbcdm_getproc( pstmt->hdbc, en_SetCursorName); | |
225 | ||
226 | if( hproc == SQL_NULL_HPROC ) | |
227 | { | |
228 | PUSHSQLERR ( pstmt->herr, en_IM001 ); | |
229 | ||
230 | return SQL_ERROR; | |
231 | } | |
232 | ||
233 | CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_SetCursorName, ( | |
234 | pstmt->dhstmt, szCursor, cbCursor ) ) | |
235 | ||
236 | #if 0 | |
237 | retcode = hproc ( pstmt->dhstmt, szCursor, cbCursor ); | |
238 | #endif | |
239 | ||
240 | if( retcode == SQL_SUCCESS | |
241 | || retcode == SQL_SUCCESS_WITH_INFO ) | |
242 | { | |
243 | pstmt->cursor_state = en_stmt_cursor_named; | |
244 | } | |
245 | ||
246 | return retcode; | |
247 | } | |
248 | ||
249 | RETCODE SQL_API SQLBindParameter ( | |
250 | HSTMT hstmt, | |
251 | UWORD ipar, | |
252 | SWORD fParamType, | |
253 | SWORD fCType, | |
254 | SWORD fSqlType, | |
255 | UDWORD cbColDef, | |
256 | SWORD ibScale, | |
257 | PTR rgbValue, | |
258 | SDWORD cbValueMax, | |
259 | SDWORD FAR* pcbValue ) | |
260 | { | |
261 | STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; | |
262 | HPROC hproc = SQL_NULL_HPROC; | |
263 | ||
264 | int sqlstat = en_00000; | |
265 | RETCODE retcode = SQL_SUCCESS; | |
266 | ||
267 | if( hstmt == SQL_NULL_HSTMT | |
268 | || pstmt->hdbc == SQL_NULL_HDBC ) | |
269 | { | |
270 | return SQL_INVALID_HANDLE; | |
271 | } | |
272 | ||
273 | /* check param */ | |
274 | if( fSqlType > SQL_TYPE_MAX | |
275 | || ( fSqlType < SQL_TYPE_MIN | |
276 | && fSqlType > SQL_TYPE_DRIVER_START ) ) | |
277 | /* Note: SQL_TYPE_DRIVER_START is a nagtive number | |
278 | * So, we use ">" */ | |
279 | { | |
280 | sqlstat = en_S1004; | |
281 | } | |
282 | else if ( ipar < 1 ) | |
283 | { | |
284 | sqlstat = en_S1093; | |
285 | } | |
286 | else if( (rgbValue == NULL && pcbValue == NULL) | |
287 | && fParamType != SQL_PARAM_OUTPUT ) | |
288 | { | |
289 | sqlstat = en_S1009; | |
290 | /* This means, I allow output to nowhere | |
291 | * (i.e. * junk output result). But I can't | |
292 | * allow input from nowhere. | |
293 | */ | |
294 | } | |
295 | /********** | |
296 | else if( cbValueMax < 0L && cbValueMax != SQL_SETPARAM_VALUE_MAX ) | |
297 | { | |
298 | sqlstat = en_S1090; | |
299 | } | |
300 | **********/ | |
301 | else if( fParamType != SQL_PARAM_INPUT | |
302 | && fParamType != SQL_PARAM_OUTPUT | |
303 | && fParamType != SQL_PARAM_INPUT_OUTPUT ) | |
304 | { | |
305 | sqlstat = en_S1105; | |
306 | } | |
307 | else | |
308 | { | |
309 | switch( fCType ) | |
310 | { | |
311 | case SQL_C_DEFAULT: | |
312 | case SQL_C_CHAR: | |
313 | case SQL_C_BINARY: | |
314 | case SQL_C_BIT: | |
315 | case SQL_C_TINYINT: | |
316 | case SQL_C_STINYINT: | |
317 | case SQL_C_UTINYINT: | |
318 | case SQL_C_SHORT: | |
319 | case SQL_C_SSHORT: | |
320 | case SQL_C_USHORT: | |
321 | case SQL_C_LONG: | |
322 | case SQL_C_SLONG: | |
323 | case SQL_C_ULONG: | |
324 | case SQL_C_FLOAT: | |
325 | case SQL_C_DOUBLE: | |
326 | case SQL_C_DATE: | |
327 | case SQL_C_TIME: | |
328 | case SQL_C_TIMESTAMP: | |
329 | break; | |
330 | ||
331 | default: | |
332 | sqlstat = en_S1003; | |
333 | break; | |
334 | } | |
335 | } | |
336 | ||
337 | if(sqlstat != en_00000 ) | |
338 | { | |
339 | PUSHSQLERR ( pstmt->herr, sqlstat ); | |
340 | ||
341 | return SQL_ERROR; | |
342 | } | |
343 | ||
344 | /* check state */ | |
345 | if( pstmt->state >= en_stmt_needdata | |
346 | || pstmt->asyn_on != en_NullProc ) | |
347 | { | |
348 | PUSHSQLERR ( pstmt->herr, en_S1010 ); | |
349 | ||
350 | retcode = SQL_ERROR; | |
351 | } | |
352 | ||
353 | hproc = _iodbcdm_getproc( pstmt->hdbc, en_BindParameter ); | |
354 | ||
355 | if( hproc == SQL_NULL_HPROC ) | |
356 | { | |
357 | PUSHSQLERR ( pstmt->herr, en_IM001 ); | |
358 | ||
359 | return SQL_ERROR; | |
360 | } | |
361 | ||
362 | CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_BindParameter, ( | |
363 | pstmt->dhstmt, ipar, fParamType, fCType, fSqlType, | |
364 | cbColDef, ibScale, rgbValue, cbValueMax, pcbValue ) ) | |
365 | ||
366 | #if 0 | |
367 | retcode = hproc(pstmt->dhstmt, ipar, fParamType, fCType, fSqlType, | |
368 | cbColDef, ibScale, rgbValue, cbValueMax, pcbValue ); | |
369 | #endif | |
370 | ||
371 | return retcode; | |
372 | } | |
373 | ||
374 | RETCODE SQL_API SQLParamOptions( | |
375 | HSTMT hstmt, | |
376 | UDWORD crow, | |
377 | UDWORD FAR* pirow ) | |
378 | { | |
379 | STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; | |
380 | HPROC hproc; | |
381 | RETCODE retcode; | |
382 | ||
383 | if( hstmt == SQL_NULL_HSTMT | |
384 | || pstmt->hdbc == SQL_NULL_HDBC ) | |
385 | { | |
386 | return SQL_INVALID_HANDLE; | |
387 | } | |
388 | ||
389 | if( crow == (UDWORD)0UL ) | |
390 | { | |
391 | PUSHSQLERR ( pstmt->herr, en_S1107 ); | |
392 | ||
393 | return SQL_ERROR; | |
394 | } | |
395 | ||
396 | if( pstmt->state >= en_stmt_needdata | |
397 | || pstmt->asyn_on != en_NullProc ) | |
398 | { | |
399 | PUSHSQLERR ( pstmt->herr, en_S1010 ); | |
400 | ||
401 | return SQL_ERROR; | |
402 | } | |
403 | ||
404 | hproc = _iodbcdm_getproc ( pstmt->hdbc, en_ParamOptions ); | |
405 | ||
406 | if( hproc == SQL_NULL_HPROC ) | |
407 | { | |
408 | PUSHSQLERR ( pstmt->herr, en_IM001 ); | |
409 | ||
410 | return SQL_ERROR; | |
411 | } | |
412 | ||
413 | CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_ParamOptions, ( | |
414 | pstmt->dhstmt, crow, pirow) ) | |
415 | ||
416 | #if 0 | |
417 | retcode = hproc ( pstmt->dhstmt, crow, pirow ); | |
418 | #endif | |
419 | ||
420 | return retcode; | |
421 | } | |
422 | ||
423 | RETCODE SQL_API SQLSetScrollOptions( | |
424 | HSTMT hstmt, | |
425 | UWORD fConcurrency, | |
426 | SDWORD crowKeyset, | |
427 | UWORD crowRowset ) | |
428 | { | |
429 | STMT_t FAR* pstmt = (STMT_t FAR*)hstmt; | |
430 | HPROC hproc; | |
431 | int sqlstat = en_00000; | |
432 | RETCODE retcode; | |
433 | ||
434 | if( hstmt == SQL_NULL_HSTMT | |
435 | || pstmt->hdbc == SQL_NULL_HDBC ) | |
436 | { | |
437 | return SQL_INVALID_HANDLE; | |
438 | } | |
439 | ||
440 | for(;;) | |
441 | { | |
442 | if( crowRowset == (UWORD)0 ) | |
443 | { | |
444 | sqlstat = en_S1107; | |
445 | break; | |
446 | } | |
447 | ||
448 | if( crowKeyset > (SDWORD)0L && crowKeyset < (SDWORD)crowRowset ) | |
449 | { | |
450 | sqlstat = en_S1107; | |
451 | break; | |
452 | } | |
453 | ||
454 | if( crowKeyset < 1 ) | |
455 | { | |
456 | if( crowKeyset != SQL_SCROLL_FORWARD_ONLY | |
457 | && crowKeyset != SQL_SCROLL_STATIC | |
458 | && crowKeyset != SQL_SCROLL_KEYSET_DRIVEN | |
459 | && crowKeyset != SQL_SCROLL_DYNAMIC ) | |
460 | { | |
461 | sqlstat = en_S1107; | |
462 | break; | |
463 | } | |
464 | } | |
465 | ||
466 | if( fConcurrency != SQL_CONCUR_READ_ONLY | |
467 | && fConcurrency != SQL_CONCUR_LOCK | |
468 | && fConcurrency != SQL_CONCUR_ROWVER | |
469 | && fConcurrency != SQL_CONCUR_VALUES ) | |
470 | { | |
471 | sqlstat = en_S1108; | |
472 | break; | |
473 | } | |
474 | ||
475 | if( pstmt->state != en_stmt_allocated ) | |
476 | { | |
477 | sqlstat = en_S1010; | |
478 | break; | |
479 | } | |
480 | ||
481 | hproc = _iodbcdm_getproc( pstmt->hdbc, en_SetScrollOptions ); | |
482 | ||
483 | if( hproc == SQL_NULL_HPROC ) | |
484 | { | |
485 | sqlstat = en_IM001; | |
486 | break; | |
487 | } | |
488 | ||
489 | sqlstat = en_00000; | |
490 | if( 1 ) /* turn off solaris warning message */ | |
491 | break; | |
492 | } | |
493 | ||
494 | if( sqlstat != en_00000 ) | |
495 | { | |
496 | PUSHSQLERR ( pstmt->herr, sqlstat ); | |
497 | ||
498 | return SQL_ERROR; | |
499 | } | |
500 | ||
501 | CALL_DRIVER ( pstmt->hdbc, retcode, hproc, en_SetScrollOptions, ( | |
502 | pstmt->dhstmt, | |
503 | fConcurrency, | |
504 | crowKeyset, | |
505 | crowRowset ) ) | |
506 | ||
507 | #if 0 | |
508 | retcode = hproc(pstmt->dhstmt, | |
509 | fConcurrency, | |
510 | crowKeyset, | |
511 | crowRowset ); | |
512 | #endif | |
513 | ||
514 | return retcode; | |
515 | } | |
516 | ||
517 | RETCODE SQL_API SQLSetParam ( | |
518 | HSTMT hstmt, | |
519 | UWORD ipar, | |
520 | SWORD fCType, | |
521 | SWORD fSqlType, | |
522 | UDWORD cbColDef, | |
523 | SWORD ibScale, | |
524 | PTR rgbValue, | |
525 | SDWORD FAR *pcbValue) | |
526 | { | |
527 | return SQLBindParameter(hstmt, | |
528 | ipar, | |
529 | (SWORD)SQL_PARAM_INPUT_OUTPUT, | |
530 | fCType, | |
531 | fSqlType, | |
532 | cbColDef, | |
533 | ibScale, | |
534 | rgbValue, | |
535 | SQL_SETPARAM_VALUE_MAX, | |
536 | pcbValue ); | |
537 | } |