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Commit | Line | Data |
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d26cae4e | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
83526631 | 6 | * Copyright (C) 1987, 1988 by the Massachusetts Institute of Technology |
faad6f39 | 7 | * |
d26cae4e | 8 | */ |
9 | ||
10 | #ifndef lint | |
11 | static char *rcsid_qrtn_qc = "$Header$"; | |
12 | #endif lint | |
13 | ||
97479f6f | 14 | #include "query.h" |
97479f6f | 15 | #include "sms_server.h" |
16 | ||
17 | char *Argv[16]; | |
18 | ||
19 | static int ingres_errno = 0; | |
7536027d | 20 | extern char *whoami; |
83526631 | 21 | extern FILE *journal; |
97479f6f | 22 | |
8fcb440e | 23 | #define INGRES_BAD_INT 4111 |
24 | #define INGRES_BAD_DATE 4302 | |
4a7b7001 | 25 | #define INGRES_DEADLOCK 4700 |
8fcb440e | 26 | |
d26cae4e | 27 | /* |
28 | * ingerr: (supposedly) called when Ingres indicates an error. | |
29 | * I have not yet been able to get this to work to intercept a | |
30 | * database open error. | |
31 | */ | |
32 | ||
33 | static int ingerr(num) | |
34 | int *num; | |
97479f6f | 35 | { |
8fcb440e | 36 | char buf[256]; |
37 | ||
38 | switch (*num) { | |
39 | case INGRES_BAD_INT: | |
40 | ingres_errno = SMS_INTEGER; | |
41 | break; | |
42 | case INGRES_BAD_DATE: | |
43 | ingres_errno = SMS_DATE; | |
44 | break; | |
4a7b7001 | 45 | case INGRES_DEADLOCK: |
46 | ingres_errno = SMS_DEADLOCK; | |
47 | break; | |
8fcb440e | 48 | default: |
49 | ingres_errno = SMS_INGRES_ERR; | |
50 | com_err(whoami, SMS_INGRES_ERR, " code %d\n", *num); | |
51 | sprintf(buf, "Ingres error %d", *num); | |
52 | send_zgram("ingres_error", buf); | |
53 | return (*num); | |
54 | } | |
55 | return (0); | |
97479f6f | 56 | } |
57 | ||
d26cae4e | 58 | int sms_open_database() |
97479f6f | 59 | { |
d26cae4e | 60 | register int i; |
83526631 | 61 | char *malloc(); |
97479f6f | 62 | |
d26cae4e | 63 | /* initialize local argv */ |
64 | for (i = 0; i < 16; i++) | |
83526631 | 65 | Argv[i] = malloc(ARGLEN); |
97479f6f | 66 | |
d26cae4e | 67 | IIseterr(ingerr); |
97479f6f | 68 | |
d26cae4e | 69 | ingres_errno = 0; |
97479f6f | 70 | |
d26cae4e | 71 | /* open the database */ |
72 | ## ingres sms | |
73 | return ingres_errno; | |
97479f6f | 74 | } |
75 | ||
d26cae4e | 76 | int sms_close_database() |
97479f6f | 77 | { |
d26cae4e | 78 | ## exit |
97479f6f | 79 | } |
80 | ||
7536027d | 81 | sms_check_access(cl, name, argc, argv_ro) |
82 | client *cl; | |
83 | char *name; | |
84 | int argc; | |
85 | char *argv_ro[]; | |
86 | { | |
9969e1bc | 87 | struct query *q; |
7536027d | 88 | struct query *get_query_by_name(); |
7536027d | 89 | |
83526631 | 90 | q = get_query_by_name(name, cl->args->sms_version_no); |
9969e1bc | 91 | if (q == (struct query *)0) |
92 | return(SMS_NO_HANDLE); | |
7536027d | 93 | |
9969e1bc | 94 | return(sms_verify_query(cl, q, argc, argv_ro)); |
7536027d | 95 | } |
96 | ||
97 | sms_process_query(cl, name, argc, argv_ro, action, actarg) | |
98 | client *cl; | |
d26cae4e | 99 | char *name; |
100 | int argc; | |
101 | char *argv_ro[]; | |
102 | int (*action)(); | |
103 | char *actarg; | |
97479f6f | 104 | { |
d26cae4e | 105 | register struct query *q; |
7536027d | 106 | register int status; |
7536027d | 107 | register struct validate *v; |
7536027d | 108 | char qual[256]; |
cc1231a1 | 109 | char sort[32]; |
7536027d | 110 | char *pqual; |
cc1231a1 | 111 | char *psort; |
7536027d | 112 | ## char *table; |
113 | struct save_queue *sq; | |
d26cae4e | 114 | struct query *get_query_by_name(); |
7536027d | 115 | int sq_save_args(); |
116 | struct save_queue *sq_create(); | |
cc1231a1 | 117 | char *build_sort(); |
d26cae4e | 118 | |
7536027d | 119 | /* list queries command */ |
120 | if (!strcmp(name, "_list_queries")) { | |
83526631 | 121 | list_queries(cl->args->sms_version_no, action, actarg); |
7536027d | 122 | return(SMS_SUCCESS); |
123 | } | |
124 | ||
125 | /* help query command */ | |
126 | if (!strcmp(name, "_help")) { | |
83526631 | 127 | if (argc < 1) |
128 | return(SMS_ARGS); | |
129 | q = get_query_by_name(argv_ro[0], cl->args->sms_version_no); | |
7536027d | 130 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
131 | help_query(q, action, actarg); | |
132 | return(SMS_SUCCESS); | |
133 | } | |
134 | ||
135 | /* get query structure, return error if named query does not exist */ | |
83526631 | 136 | q = get_query_by_name(name, cl->args->sms_version_no); |
7536027d | 137 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
138 | v = q->validate; | |
139 | ||
d353058b | 140 | if (q->type != RETRIEVE) |
141 | ## begin transaction | |
142 | ||
9969e1bc | 143 | /* setup argument vector, verify access and arguments */ |
144 | if ((status = sms_verify_query(cl, q, argc, argv_ro)) != SMS_SUCCESS) | |
d353058b | 145 | goto out; |
7536027d | 146 | |
147 | /* perform any special query pre-processing */ | |
148 | if (v && v->pre_rtn) { | |
149 | status = (*v->pre_rtn)(q, Argv, cl, 0); | |
9969e1bc | 150 | if (status != SMS_SUCCESS) |
d353058b | 151 | goto out; |
7536027d | 152 | } |
153 | ||
d26cae4e | 154 | switch (q->type) { |
faad6f39 | 155 | case RETRIEVE: |
7536027d | 156 | /* for queries that do not permit wildcarding, check if row |
157 | uniquely exists */ | |
158 | if (v && v->field) { | |
159 | status = validate_row(q, Argv, v); | |
160 | if (status != SMS_EXISTS) break; | |
161 | } | |
162 | ||
163 | /* build "where" clause if needed */ | |
d26cae4e | 164 | if (q->qual) { |
165 | build_qual(q->qual, q->argc, Argv, qual); | |
7536027d | 166 | pqual = qual; |
167 | } else { | |
168 | pqual = 0; | |
169 | } | |
170 | ||
cc1231a1 | 171 | /* build "sort" clause if needed */ |
172 | if (v && v->valobj) { | |
173 | psort = build_sort(v, sort); | |
174 | } else { | |
175 | psort = 0; | |
176 | } | |
177 | ||
7536027d | 178 | /* if there is a followup routine, then we must save the results */ |
179 | /* of the first query for use by the followup routine */ | |
cc1231a1 | 180 | /* if q->rvar = NULL, perform post_rtn only */ |
181 | if (q->rvar) { | |
7536027d | 182 | if (v && v->post_rtn) { |
183 | sq = sq_create(); | |
cc1231a1 | 184 | status = do_retrieve(q, pqual, psort, sq_save_args, sq); |
7536027d | 185 | if (status != SMS_SUCCESS) { |
186 | sq_destroy(sq); | |
187 | break; | |
188 | } | |
83526631 | 189 | status = (*v->post_rtn)(q, sq, v, action, actarg, cl); |
7536027d | 190 | } else { |
191 | /* normal retrieve */ | |
cc1231a1 | 192 | status = do_retrieve(q, pqual, psort, action, actarg); |
7536027d | 193 | } |
194 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 195 | table = q->rtable; |
7536027d | 196 | ## repeat replace tblstats (retrieves = tblstats.retrieves + 1) |
197 | ## where tblstats.#table = @table | |
198 | } else { | |
83526631 | 199 | status = (*v->post_rtn)(q, Argv, cl, action, actarg); |
7536027d | 200 | } |
201 | ||
d26cae4e | 202 | break; |
203 | ||
faad6f39 | 204 | case UPDATE: |
7536027d | 205 | /* see if row already exists */ |
206 | if (v->field) { | |
207 | status = validate_row(q, Argv, v); | |
208 | if (status != SMS_EXISTS) break; | |
209 | } | |
210 | ||
211 | /* build "where" clause and perform update */ | |
cc1231a1 | 212 | /* if q->rvar = NULL, perform post_rtn only */ |
213 | if (q->rvar) { | |
7536027d | 214 | build_qual(q->qual, q->argc, Argv, qual); |
215 | status = do_update(q, &Argv[q->argc], qual, action, actarg); | |
216 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 217 | table = q->rtable; |
7536027d | 218 | ## repeat replace tblstats (updates = tblstats.updates + 1, |
219 | ## modtime = "now") | |
220 | ## where tblstats.#table = @table | |
d26cae4e | 221 | } |
7536027d | 222 | |
223 | /* execute followup routine (if any) */ | |
83526631 | 224 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
7536027d | 225 | |
d26cae4e | 226 | break; |
97479f6f | 227 | |
faad6f39 | 228 | case APPEND: |
7536027d | 229 | /* see if row already exists */ |
230 | if (v->field) { | |
231 | status = validate_row(q, Argv, v); | |
232 | if (status != SMS_NO_MATCH) break; | |
d26cae4e | 233 | } |
7536027d | 234 | |
235 | /* increment id number if necessary */ | |
d353058b | 236 | if (v->object_id) { |
83526631 | 237 | status = set_next_object_id(v->object_id, q->rtable); |
d353058b | 238 | if (status != SMS_SUCCESS) break; |
239 | } | |
7536027d | 240 | |
cc1231a1 | 241 | /* build "where" clause if needed */ |
242 | if (q->qual) { | |
243 | build_qual(q->qual, q->argc, Argv, qual); | |
244 | pqual = qual; | |
245 | } else { | |
246 | pqual = 0; | |
247 | } | |
248 | ||
7536027d | 249 | /* perform the append */ |
cc1231a1 | 250 | /* if q->rvar = NULL, perform post_rtn only */ |
251 | if (q->rvar) { | |
252 | status = do_append(q, &Argv[q->argc], pqual, action, actarg); | |
7536027d | 253 | if (status != SMS_SUCCESS) break; |
cc1231a1 | 254 | table = q->rtable; |
7536027d | 255 | ## repeat replace tblstats (appends = tblstats.appends + 1, |
256 | ## modtime = "now") | |
257 | ## where tblstats.#table = @table | |
258 | } | |
259 | ||
260 | /* execute followup routine */ | |
83526631 | 261 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 262 | break; |
97479f6f | 263 | |
faad6f39 | 264 | case DELETE: |
7536027d | 265 | /* see if row already exists */ |
266 | if (v->field) { | |
267 | status = validate_row(q, Argv, v); | |
268 | if (status != SMS_EXISTS) break; | |
269 | } | |
270 | ||
271 | /* build "where" clause and perform delete */ | |
cc1231a1 | 272 | /* if q->rvar = NULL, perform post_rtn only */ |
273 | if (q->rvar) { | |
7536027d | 274 | build_qual(q->qual, q->argc, Argv, qual); |
275 | status = do_delete(q, qual, action, actarg); | |
276 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 277 | table = q->rtable; |
7536027d | 278 | ## repeat replace tblstats (deletes = tblstats.deletes + 1, |
279 | ## modtime = "now") | |
280 | ## where tblstats.#table = @table | |
97479f6f | 281 | } |
7536027d | 282 | |
283 | /* execute followup routine */ | |
83526631 | 284 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 285 | break; |
7536027d | 286 | |
d26cae4e | 287 | } |
7536027d | 288 | |
d353058b | 289 | out: |
3df9e21e | 290 | if (q->type != RETRIEVE) { |
291 | if (status == SMS_SUCCESS) { | |
d353058b | 292 | ## end transaction /* commit to this */ |
83526631 | 293 | if (journal) { |
294 | char buf[1024], *bp; | |
295 | int i; | |
296 | extern time_t now; | |
297 | ||
298 | fprintf(journal, "%% %s %s %s", | |
299 | cl->clname, cl->entity, ctime(&now)); | |
300 | fprintf(journal, "%s[%d] ", q->name, cl->args->sms_version_no); | |
301 | for (i = 0; i < argc; i++) { | |
302 | if (i != 0) { | |
303 | putc(' ', journal); | |
304 | } | |
305 | requote(buf, argv_ro[i], sizeof(buf)); | |
306 | fputs(buf, journal); | |
307 | } | |
308 | putc('\n', journal); | |
309 | fflush(journal); | |
310 | } | |
3df9e21e | 311 | } else { |
d353058b | 312 | ## abort /* it never happened */ |
3df9e21e | 313 | } |
314 | } | |
7536027d | 315 | |
1bf7f927 | 316 | if (status != SMS_SUCCESS && log_flags & LOG_RES) |
317 | com_err(whoami, status, " (Query failed)"); | |
7536027d | 318 | return(status); |
97479f6f | 319 | } |
320 | ||
321 | build_qual(fmt, argc, argv, qual) | |
322 | char *fmt; | |
323 | int argc; | |
324 | char *argv[]; | |
325 | char *qual; | |
326 | { | |
7536027d | 327 | register char *c; |
328 | register int i; | |
329 | char *args[4]; | |
83526631 | 330 | char *index(); |
7536027d | 331 | |
332 | c = fmt; | |
333 | for (i = 0; i < argc; i++) { | |
83526631 | 334 | c = index(c, '%'); |
7536027d | 335 | if (c++ == (char *)0) return(SMS_ARGS); |
336 | if (*c == 's') | |
337 | args[i] = argv[i]; | |
338 | else if (*c == 'd') | |
339 | *(int *)&args[i] = *(int *)argv[i]; /* sigh */ | |
340 | else | |
341 | return(SMS_INGRES_ERR); | |
342 | } | |
343 | ||
d26cae4e | 344 | switch (argc) { |
345 | case 0: | |
346 | strcpy(qual, fmt); | |
347 | break; | |
348 | ||
349 | case 1: | |
7536027d | 350 | sprintf(qual, fmt, args[0]); |
d26cae4e | 351 | break; |
352 | ||
353 | case 2: | |
7536027d | 354 | sprintf(qual, fmt, args[0], args[1]); |
d26cae4e | 355 | break; |
356 | ||
357 | case 3: | |
7536027d | 358 | sprintf(qual, fmt, args[0], args[1], args[2]); |
d26cae4e | 359 | break; |
360 | ||
361 | case 4: | |
7536027d | 362 | sprintf(qual, fmt, args[0], args[1], args[2], args[3]); |
d26cae4e | 363 | break; |
364 | } | |
83526631 | 365 | return(SMS_SUCCESS); |
97479f6f | 366 | } |
367 | ||
cc1231a1 | 368 | char * |
369 | build_sort(v, sort) | |
370 | register struct validate *v; | |
371 | char *sort; | |
372 | { | |
373 | register struct valobj *vo; | |
374 | register int n; | |
375 | char elem[16]; | |
376 | ||
377 | n = v->objcnt; | |
378 | vo = v->valobj; | |
379 | *sort = 0; | |
380 | ||
381 | while (--n >= 0) { | |
382 | if (vo->type == V_SORT) { | |
383 | sprintf(elem, "RET_VAR%d", vo->index + 1); | |
384 | if (*sort) strcat(sort, ", "); | |
385 | strcat(sort, elem); | |
386 | } | |
387 | vo++; | |
388 | } | |
389 | ||
390 | return ((*sort) ? sort : 0); | |
391 | } | |
392 | ||
9969e1bc | 393 | |
394 | /* Build arguement vector, verify query and arguments */ | |
395 | ||
396 | sms_verify_query(cl, q, argc, argv_ro) | |
397 | client *cl; | |
398 | struct query *q; | |
399 | int argc; | |
400 | char *argv_ro[]; | |
401 | { | |
402 | register int argreq; | |
403 | register int status; | |
404 | register struct validate *v = q->validate; | |
405 | register int i; | |
406 | register int privileged = 0; | |
407 | ||
408 | /* copy the arguments into a local argv that we can modify */ | |
409 | for (i = 0; i < argc; i++) { | |
410 | if (strlen(argv_ro[i]) < ARGLEN) | |
411 | strcpy(Argv[i], argv_ro[i]); | |
412 | else | |
413 | return(SMS_ARG_TOO_LONG); | |
414 | } | |
415 | ||
416 | /* check initial query access */ | |
417 | status = check_query_access(q, Argv, cl); | |
418 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
419 | return(status); | |
420 | if (status == SMS_SUCCESS) | |
421 | privileged++; | |
422 | ||
423 | /* check argument count */ | |
424 | argreq = q->argc; | |
425 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
426 | if (argc != argreq) return(SMS_ARGS); | |
427 | ||
428 | /* validate arguments */ | |
429 | if (v && v->valobj) { | |
430 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
431 | if (status != SMS_SUCCESS) return(status); | |
432 | } | |
433 | ||
434 | /* perform special query access check */ | |
435 | if (!privileged && v && v->acs_rtn) { | |
436 | status = (*v->acs_rtn)(q, Argv, cl); | |
437 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
438 | return(status); | |
439 | if (status == SMS_SUCCESS) | |
440 | privileged++; | |
441 | } | |
442 | ||
443 | return(privileged ? SMS_SUCCESS : SMS_PERM); | |
444 | } | |
445 | ||
7536027d | 446 | check_query_access(q, argv, cl) |
447 | struct query *q; | |
448 | char *argv[]; | |
449 | client *cl; | |
d26cae4e | 450 | ##{ |
7536027d | 451 | ## char *name; |
452 | ## int acl_id; | |
453 | ## int exists; | |
d26cae4e | 454 | ## int rowcount; |
cc1231a1 | 455 | ## int errorno; |
7536027d | 456 | ## static int def_uid; |
457 | int status; | |
458 | int client_id; | |
459 | char *client_type; | |
460 | ||
461 | /* get query access control list */ | |
462 | name = q->shortname; | |
463 | ## repeat retrieve (acl_id = capacls.list_id) where capacls.tag = @name | |
cc1231a1 | 464 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
465 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 466 | if (rowcount == 0) return(SMS_PERM); |
d26cae4e | 467 | |
7536027d | 468 | /* initialize default uid */ |
469 | if (def_uid == 0) { | |
470 | ## retrieve (def_uid = users.users_id) where users.login = "default" | |
d26cae4e | 471 | } |
97479f6f | 472 | |
7536027d | 473 | /* check for default access */ |
474 | ## range of m is members | |
475 | ## repeat retrieve (exists = any(m.#member_id where m.list_id = @acl_id and | |
476 | ## m.member_type = "USER" and m.#member_id = def_uid)) | |
477 | if (exists) return(SMS_SUCCESS); | |
478 | ||
479 | /* parse client name */ | |
480 | status = get_client(cl, &client_type, &client_id); | |
481 | if (status != SMS_SUCCESS) return(status); | |
482 | ||
7536027d | 483 | /* see if client is in the list (or any of its sub-lists) */ |
83526631 | 484 | exists = find_member("LIST", acl_id, client_type, client_id, 0); |
7536027d | 485 | return ((exists) ? SMS_SUCCESS : SMS_PERM); |
486 | ##} | |
97479f6f | 487 | |
7536027d | 488 | get_client(cl, client_type, client_id) |
489 | client *cl; | |
490 | char **client_type; | |
491 | int *client_id; | |
492 | ##{ | |
493 | struct krbname *krb; | |
494 | ## int member_id; | |
495 | ## char *name; | |
496 | ## int rowcount; | |
497 | ||
6ec81cbf | 498 | if (cl->clname == NULL) |
499 | return SMS_PERM; | |
500 | ||
19bf23eb | 501 | /* for now ignore instances */ |
7536027d | 502 | krb = &cl->kname; |
7536027d | 503 | |
504 | /* if client is from local realm, get users_id */ | |
505 | if (!strcmp(krb->realm, krb_realm)) { | |
83526631 | 506 | *client_id = cl->users_id; |
7536027d | 507 | *client_type = "USER"; |
83526631 | 508 | return(SMS_SUCCESS); |
7536027d | 509 | } |
83526631 | 510 | |
511 | /* otherwise use string_id */ | |
512 | name = cl->clname; | |
513 | ## repeat retrieve (member_id = strings.string_id) | |
514 | ## where strings.string = @name | |
7536027d | 515 | |
516 | /* make sure we found a users or string id */ | |
d26cae4e | 517 | ## inquire_equel (rowcount = "rowcount") |
7536027d | 518 | if (rowcount == 0) return(SMS_PERM); |
519 | ||
83526631 | 520 | *client_type = "STRING"; |
7536027d | 521 | *client_id = member_id; |
522 | return(SMS_SUCCESS); | |
523 | ##} | |
97479f6f | 524 | |
83526631 | 525 | ##find_member(list_type, list_id, member_type, member_id, sq) |
526 | char *list_type; | |
7536027d | 527 | ## int list_id; |
528 | ## char *member_type; | |
529 | ## int member_id; | |
530 | struct save_queue *sq; | |
531 | ##{ | |
532 | ## int exists; | |
533 | ## int sublist; | |
534 | int child; | |
535 | struct save_queue *sq_create(); | |
536 | ||
537 | /* see if client is a direct member of list */ | |
538 | ## repeat retrieve (exists = any(m.#member_id where | |
539 | ## m.#list_id = @list_id and | |
540 | ## m.#member_type = @member_type and | |
541 | ## m.#member_id = @member_id)) | |
542 | if (exists) return(1); | |
543 | ||
544 | /* are there any sub-lists? */ | |
7536027d | 545 | ## repeat retrieve (exists = any(m.#member_id where m.#list_id = @list_id and |
546 | ## m.#member_type = "LIST")) | |
547 | if (!exists) return(0); | |
548 | ||
549 | /* yes; now recurse through sublists */ | |
550 | ||
551 | /* create a save queue */ | |
552 | if (sq == (struct save_queue *)0) { | |
553 | sq = sq_create(); | |
554 | child = 0; | |
555 | } else { | |
556 | child = 1; | |
d26cae4e | 557 | } |
97479f6f | 558 | |
7536027d | 559 | /* save all sublist ids */ |
560 | ## range of m is members | |
561 | ## retrieve (sublist = m.#member_id) | |
562 | ## where m.#list_id = list_id and m.#member_type = "LIST" | |
563 | ## { | |
564 | sq_save_unique_data(sq, sublist); | |
565 | ## } | |
566 | ||
83526631 | 567 | if (child) return(0); |
7536027d | 568 | |
7536027d | 569 | /* at top-level, check sub-lists for client (breadth-first search) */ |
570 | while (sq_get_data(sq, &sublist)) { | |
83526631 | 571 | exists = find_member(list_type, sublist, member_type, member_id, sq); |
7536027d | 572 | if (exists) { |
573 | sq_destroy(sq); | |
574 | return(1); | |
575 | } | |
576 | } | |
83526631 | 577 | sq_destroy(sq); |
578 | return(0); | |
d26cae4e | 579 | ##} |
97479f6f | 580 | |
83526631 | 581 | |
cc1231a1 | 582 | do_retrieve(q, pqual, psort, action, actarg) |
d26cae4e | 583 | register struct query *q; |
cc1231a1 | 584 | char *pqual; |
585 | char *psort; | |
d26cae4e | 586 | int (*action)(); |
587 | char *actarg; | |
588 | ##{ | |
589 | ## char *rvar; | |
590 | ## char *rtable; | |
591 | ## char *cqual; | |
cc1231a1 | 592 | ## char *csort; |
d26cae4e | 593 | ## int rowcount; |
cc1231a1 | 594 | ## int errorno; |
83526631 | 595 | static char **vaddrs = (char **)NULL; |
596 | ||
597 | if (!vaddrs) { | |
598 | register int i; | |
599 | ||
600 | if ((vaddrs = (char **)malloc(sizeof(char *) * QMAXARGS)) == NULL) { | |
601 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
602 | exit(1); | |
603 | } | |
604 | for (i = 0; i < QMAXARGS; i++) { | |
605 | if ((vaddrs[i] = malloc(QMAXARGSIZE)) == NULL) { | |
606 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
607 | exit(1); | |
608 | } | |
609 | } | |
610 | } | |
7536027d | 611 | |
d26cae4e | 612 | if (q->rvar) { |
613 | rvar = q->rvar; | |
614 | rtable = q->rtable; | |
615 | ## range of rvar is rtable | |
616 | } | |
97479f6f | 617 | |
cc1231a1 | 618 | if (psort) { |
619 | csort = psort; | |
620 | if (pqual) { | |
621 | cqual = pqual; | |
83526631 | 622 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 623 | ## sort by csort |
624 | ## { | |
83526631 | 625 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 626 | ## } |
627 | } else { | |
83526631 | 628 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 629 | ## sort by csort |
630 | ## { | |
83526631 | 631 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 632 | ## } |
633 | } | |
634 | ||
7536027d | 635 | } else { |
cc1231a1 | 636 | if (pqual) { |
637 | cqual = pqual; | |
83526631 | 638 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 639 | ## { |
83526631 | 640 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 641 | ## } |
642 | } else { | |
83526631 | 643 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 644 | ## { |
83526631 | 645 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 646 | ## } |
647 | } | |
7536027d | 648 | } |
97479f6f | 649 | |
cc1231a1 | 650 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
651 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 652 | return ((rowcount == 0) ? SMS_NO_MATCH : SMS_SUCCESS); |
d26cae4e | 653 | ##} |
97479f6f | 654 | |
e38c941b | 655 | do_update(q, argv, qual, action, actarg) |
d26cae4e | 656 | register struct query *q; |
657 | char *argv[]; | |
658 | char *qual; | |
659 | int (*action)(); | |
660 | char *actarg; | |
661 | ##{ | |
662 | ## char *rvar; | |
663 | ## char *rtable; | |
664 | ## char *cqual; | |
cc1231a1 | 665 | ## int errorno; |
97479f6f | 666 | |
d26cae4e | 667 | rvar = q->rvar; |
668 | rtable = q->rtable; | |
669 | ## range of rvar is rtable | |
97479f6f | 670 | |
d26cae4e | 671 | cqual = qual; |
672 | ## replace rvar (param (q->tlist, argv)) | |
673 | ## where cqual | |
97479f6f | 674 | |
cc1231a1 | 675 | ## inquire_equel (errorno = "errorno") |
4a7b7001 | 676 | if (errorno == INGRES_BAD_INT) |
8fcb440e | 677 | return(SMS_INTEGER); |
678 | else if (errorno != 0) | |
679 | return(SMS_INGRES_ERR); | |
7536027d | 680 | return(SMS_SUCCESS); |
d26cae4e | 681 | ##} |
97479f6f | 682 | |
cc1231a1 | 683 | do_append(q, argv, pqual, action, actarg) |
d26cae4e | 684 | register struct query *q; |
685 | char *argv[]; | |
cc1231a1 | 686 | char *pqual; |
d26cae4e | 687 | int (*action)(); |
688 | char *actarg; | |
689 | ##{ | |
690 | ## char *rvar; | |
691 | ## char *rtable; | |
7536027d | 692 | ## char *cqual; |
cc1231a1 | 693 | ## int errorno; |
97479f6f | 694 | |
d26cae4e | 695 | rvar = q->rvar; |
696 | rtable = q->rtable; | |
697 | ## range of rvar is rtable | |
97479f6f | 698 | |
cc1231a1 | 699 | if (pqual) { |
700 | cqual = pqual; | |
7536027d | 701 | ## append to rtable (param (q->tlist, argv)) where cqual |
702 | } else { | |
703 | ## append to rtable (param (q->tlist, argv)) | |
704 | } | |
97479f6f | 705 | |
cc1231a1 | 706 | ## inquire_equel (errorno = "errorno") |
8fcb440e | 707 | if (errorno == INGRES_BAD_INT) |
708 | return(SMS_INTEGER); | |
709 | else if (errorno != 0) | |
710 | return(SMS_INGRES_ERR); | |
7536027d | 711 | return(SMS_SUCCESS); |
d26cae4e | 712 | ##} |
97479f6f | 713 | |
e38c941b | 714 | do_delete(q, qual, action, actarg) |
d26cae4e | 715 | register struct query *q; |
716 | char *qual; | |
717 | int (*action)(); | |
718 | char *actarg; | |
719 | ##{ | |
720 | ## char *rvar; | |
721 | ## char *rtable; | |
722 | ## char *cqual; | |
cc1231a1 | 723 | ## int errorno; |
97479f6f | 724 | |
d26cae4e | 725 | rvar = q->rvar; |
726 | rtable = q->rtable; | |
727 | ## range of rvar is rtable | |
97479f6f | 728 | |
d26cae4e | 729 | cqual = qual; |
730 | ## delete rvar where cqual | |
97479f6f | 731 | |
cc1231a1 | 732 | ## inquire_equel (errorno = "errorno") |
733 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 734 | return(SMS_SUCCESS); |
d26cae4e | 735 | ##} |
97479f6f | 736 | |
d26cae4e | 737 | |
83526631 | 738 | /** |
739 | ** set_next_object_id - set next object id in values table | |
740 | ** | |
741 | ** Inputs: object - object name in values table and in objects | |
742 | ** table - name of table objects are found in | |
743 | ** | |
744 | ** - called before an APPEND operation to set the next object id to | |
745 | ** be used for the new record to the next free value | |
746 | ** | |
747 | **/ | |
748 | ||
749 | set_next_object_id(object, table) | |
750 | char *object; | |
751 | char *table; | |
752 | ##{ | |
753 | ## char *name, *tbl; | |
754 | ## int rowcount, exists, value; | |
755 | ||
756 | name = object; | |
757 | tbl = table; | |
758 | ## range of v is values | |
759 | ## repeat retrieve (value = v.#value) where v.#name = @name | |
760 | ## inquire_equel(rowcount = "rowcount") | |
761 | if (rowcount != 1) | |
8fcb440e | 762 | return(SMS_NO_ID); |
83526631 | 763 | |
764 | ## retrieve (exists = any(tbl.name where tbl.name = value)) | |
765 | ## inquire_equel(rowcount = "rowcount") | |
766 | if (rowcount != 1) | |
8fcb440e | 767 | return(SMS_NO_ID); |
83526631 | 768 | while (exists) { |
769 | value++; | |
8fcb440e | 770 | if (value > MAX_ID_VALUE) |
771 | value = MIN_ID_VALUE; | |
83526631 | 772 | ## retrieve (exists = any(tbl.name where tbl.name = value)) |
773 | } | |
774 | ||
775 | if (LOG_RES) | |
776 | com_err(whoami, 0, "setting ID %s to %d", name, value); | |
777 | ## repeat replace v (#value = @value) where v.#name = @name | |
778 | return(SMS_SUCCESS); | |
779 | ##} | |
780 | ||
781 | ||
782 | /* For now this just checks the argc's. It should also see that there | |
783 | * are no duplicate names. | |
784 | */ | |
785 | ||
786 | sanity_check_queries() | |
787 | { | |
788 | register int i; | |
789 | int maxv = 0, maxa = 0; | |
790 | extern int QueryCount1, QueryCount2; | |
791 | extern struct query Queries1[], Queries2[]; | |
792 | #define MAX(x,y) ((x) > (y) ? (x) : (y)) | |
793 | ||
794 | for (i = 0; i < QueryCount1; i++) { | |
795 | maxv = MAX(maxv, Queries1[i].vcnt); | |
796 | maxa = MAX(maxa, Queries1[i].argc); | |
797 | } | |
798 | for (i = 0; i < QueryCount2; i++) { | |
799 | maxv = MAX(maxv, Queries2[i].vcnt); | |
800 | maxa = MAX(maxa, Queries2[i].argc); | |
801 | } | |
802 | if (MAX(maxv, maxa) > QMAXARGS) { | |
803 | com_err(whoami, 0, "A query has more args than QMAXARGS"); | |
804 | exit(1); | |
805 | } | |
806 | } | |
807 | ||
808 | ||
d26cae4e | 809 | /* |
810 | * Local Variables: | |
811 | * mode: c | |
812 | * c-indent-level: 4 | |
813 | * c-continued-statement-offset: 4 | |
814 | * c-brace-offset: -4 | |
815 | * c-argdecl-indent: 4 | |
816 | * c-label-offset: -4 | |
817 | * End: | |
818 | */ | |
819 |