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d26cae4e | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
7 | * | |
8 | * $Log$ | |
19bf23eb | 9 | * Revision 1.11 1987-09-01 16:10:01 wesommer |
10 | * This change was made by Mike, who didn't feel like checking it in. | |
11 | * Temp hack: ignore instances. | |
faad6f39 | 12 | * |
19bf23eb | 13 | * Revision 1.10 87/08/28 14:57:51 mike |
14 | * Modified sms_query to not enclose RETRIEVE queries in begin/end transaction. | |
15 | * This was necessary to allow get_all_poboxes and get_groups_of_all_users | |
16 | * to temporarily change the Ingres lockmode. | |
17 | * | |
3df9e21e | 18 | * Revision 1.9 87/08/22 17:47:38 wesommer |
19 | * Cleanup (these changes were by Mike). | |
20 | * | |
cc1231a1 | 21 | * Revision 1.8 87/08/10 16:22:26 mike |
22 | * wesommer modified error reporting. | |
23 | * | |
1bf7f927 | 24 | * Revision 1.7 87/08/04 01:49:20 wesommer |
25 | * Rearranged messages. | |
26 | * | |
b4182127 | 27 | * Revision 1.6 87/08/04 01:30:54 wesommer |
28 | * Mike's changes; checked in prior to working over messages. | |
29 | * | |
7536027d | 30 | * Revision 1.5 87/06/21 16:37:58 wesommer |
31 | * Changed include files, reindented things. | |
32 | * | |
33 | * | |
faad6f39 | 34 | * Revision 1.4 87/06/08 05:03:27 wesommer |
35 | * Reindented; added header and trailer. | |
36 | * | |
d26cae4e | 37 | */ |
38 | ||
39 | #ifndef lint | |
40 | static char *rcsid_qrtn_qc = "$Header$"; | |
41 | #endif lint | |
42 | ||
97479f6f | 43 | #include "query.h" |
97479f6f | 44 | #include "sms_server.h" |
45 | ||
7536027d | 46 | #define SMS_SUCCESS 0 |
47 | ||
97479f6f | 48 | char *Argv[16]; |
49 | ||
50 | static int ingres_errno = 0; | |
7536027d | 51 | extern char *whoami; |
97479f6f | 52 | |
d26cae4e | 53 | /* |
54 | * ingerr: (supposedly) called when Ingres indicates an error. | |
55 | * I have not yet been able to get this to work to intercept a | |
56 | * database open error. | |
57 | */ | |
58 | ||
59 | static int ingerr(num) | |
60 | int *num; | |
97479f6f | 61 | { |
d26cae4e | 62 | ingres_errno = SMS_INGRES_ERR; |
1bf7f927 | 63 | com_err(whoami, SMS_INGRES_ERR, " code %d\n", ingres_errno); |
d26cae4e | 64 | return *num; |
97479f6f | 65 | } |
66 | ||
d26cae4e | 67 | int sms_open_database() |
97479f6f | 68 | { |
d26cae4e | 69 | register int i; |
97479f6f | 70 | |
d26cae4e | 71 | /* initialize local argv */ |
72 | for (i = 0; i < 16; i++) | |
73 | Argv[i] = (char *)malloc(128); | |
97479f6f | 74 | |
d26cae4e | 75 | IIseterr(ingerr); |
97479f6f | 76 | |
d26cae4e | 77 | ingres_errno = 0; |
97479f6f | 78 | |
d26cae4e | 79 | /* open the database */ |
80 | ## ingres sms | |
81 | return ingres_errno; | |
97479f6f | 82 | } |
83 | ||
d26cae4e | 84 | int sms_close_database() |
97479f6f | 85 | { |
d26cae4e | 86 | ## exit |
97479f6f | 87 | } |
88 | ||
7536027d | 89 | sms_check_access(cl, name, argc, argv_ro) |
90 | client *cl; | |
91 | char *name; | |
92 | int argc; | |
93 | char *argv_ro[]; | |
94 | { | |
95 | register struct query *q; | |
96 | register int argreq; | |
97 | register int status; | |
98 | register struct validate *v; | |
99 | register int i; | |
100 | register int privileged; | |
101 | struct query *get_query_by_name(); | |
102 | int access_user(); | |
103 | int access_pop(); | |
cc1231a1 | 104 | int access_list(); |
7536027d | 105 | |
106 | q = get_query_by_name(name); | |
107 | if (q == (struct query *)0) return(SMS_NO_HANDLE); | |
108 | v = q->validate; | |
109 | ||
110 | /* copy the arguments into a local argv that we can modify */ | |
111 | for (i = 0; i < argc; i++) | |
112 | strcpy(Argv[i], argv_ro[i]); | |
113 | ||
114 | /* check initial query access */ | |
115 | status = check_query_access(q, Argv, cl); | |
116 | privileged = (status == SMS_SUCCESS) ? 1 : 0; | |
117 | if (status != SMS_SUCCESS && !(v && (v->pre_rtn == access_user || | |
cc1231a1 | 118 | v->pre_rtn == access_pop || |
119 | v->pre_rtn == access_list))) | |
7536027d | 120 | return(status); |
121 | ||
122 | /* check argument count */ | |
123 | argreq = q->argc; | |
124 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
125 | if (argc != argreq) return(SMS_ARGS); | |
126 | ||
127 | /* validate arguments */ | |
128 | if (v && v->valobj) { | |
129 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
130 | if (status != SMS_SUCCESS) return(status); | |
131 | } | |
132 | ||
133 | /* perform special query access check */ | |
134 | if (v && v->pre_rtn) { | |
135 | status = (*v->pre_rtn)(q, Argv, cl, 1); | |
136 | if (status != SMS_SUCCESS && (status != SMS_PERM || !privileged)) | |
137 | return(status); | |
138 | } | |
139 | ||
140 | return(SMS_SUCCESS); | |
141 | } | |
142 | ||
143 | sms_process_query(cl, name, argc, argv_ro, action, actarg) | |
144 | client *cl; | |
d26cae4e | 145 | char *name; |
146 | int argc; | |
147 | char *argv_ro[]; | |
148 | int (*action)(); | |
149 | char *actarg; | |
97479f6f | 150 | { |
d26cae4e | 151 | register struct query *q; |
152 | register int i; | |
7536027d | 153 | register int status; |
154 | register int argreq; | |
155 | register struct validate *v; | |
156 | int privileged; | |
157 | char qual[256]; | |
cc1231a1 | 158 | char sort[32]; |
7536027d | 159 | char *pqual; |
cc1231a1 | 160 | char *psort; |
7536027d | 161 | ## char *table; |
162 | struct save_queue *sq; | |
d26cae4e | 163 | struct query *get_query_by_name(); |
7536027d | 164 | int sq_save_args(); |
165 | struct save_queue *sq_create(); | |
cc1231a1 | 166 | char *build_sort(); |
7536027d | 167 | int access_user(); |
cc1231a1 | 168 | int access_pop(); |
169 | int access_list(); | |
d26cae4e | 170 | |
171 | /* copy the arguments into a local argv that we can modify */ | |
172 | for (i = 0; i < argc; i++) | |
173 | strcpy(Argv[i], argv_ro[i]); | |
174 | ||
7536027d | 175 | /* list queries command */ |
176 | if (!strcmp(name, "_list_queries")) { | |
177 | list_queries(action, actarg); | |
178 | return(SMS_SUCCESS); | |
179 | } | |
180 | ||
181 | /* help query command */ | |
182 | if (!strcmp(name, "_help")) { | |
183 | q = get_query_by_name(Argv[0]); | |
184 | if (q == (struct query *)0) return(SMS_NO_HANDLE); | |
185 | help_query(q, action, actarg); | |
186 | return(SMS_SUCCESS); | |
187 | } | |
188 | ||
189 | /* get query structure, return error if named query does not exist */ | |
d26cae4e | 190 | q = get_query_by_name(name); |
7536027d | 191 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
192 | v = q->validate; | |
193 | ||
194 | /* check query access */ | |
195 | status = check_query_access(q, Argv, cl); | |
196 | privileged = (status == SMS_SUCCESS) ? 1 : 0; | |
cc1231a1 | 197 | if (!privileged && !(status == SMS_PERM && |
198 | (v && (v->pre_rtn == access_user || | |
199 | v->pre_rtn == access_pop || | |
200 | v->pre_rtn == access_list)))) | |
7536027d | 201 | return(status); |
202 | ||
203 | /* check argument count */ | |
204 | argreq = q->argc; | |
205 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
206 | if (argc != argreq) return(SMS_ARGS); | |
207 | ||
208 | /* validate arguments */ | |
209 | if (v && v->valobj) { | |
210 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
211 | if (status != SMS_SUCCESS) return(status); | |
212 | } | |
213 | ||
214 | /* perform any special query pre-processing */ | |
215 | if (v && v->pre_rtn) { | |
216 | status = (*v->pre_rtn)(q, Argv, cl, 0); | |
217 | if (status != SMS_SUCCESS && (status != SMS_PERM || !privileged)) | |
218 | return(status); | |
219 | } | |
220 | ||
3df9e21e | 221 | if (q->type != RETRIEVE) |
222 | ## begin transaction | |
d26cae4e | 223 | |
224 | switch (q->type) { | |
faad6f39 | 225 | case RETRIEVE: |
7536027d | 226 | /* for queries that do not permit wildcarding, check if row |
227 | uniquely exists */ | |
228 | if (v && v->field) { | |
229 | status = validate_row(q, Argv, v); | |
230 | if (status != SMS_EXISTS) break; | |
231 | } | |
232 | ||
233 | /* build "where" clause if needed */ | |
d26cae4e | 234 | if (q->qual) { |
235 | build_qual(q->qual, q->argc, Argv, qual); | |
7536027d | 236 | pqual = qual; |
237 | } else { | |
238 | pqual = 0; | |
239 | } | |
240 | ||
cc1231a1 | 241 | /* build "sort" clause if needed */ |
242 | if (v && v->valobj) { | |
243 | psort = build_sort(v, sort); | |
244 | } else { | |
245 | psort = 0; | |
246 | } | |
247 | ||
7536027d | 248 | /* if there is a followup routine, then we must save the results */ |
249 | /* of the first query for use by the followup routine */ | |
cc1231a1 | 250 | /* if q->rvar = NULL, perform post_rtn only */ |
251 | if (q->rvar) { | |
7536027d | 252 | if (v && v->post_rtn) { |
253 | sq = sq_create(); | |
cc1231a1 | 254 | status = do_retrieve(q, pqual, psort, sq_save_args, sq); |
7536027d | 255 | if (status != SMS_SUCCESS) { |
256 | sq_destroy(sq); | |
257 | break; | |
258 | } | |
259 | status = (*v->post_rtn)(q, sq, v, action, actarg); | |
260 | } else { | |
261 | /* normal retrieve */ | |
cc1231a1 | 262 | status = do_retrieve(q, pqual, psort, action, actarg); |
7536027d | 263 | } |
264 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 265 | table = q->rtable; |
7536027d | 266 | ## repeat replace tblstats (retrieves = tblstats.retrieves + 1) |
267 | ## where tblstats.#table = @table | |
268 | } else { | |
269 | status = (*v->post_rtn)(q, Argv, action, actarg); | |
270 | } | |
271 | ||
d26cae4e | 272 | break; |
273 | ||
faad6f39 | 274 | case UPDATE: |
7536027d | 275 | /* see if row already exists */ |
276 | if (v->field) { | |
277 | status = validate_row(q, Argv, v); | |
278 | if (status != SMS_EXISTS) break; | |
279 | } | |
280 | ||
281 | /* build "where" clause and perform update */ | |
cc1231a1 | 282 | /* if q->rvar = NULL, perform post_rtn only */ |
283 | if (q->rvar) { | |
7536027d | 284 | build_qual(q->qual, q->argc, Argv, qual); |
285 | status = do_update(q, &Argv[q->argc], qual, action, actarg); | |
286 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 287 | table = q->rtable; |
7536027d | 288 | ## repeat replace tblstats (updates = tblstats.updates + 1, |
289 | ## modtime = "now") | |
290 | ## where tblstats.#table = @table | |
d26cae4e | 291 | } |
7536027d | 292 | |
293 | /* execute followup routine (if any) */ | |
294 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv); | |
295 | ||
d26cae4e | 296 | break; |
97479f6f | 297 | |
faad6f39 | 298 | case APPEND: |
7536027d | 299 | /* see if row already exists */ |
300 | if (v->field) { | |
301 | status = validate_row(q, Argv, v); | |
302 | if (status != SMS_NO_MATCH) break; | |
d26cae4e | 303 | } |
7536027d | 304 | |
305 | /* increment id number if necessary */ | |
306 | if (v->object_id) set_next_object_id(v->object_id); | |
307 | ||
cc1231a1 | 308 | /* build "where" clause if needed */ |
309 | if (q->qual) { | |
310 | build_qual(q->qual, q->argc, Argv, qual); | |
311 | pqual = qual; | |
312 | } else { | |
313 | pqual = 0; | |
314 | } | |
315 | ||
7536027d | 316 | /* perform the append */ |
cc1231a1 | 317 | /* if q->rvar = NULL, perform post_rtn only */ |
318 | if (q->rvar) { | |
319 | status = do_append(q, &Argv[q->argc], pqual, action, actarg); | |
7536027d | 320 | if (status != SMS_SUCCESS) break; |
cc1231a1 | 321 | table = q->rtable; |
7536027d | 322 | ## repeat replace tblstats (appends = tblstats.appends + 1, |
323 | ## modtime = "now") | |
324 | ## where tblstats.#table = @table | |
325 | } | |
326 | ||
327 | /* execute followup routine */ | |
328 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv); | |
d26cae4e | 329 | break; |
97479f6f | 330 | |
faad6f39 | 331 | case DELETE: |
7536027d | 332 | /* see if row already exists */ |
333 | if (v->field) { | |
334 | status = validate_row(q, Argv, v); | |
335 | if (status != SMS_EXISTS) break; | |
336 | } | |
337 | ||
338 | /* build "where" clause and perform delete */ | |
cc1231a1 | 339 | /* if q->rvar = NULL, perform post_rtn only */ |
340 | if (q->rvar) { | |
7536027d | 341 | build_qual(q->qual, q->argc, Argv, qual); |
342 | status = do_delete(q, qual, action, actarg); | |
343 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 344 | table = q->rtable; |
7536027d | 345 | ## repeat replace tblstats (deletes = tblstats.deletes + 1, |
346 | ## modtime = "now") | |
347 | ## where tblstats.#table = @table | |
97479f6f | 348 | } |
7536027d | 349 | |
350 | /* execute followup routine */ | |
351 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv); | |
d26cae4e | 352 | break; |
7536027d | 353 | |
d26cae4e | 354 | } |
7536027d | 355 | |
3df9e21e | 356 | if (q->type != RETRIEVE) { |
357 | if (status == SMS_SUCCESS) { | |
358 | ## end transaction | |
359 | } else { | |
360 | ## abort | |
361 | } | |
362 | } | |
7536027d | 363 | |
1bf7f927 | 364 | if (status != SMS_SUCCESS && log_flags & LOG_RES) |
365 | com_err(whoami, status, " (Query failed)"); | |
7536027d | 366 | return(status); |
97479f6f | 367 | } |
368 | ||
369 | build_qual(fmt, argc, argv, qual) | |
370 | char *fmt; | |
371 | int argc; | |
372 | char *argv[]; | |
373 | char *qual; | |
374 | { | |
7536027d | 375 | register char *c; |
376 | register int i; | |
377 | char *args[4]; | |
378 | ||
379 | c = fmt; | |
380 | for (i = 0; i < argc; i++) { | |
381 | c = (char *)index(c, '%'); | |
382 | if (c++ == (char *)0) return(SMS_ARGS); | |
383 | if (*c == 's') | |
384 | args[i] = argv[i]; | |
385 | else if (*c == 'd') | |
386 | *(int *)&args[i] = *(int *)argv[i]; /* sigh */ | |
387 | else | |
388 | return(SMS_INGRES_ERR); | |
389 | } | |
390 | ||
d26cae4e | 391 | switch (argc) { |
392 | case 0: | |
393 | strcpy(qual, fmt); | |
394 | break; | |
395 | ||
396 | case 1: | |
7536027d | 397 | sprintf(qual, fmt, args[0]); |
d26cae4e | 398 | break; |
399 | ||
400 | case 2: | |
7536027d | 401 | sprintf(qual, fmt, args[0], args[1]); |
d26cae4e | 402 | break; |
403 | ||
404 | case 3: | |
7536027d | 405 | sprintf(qual, fmt, args[0], args[1], args[2]); |
d26cae4e | 406 | break; |
407 | ||
408 | case 4: | |
7536027d | 409 | sprintf(qual, fmt, args[0], args[1], args[2], args[3]); |
d26cae4e | 410 | break; |
411 | } | |
97479f6f | 412 | } |
413 | ||
cc1231a1 | 414 | char * |
415 | build_sort(v, sort) | |
416 | register struct validate *v; | |
417 | char *sort; | |
418 | { | |
419 | register struct valobj *vo; | |
420 | register int n; | |
421 | char elem[16]; | |
422 | ||
423 | n = v->objcnt; | |
424 | vo = v->valobj; | |
425 | *sort = 0; | |
426 | ||
427 | while (--n >= 0) { | |
428 | if (vo->type == V_SORT) { | |
429 | sprintf(elem, "RET_VAR%d", vo->index + 1); | |
430 | if (*sort) strcat(sort, ", "); | |
431 | strcat(sort, elem); | |
432 | } | |
433 | vo++; | |
434 | } | |
435 | ||
436 | return ((*sort) ? sort : 0); | |
437 | } | |
438 | ||
7536027d | 439 | check_query_access(q, argv, cl) |
440 | struct query *q; | |
441 | char *argv[]; | |
442 | client *cl; | |
d26cae4e | 443 | ##{ |
7536027d | 444 | ## char *name; |
445 | ## int acl_id; | |
446 | ## int exists; | |
d26cae4e | 447 | ## int rowcount; |
cc1231a1 | 448 | ## int errorno; |
7536027d | 449 | ## static int def_uid; |
450 | int status; | |
451 | int client_id; | |
452 | char *client_type; | |
453 | ||
454 | /* get query access control list */ | |
455 | name = q->shortname; | |
456 | ## repeat retrieve (acl_id = capacls.list_id) where capacls.tag = @name | |
cc1231a1 | 457 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
458 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 459 | if (rowcount == 0) return(SMS_PERM); |
d26cae4e | 460 | |
7536027d | 461 | /* initialize default uid */ |
462 | if (def_uid == 0) { | |
463 | ## retrieve (def_uid = users.users_id) where users.login = "default" | |
d26cae4e | 464 | } |
97479f6f | 465 | |
7536027d | 466 | /* check for default access */ |
467 | ## range of m is members | |
468 | ## repeat retrieve (exists = any(m.#member_id where m.list_id = @acl_id and | |
469 | ## m.member_type = "USER" and m.#member_id = def_uid)) | |
470 | if (exists) return(SMS_SUCCESS); | |
471 | ||
472 | /* parse client name */ | |
473 | status = get_client(cl, &client_type, &client_id); | |
474 | if (status != SMS_SUCCESS) return(status); | |
475 | ||
7536027d | 476 | /* see if client is in the list (or any of its sub-lists) */ |
477 | exists = find_member(acl_id, client_type, client_id, 0); | |
478 | return ((exists) ? SMS_SUCCESS : SMS_PERM); | |
479 | ##} | |
97479f6f | 480 | |
7536027d | 481 | get_client(cl, client_type, client_id) |
482 | client *cl; | |
483 | char **client_type; | |
484 | int *client_id; | |
485 | ##{ | |
486 | struct krbname *krb; | |
487 | ## int member_id; | |
488 | ## char *name; | |
489 | ## int rowcount; | |
490 | ||
19bf23eb | 491 | /* for now ignore instances */ |
7536027d | 492 | krb = &cl->kname; |
7536027d | 493 | |
494 | /* if client is from local realm, get users_id */ | |
495 | if (!strcmp(krb->realm, krb_realm)) { | |
496 | name = krb->name; | |
497 | ## repeat retrieve (member_id = users.users_id) where users.login = @name | |
498 | *client_type = "USER"; | |
499 | } else { | |
500 | /* otherwise use string_id */ | |
501 | name = cl->clname; | |
502 | ## repeat retrieve (member_id = strings.string_id) | |
503 | ## where strings.string = @name | |
504 | *client_type = "STRING"; | |
505 | } | |
506 | ||
507 | /* make sure we found a users or string id */ | |
d26cae4e | 508 | ## inquire_equel (rowcount = "rowcount") |
7536027d | 509 | if (rowcount == 0) return(SMS_PERM); |
510 | ||
511 | *client_id = member_id; | |
512 | return(SMS_SUCCESS); | |
513 | ##} | |
97479f6f | 514 | |
7536027d | 515 | ##find_member(list_id, member_type, member_id, sq) |
516 | ## int list_id; | |
517 | ## char *member_type; | |
518 | ## int member_id; | |
519 | struct save_queue *sq; | |
520 | ##{ | |
521 | ## int exists; | |
522 | ## int sublist; | |
523 | int child; | |
524 | struct save_queue *sq_create(); | |
525 | ||
526 | /* see if client is a direct member of list */ | |
527 | ## repeat retrieve (exists = any(m.#member_id where | |
528 | ## m.#list_id = @list_id and | |
529 | ## m.#member_type = @member_type and | |
530 | ## m.#member_id = @member_id)) | |
531 | if (exists) return(1); | |
532 | ||
533 | /* are there any sub-lists? */ | |
7536027d | 534 | ## repeat retrieve (exists = any(m.#member_id where m.#list_id = @list_id and |
535 | ## m.#member_type = "LIST")) | |
536 | if (!exists) return(0); | |
537 | ||
538 | /* yes; now recurse through sublists */ | |
539 | ||
540 | /* create a save queue */ | |
541 | if (sq == (struct save_queue *)0) { | |
542 | sq = sq_create(); | |
543 | child = 0; | |
544 | } else { | |
545 | child = 1; | |
d26cae4e | 546 | } |
97479f6f | 547 | |
7536027d | 548 | /* save all sublist ids */ |
549 | ## range of m is members | |
550 | ## retrieve (sublist = m.#member_id) | |
551 | ## where m.#list_id = list_id and m.#member_type = "LIST" | |
552 | ## { | |
553 | sq_save_unique_data(sq, sublist); | |
554 | ## } | |
555 | ||
556 | if (child) return; | |
557 | ||
7536027d | 558 | /* at top-level, check sub-lists for client (breadth-first search) */ |
559 | while (sq_get_data(sq, &sublist)) { | |
560 | exists = find_member(sublist, member_type, member_id, sq); | |
561 | if (exists) { | |
562 | sq_destroy(sq); | |
563 | return(1); | |
564 | } | |
565 | } | |
d26cae4e | 566 | ##} |
97479f6f | 567 | |
cc1231a1 | 568 | do_retrieve(q, pqual, psort, action, actarg) |
d26cae4e | 569 | register struct query *q; |
cc1231a1 | 570 | char *pqual; |
571 | char *psort; | |
d26cae4e | 572 | int (*action)(); |
573 | char *actarg; | |
574 | ##{ | |
575 | ## char *rvar; | |
576 | ## char *rtable; | |
577 | ## char *cqual; | |
cc1231a1 | 578 | ## char *csort; |
d26cae4e | 579 | ## int rowcount; |
cc1231a1 | 580 | ## int errorno; |
7536027d | 581 | |
d26cae4e | 582 | if (q->rvar) { |
583 | rvar = q->rvar; | |
584 | rtable = q->rtable; | |
585 | ## range of rvar is rtable | |
586 | } | |
97479f6f | 587 | |
cc1231a1 | 588 | if (psort) { |
589 | csort = psort; | |
590 | if (pqual) { | |
591 | cqual = pqual; | |
592 | ## retrieve unique (param (q->tlist, q->vaddr)) where cqual | |
593 | ## sort by csort | |
594 | ## { | |
595 | (*action)(q->vcnt, q->vaddr, actarg); | |
596 | ## } | |
597 | } else { | |
598 | ## retrieve unique (param (q->tlist, q->vaddr)) | |
599 | ## sort by csort | |
600 | ## { | |
601 | (*action)(q->vcnt, q->vaddr, actarg); | |
602 | ## } | |
603 | } | |
604 | ||
7536027d | 605 | } else { |
cc1231a1 | 606 | if (pqual) { |
607 | cqual = pqual; | |
608 | ## retrieve unique (param (q->tlist, q->vaddr)) where cqual | |
609 | ## { | |
610 | (*action)(q->vcnt, q->vaddr, actarg); | |
611 | ## } | |
612 | } else { | |
613 | ## retrieve unique (param (q->tlist, q->vaddr)) | |
614 | ## { | |
615 | (*action)(q->vcnt, q->vaddr, actarg); | |
616 | ## } | |
617 | } | |
7536027d | 618 | } |
97479f6f | 619 | |
cc1231a1 | 620 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
621 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 622 | return ((rowcount == 0) ? SMS_NO_MATCH : SMS_SUCCESS); |
d26cae4e | 623 | ##} |
97479f6f | 624 | |
e38c941b | 625 | do_update(q, argv, qual, action, actarg) |
d26cae4e | 626 | register struct query *q; |
627 | char *argv[]; | |
628 | char *qual; | |
629 | int (*action)(); | |
630 | char *actarg; | |
631 | ##{ | |
632 | ## char *rvar; | |
633 | ## char *rtable; | |
634 | ## char *cqual; | |
635 | ## int rowcount; | |
cc1231a1 | 636 | ## int errorno; |
97479f6f | 637 | |
d26cae4e | 638 | rvar = q->rvar; |
639 | rtable = q->rtable; | |
640 | ## range of rvar is rtable | |
97479f6f | 641 | |
d26cae4e | 642 | cqual = qual; |
643 | ## replace rvar (param (q->tlist, argv)) | |
644 | ## where cqual | |
97479f6f | 645 | |
cc1231a1 | 646 | ## inquire_equel (errorno = "errorno") |
647 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 648 | return(SMS_SUCCESS); |
d26cae4e | 649 | ##} |
97479f6f | 650 | |
cc1231a1 | 651 | do_append(q, argv, pqual, action, actarg) |
d26cae4e | 652 | register struct query *q; |
653 | char *argv[]; | |
cc1231a1 | 654 | char *pqual; |
d26cae4e | 655 | int (*action)(); |
656 | char *actarg; | |
657 | ##{ | |
658 | ## char *rvar; | |
659 | ## char *rtable; | |
7536027d | 660 | ## char *cqual; |
cc1231a1 | 661 | ## int errorno; |
97479f6f | 662 | |
d26cae4e | 663 | rvar = q->rvar; |
664 | rtable = q->rtable; | |
665 | ## range of rvar is rtable | |
97479f6f | 666 | |
cc1231a1 | 667 | if (pqual) { |
668 | cqual = pqual; | |
7536027d | 669 | ## append to rtable (param (q->tlist, argv)) where cqual |
670 | } else { | |
671 | ## append to rtable (param (q->tlist, argv)) | |
672 | } | |
97479f6f | 673 | |
cc1231a1 | 674 | ## inquire_equel (errorno = "errorno") |
675 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 676 | return(SMS_SUCCESS); |
d26cae4e | 677 | ##} |
97479f6f | 678 | |
e38c941b | 679 | do_delete(q, qual, action, actarg) |
d26cae4e | 680 | register struct query *q; |
681 | char *qual; | |
682 | int (*action)(); | |
683 | char *actarg; | |
684 | ##{ | |
685 | ## char *rvar; | |
686 | ## char *rtable; | |
687 | ## char *cqual; | |
cc1231a1 | 688 | ## int errorno; |
97479f6f | 689 | |
d26cae4e | 690 | rvar = q->rvar; |
691 | rtable = q->rtable; | |
692 | ## range of rvar is rtable | |
97479f6f | 693 | |
d26cae4e | 694 | cqual = qual; |
695 | ## delete rvar where cqual | |
97479f6f | 696 | |
cc1231a1 | 697 | ## inquire_equel (errorno = "errorno") |
698 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 699 | return(SMS_SUCCESS); |
d26cae4e | 700 | ##} |
97479f6f | 701 | |
d26cae4e | 702 | |
703 | /* | |
704 | * Local Variables: | |
705 | * mode: c | |
706 | * c-indent-level: 4 | |
707 | * c-continued-statement-offset: 4 | |
708 | * c-brace-offset: -4 | |
709 | * c-argdecl-indent: 4 | |
710 | * c-label-offset: -4 | |
711 | * End: | |
712 | */ | |
713 |