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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); | |
0a7ae10e | 51 | critical_alert("SMS", "SMS server encountered INGRES ERROR %d", *num); |
8fcb440e | 52 | return (*num); |
53 | } | |
54 | return (0); | |
97479f6f | 55 | } |
56 | ||
d26cae4e | 57 | int sms_open_database() |
97479f6f | 58 | { |
d26cae4e | 59 | register int i; |
83526631 | 60 | char *malloc(); |
97479f6f | 61 | |
d26cae4e | 62 | /* initialize local argv */ |
63 | for (i = 0; i < 16; i++) | |
83526631 | 64 | Argv[i] = malloc(ARGLEN); |
97479f6f | 65 | |
d26cae4e | 66 | IIseterr(ingerr); |
97479f6f | 67 | |
d26cae4e | 68 | ingres_errno = 0; |
97479f6f | 69 | |
d26cae4e | 70 | /* open the database */ |
71 | ## ingres sms | |
72 | return ingres_errno; | |
97479f6f | 73 | } |
74 | ||
d26cae4e | 75 | int sms_close_database() |
97479f6f | 76 | { |
d26cae4e | 77 | ## exit |
97479f6f | 78 | } |
79 | ||
7536027d | 80 | sms_check_access(cl, name, argc, argv_ro) |
81 | client *cl; | |
82 | char *name; | |
83 | int argc; | |
84 | char *argv_ro[]; | |
85 | { | |
9969e1bc | 86 | struct query *q; |
7536027d | 87 | struct query *get_query_by_name(); |
7536027d | 88 | |
83526631 | 89 | q = get_query_by_name(name, cl->args->sms_version_no); |
9969e1bc | 90 | if (q == (struct query *)0) |
91 | return(SMS_NO_HANDLE); | |
7536027d | 92 | |
9969e1bc | 93 | return(sms_verify_query(cl, q, argc, argv_ro)); |
7536027d | 94 | } |
95 | ||
96 | sms_process_query(cl, name, argc, argv_ro, action, actarg) | |
97 | client *cl; | |
d26cae4e | 98 | char *name; |
99 | int argc; | |
100 | char *argv_ro[]; | |
101 | int (*action)(); | |
102 | char *actarg; | |
97479f6f | 103 | { |
d26cae4e | 104 | register struct query *q; |
7536027d | 105 | register int status; |
7536027d | 106 | register struct validate *v; |
7536027d | 107 | char qual[256]; |
cc1231a1 | 108 | char sort[32]; |
7536027d | 109 | char *pqual; |
cc1231a1 | 110 | char *psort; |
7536027d | 111 | ## char *table; |
112 | struct save_queue *sq; | |
d26cae4e | 113 | struct query *get_query_by_name(); |
7536027d | 114 | int sq_save_args(); |
115 | struct save_queue *sq_create(); | |
cc1231a1 | 116 | char *build_sort(); |
d26cae4e | 117 | |
7536027d | 118 | /* list queries command */ |
119 | if (!strcmp(name, "_list_queries")) { | |
83526631 | 120 | list_queries(cl->args->sms_version_no, action, actarg); |
7536027d | 121 | return(SMS_SUCCESS); |
122 | } | |
123 | ||
124 | /* help query command */ | |
125 | if (!strcmp(name, "_help")) { | |
83526631 | 126 | if (argc < 1) |
127 | return(SMS_ARGS); | |
128 | q = get_query_by_name(argv_ro[0], cl->args->sms_version_no); | |
7536027d | 129 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
130 | help_query(q, action, actarg); | |
131 | return(SMS_SUCCESS); | |
132 | } | |
133 | ||
134 | /* get query structure, return error if named query does not exist */ | |
83526631 | 135 | q = get_query_by_name(name, cl->args->sms_version_no); |
7536027d | 136 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
137 | v = q->validate; | |
138 | ||
d353058b | 139 | if (q->type != RETRIEVE) |
140 | ## begin transaction | |
141 | ||
9969e1bc | 142 | /* setup argument vector, verify access and arguments */ |
143 | if ((status = sms_verify_query(cl, q, argc, argv_ro)) != SMS_SUCCESS) | |
d353058b | 144 | goto out; |
7536027d | 145 | |
146 | /* perform any special query pre-processing */ | |
147 | if (v && v->pre_rtn) { | |
148 | status = (*v->pre_rtn)(q, Argv, cl, 0); | |
9969e1bc | 149 | if (status != SMS_SUCCESS) |
d353058b | 150 | goto out; |
7536027d | 151 | } |
152 | ||
d26cae4e | 153 | switch (q->type) { |
faad6f39 | 154 | case RETRIEVE: |
7536027d | 155 | /* for queries that do not permit wildcarding, check if row |
156 | uniquely exists */ | |
157 | if (v && v->field) { | |
158 | status = validate_row(q, Argv, v); | |
159 | if (status != SMS_EXISTS) break; | |
160 | } | |
161 | ||
162 | /* build "where" clause if needed */ | |
d26cae4e | 163 | if (q->qual) { |
164 | build_qual(q->qual, q->argc, Argv, qual); | |
7536027d | 165 | pqual = qual; |
166 | } else { | |
167 | pqual = 0; | |
168 | } | |
169 | ||
cc1231a1 | 170 | /* build "sort" clause if needed */ |
171 | if (v && v->valobj) { | |
172 | psort = build_sort(v, sort); | |
173 | } else { | |
174 | psort = 0; | |
175 | } | |
176 | ||
7536027d | 177 | /* if there is a followup routine, then we must save the results */ |
178 | /* of the first query for use by the followup routine */ | |
cc1231a1 | 179 | /* if q->rvar = NULL, perform post_rtn only */ |
180 | if (q->rvar) { | |
7536027d | 181 | if (v && v->post_rtn) { |
182 | sq = sq_create(); | |
cc1231a1 | 183 | status = do_retrieve(q, pqual, psort, sq_save_args, sq); |
7536027d | 184 | if (status != SMS_SUCCESS) { |
185 | sq_destroy(sq); | |
186 | break; | |
187 | } | |
83526631 | 188 | status = (*v->post_rtn)(q, sq, v, action, actarg, cl); |
7536027d | 189 | } else { |
190 | /* normal retrieve */ | |
cc1231a1 | 191 | status = do_retrieve(q, pqual, psort, action, actarg); |
7536027d | 192 | } |
193 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 194 | table = q->rtable; |
7536027d | 195 | ## repeat replace tblstats (retrieves = tblstats.retrieves + 1) |
196 | ## where tblstats.#table = @table | |
197 | } else { | |
83526631 | 198 | status = (*v->post_rtn)(q, Argv, cl, action, actarg); |
7536027d | 199 | } |
200 | ||
d26cae4e | 201 | break; |
202 | ||
faad6f39 | 203 | case UPDATE: |
7536027d | 204 | /* see if row already exists */ |
205 | if (v->field) { | |
206 | status = validate_row(q, Argv, v); | |
207 | if (status != SMS_EXISTS) break; | |
208 | } | |
209 | ||
210 | /* build "where" clause and perform update */ | |
cc1231a1 | 211 | /* if q->rvar = NULL, perform post_rtn only */ |
212 | if (q->rvar) { | |
7536027d | 213 | build_qual(q->qual, q->argc, Argv, qual); |
214 | status = do_update(q, &Argv[q->argc], qual, action, actarg); | |
215 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 216 | table = q->rtable; |
37e49d47 | 217 | if (strcmp(q->shortname, "sshi") && strcmp(q->shortname, "ssif")) { |
218 | ## repeat replace tblstats (updates = tblstats.updates + 1, | |
219 | ## modtime = "now") | |
220 | ## where tblstats.#table = @table | |
221 | } | |
d26cae4e | 222 | } |
7536027d | 223 | |
224 | /* execute followup routine (if any) */ | |
83526631 | 225 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
7536027d | 226 | |
d26cae4e | 227 | break; |
97479f6f | 228 | |
faad6f39 | 229 | case APPEND: |
7536027d | 230 | /* see if row already exists */ |
231 | if (v->field) { | |
232 | status = validate_row(q, Argv, v); | |
233 | if (status != SMS_NO_MATCH) break; | |
d26cae4e | 234 | } |
7536027d | 235 | |
236 | /* increment id number if necessary */ | |
d353058b | 237 | if (v->object_id) { |
83526631 | 238 | status = set_next_object_id(v->object_id, q->rtable); |
d353058b | 239 | if (status != SMS_SUCCESS) break; |
240 | } | |
7536027d | 241 | |
cc1231a1 | 242 | /* build "where" clause if needed */ |
243 | if (q->qual) { | |
244 | build_qual(q->qual, q->argc, Argv, qual); | |
245 | pqual = qual; | |
246 | } else { | |
247 | pqual = 0; | |
248 | } | |
249 | ||
7536027d | 250 | /* perform the append */ |
cc1231a1 | 251 | /* if q->rvar = NULL, perform post_rtn only */ |
252 | if (q->rvar) { | |
253 | status = do_append(q, &Argv[q->argc], pqual, action, actarg); | |
7536027d | 254 | if (status != SMS_SUCCESS) break; |
cc1231a1 | 255 | table = q->rtable; |
7536027d | 256 | ## repeat replace tblstats (appends = tblstats.appends + 1, |
257 | ## modtime = "now") | |
258 | ## where tblstats.#table = @table | |
259 | } | |
260 | ||
261 | /* execute followup routine */ | |
83526631 | 262 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 263 | break; |
97479f6f | 264 | |
faad6f39 | 265 | case DELETE: |
7536027d | 266 | /* see if row already exists */ |
267 | if (v->field) { | |
268 | status = validate_row(q, Argv, v); | |
269 | if (status != SMS_EXISTS) break; | |
270 | } | |
271 | ||
272 | /* build "where" clause and perform delete */ | |
cc1231a1 | 273 | /* if q->rvar = NULL, perform post_rtn only */ |
274 | if (q->rvar) { | |
7536027d | 275 | build_qual(q->qual, q->argc, Argv, qual); |
276 | status = do_delete(q, qual, action, actarg); | |
277 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 278 | table = q->rtable; |
7536027d | 279 | ## repeat replace tblstats (deletes = tblstats.deletes + 1, |
280 | ## modtime = "now") | |
281 | ## where tblstats.#table = @table | |
97479f6f | 282 | } |
7536027d | 283 | |
284 | /* execute followup routine */ | |
83526631 | 285 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 286 | break; |
7536027d | 287 | |
d26cae4e | 288 | } |
7536027d | 289 | |
d353058b | 290 | out: |
3df9e21e | 291 | if (q->type != RETRIEVE) { |
292 | if (status == SMS_SUCCESS) { | |
d353058b | 293 | ## end transaction /* commit to this */ |
83526631 | 294 | if (journal) { |
295 | char buf[1024], *bp; | |
296 | int i; | |
297 | extern time_t now; | |
298 | ||
299 | fprintf(journal, "%% %s %s %s", | |
300 | cl->clname, cl->entity, ctime(&now)); | |
301 | fprintf(journal, "%s[%d] ", q->name, cl->args->sms_version_no); | |
302 | for (i = 0; i < argc; i++) { | |
303 | if (i != 0) { | |
304 | putc(' ', journal); | |
305 | } | |
306 | requote(buf, argv_ro[i], sizeof(buf)); | |
307 | fputs(buf, journal); | |
308 | } | |
309 | putc('\n', journal); | |
310 | fflush(journal); | |
311 | } | |
3df9e21e | 312 | } else { |
d353058b | 313 | ## abort /* it never happened */ |
3df9e21e | 314 | } |
315 | } | |
7536027d | 316 | |
1bf7f927 | 317 | if (status != SMS_SUCCESS && log_flags & LOG_RES) |
318 | com_err(whoami, status, " (Query failed)"); | |
7536027d | 319 | return(status); |
97479f6f | 320 | } |
321 | ||
322 | build_qual(fmt, argc, argv, qual) | |
323 | char *fmt; | |
324 | int argc; | |
325 | char *argv[]; | |
326 | char *qual; | |
327 | { | |
7536027d | 328 | register char *c; |
329 | register int i; | |
330 | char *args[4]; | |
83526631 | 331 | char *index(); |
7536027d | 332 | |
333 | c = fmt; | |
334 | for (i = 0; i < argc; i++) { | |
83526631 | 335 | c = index(c, '%'); |
7536027d | 336 | if (c++ == (char *)0) return(SMS_ARGS); |
337 | if (*c == 's') | |
338 | args[i] = argv[i]; | |
339 | else if (*c == 'd') | |
340 | *(int *)&args[i] = *(int *)argv[i]; /* sigh */ | |
341 | else | |
342 | return(SMS_INGRES_ERR); | |
343 | } | |
344 | ||
d26cae4e | 345 | switch (argc) { |
346 | case 0: | |
347 | strcpy(qual, fmt); | |
348 | break; | |
349 | ||
350 | case 1: | |
7536027d | 351 | sprintf(qual, fmt, args[0]); |
d26cae4e | 352 | break; |
353 | ||
354 | case 2: | |
7536027d | 355 | sprintf(qual, fmt, args[0], args[1]); |
d26cae4e | 356 | break; |
357 | ||
358 | case 3: | |
7536027d | 359 | sprintf(qual, fmt, args[0], args[1], args[2]); |
d26cae4e | 360 | break; |
361 | ||
362 | case 4: | |
7536027d | 363 | sprintf(qual, fmt, args[0], args[1], args[2], args[3]); |
d26cae4e | 364 | break; |
365 | } | |
83526631 | 366 | return(SMS_SUCCESS); |
97479f6f | 367 | } |
368 | ||
cc1231a1 | 369 | char * |
370 | build_sort(v, sort) | |
371 | register struct validate *v; | |
372 | char *sort; | |
373 | { | |
374 | register struct valobj *vo; | |
375 | register int n; | |
376 | char elem[16]; | |
377 | ||
378 | n = v->objcnt; | |
379 | vo = v->valobj; | |
380 | *sort = 0; | |
381 | ||
382 | while (--n >= 0) { | |
383 | if (vo->type == V_SORT) { | |
384 | sprintf(elem, "RET_VAR%d", vo->index + 1); | |
385 | if (*sort) strcat(sort, ", "); | |
386 | strcat(sort, elem); | |
387 | } | |
388 | vo++; | |
389 | } | |
390 | ||
391 | return ((*sort) ? sort : 0); | |
392 | } | |
393 | ||
9969e1bc | 394 | |
395 | /* Build arguement vector, verify query and arguments */ | |
396 | ||
397 | sms_verify_query(cl, q, argc, argv_ro) | |
398 | client *cl; | |
399 | struct query *q; | |
400 | int argc; | |
401 | char *argv_ro[]; | |
402 | { | |
403 | register int argreq; | |
404 | register int status; | |
405 | register struct validate *v = q->validate; | |
406 | register int i; | |
407 | register int privileged = 0; | |
408 | ||
409 | /* copy the arguments into a local argv that we can modify */ | |
410 | for (i = 0; i < argc; i++) { | |
411 | if (strlen(argv_ro[i]) < ARGLEN) | |
412 | strcpy(Argv[i], argv_ro[i]); | |
413 | else | |
414 | return(SMS_ARG_TOO_LONG); | |
415 | } | |
416 | ||
417 | /* check initial query access */ | |
418 | status = check_query_access(q, Argv, cl); | |
419 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
420 | return(status); | |
421 | if (status == SMS_SUCCESS) | |
422 | privileged++; | |
423 | ||
424 | /* check argument count */ | |
425 | argreq = q->argc; | |
426 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
427 | if (argc != argreq) return(SMS_ARGS); | |
428 | ||
429 | /* validate arguments */ | |
430 | if (v && v->valobj) { | |
431 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
432 | if (status != SMS_SUCCESS) return(status); | |
433 | } | |
434 | ||
435 | /* perform special query access check */ | |
436 | if (!privileged && v && v->acs_rtn) { | |
437 | status = (*v->acs_rtn)(q, Argv, cl); | |
438 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
439 | return(status); | |
440 | if (status == SMS_SUCCESS) | |
441 | privileged++; | |
442 | } | |
443 | ||
444 | return(privileged ? SMS_SUCCESS : SMS_PERM); | |
445 | } | |
446 | ||
7536027d | 447 | check_query_access(q, argv, cl) |
448 | struct query *q; | |
449 | char *argv[]; | |
450 | client *cl; | |
d26cae4e | 451 | ##{ |
7536027d | 452 | ## char *name; |
453 | ## int acl_id; | |
454 | ## int exists; | |
d26cae4e | 455 | ## int rowcount; |
cc1231a1 | 456 | ## int errorno; |
7536027d | 457 | ## static int def_uid; |
458 | int status; | |
459 | int client_id; | |
460 | char *client_type; | |
461 | ||
462 | /* get query access control list */ | |
463 | name = q->shortname; | |
464 | ## repeat retrieve (acl_id = capacls.list_id) where capacls.tag = @name | |
cc1231a1 | 465 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
466 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 467 | if (rowcount == 0) return(SMS_PERM); |
d26cae4e | 468 | |
7536027d | 469 | /* initialize default uid */ |
470 | if (def_uid == 0) { | |
471 | ## retrieve (def_uid = users.users_id) where users.login = "default" | |
d26cae4e | 472 | } |
97479f6f | 473 | |
7536027d | 474 | /* check for default access */ |
475 | ## range of m is members | |
476 | ## repeat retrieve (exists = any(m.#member_id where m.list_id = @acl_id and | |
477 | ## m.member_type = "USER" and m.#member_id = def_uid)) | |
478 | if (exists) return(SMS_SUCCESS); | |
479 | ||
480 | /* parse client name */ | |
481 | status = get_client(cl, &client_type, &client_id); | |
482 | if (status != SMS_SUCCESS) return(status); | |
483 | ||
7536027d | 484 | /* see if client is in the list (or any of its sub-lists) */ |
83526631 | 485 | exists = find_member("LIST", acl_id, client_type, client_id, 0); |
7536027d | 486 | return ((exists) ? SMS_SUCCESS : SMS_PERM); |
487 | ##} | |
97479f6f | 488 | |
7536027d | 489 | get_client(cl, client_type, client_id) |
490 | client *cl; | |
491 | char **client_type; | |
492 | int *client_id; | |
493 | ##{ | |
494 | struct krbname *krb; | |
495 | ## int member_id; | |
496 | ## char *name; | |
497 | ## int rowcount; | |
498 | ||
6ec81cbf | 499 | if (cl->clname == NULL) |
500 | return SMS_PERM; | |
501 | ||
19bf23eb | 502 | /* for now ignore instances */ |
7536027d | 503 | krb = &cl->kname; |
7536027d | 504 | |
505 | /* if client is from local realm, get users_id */ | |
506 | if (!strcmp(krb->realm, krb_realm)) { | |
83526631 | 507 | *client_id = cl->users_id; |
7536027d | 508 | *client_type = "USER"; |
83526631 | 509 | return(SMS_SUCCESS); |
7536027d | 510 | } |
83526631 | 511 | |
512 | /* otherwise use string_id */ | |
513 | name = cl->clname; | |
514 | ## repeat retrieve (member_id = strings.string_id) | |
515 | ## where strings.string = @name | |
7536027d | 516 | |
517 | /* make sure we found a users or string id */ | |
d26cae4e | 518 | ## inquire_equel (rowcount = "rowcount") |
7536027d | 519 | if (rowcount == 0) return(SMS_PERM); |
520 | ||
83526631 | 521 | *client_type = "STRING"; |
7536027d | 522 | *client_id = member_id; |
523 | return(SMS_SUCCESS); | |
524 | ##} | |
97479f6f | 525 | |
83526631 | 526 | ##find_member(list_type, list_id, member_type, member_id, sq) |
527 | char *list_type; | |
7536027d | 528 | ## int list_id; |
529 | ## char *member_type; | |
530 | ## int member_id; | |
531 | struct save_queue *sq; | |
532 | ##{ | |
533 | ## int exists; | |
534 | ## int sublist; | |
535 | int child; | |
536 | struct save_queue *sq_create(); | |
537 | ||
538 | /* see if client is a direct member of list */ | |
539 | ## repeat retrieve (exists = any(m.#member_id where | |
540 | ## m.#list_id = @list_id and | |
541 | ## m.#member_type = @member_type and | |
542 | ## m.#member_id = @member_id)) | |
543 | if (exists) return(1); | |
544 | ||
545 | /* are there any sub-lists? */ | |
7536027d | 546 | ## repeat retrieve (exists = any(m.#member_id where m.#list_id = @list_id and |
547 | ## m.#member_type = "LIST")) | |
548 | if (!exists) return(0); | |
549 | ||
550 | /* yes; now recurse through sublists */ | |
551 | ||
552 | /* create a save queue */ | |
553 | if (sq == (struct save_queue *)0) { | |
554 | sq = sq_create(); | |
555 | child = 0; | |
556 | } else { | |
557 | child = 1; | |
d26cae4e | 558 | } |
97479f6f | 559 | |
7536027d | 560 | /* save all sublist ids */ |
561 | ## range of m is members | |
562 | ## retrieve (sublist = m.#member_id) | |
563 | ## where m.#list_id = list_id and m.#member_type = "LIST" | |
564 | ## { | |
565 | sq_save_unique_data(sq, sublist); | |
566 | ## } | |
567 | ||
83526631 | 568 | if (child) return(0); |
7536027d | 569 | |
7536027d | 570 | /* at top-level, check sub-lists for client (breadth-first search) */ |
571 | while (sq_get_data(sq, &sublist)) { | |
83526631 | 572 | exists = find_member(list_type, sublist, member_type, member_id, sq); |
7536027d | 573 | if (exists) { |
574 | sq_destroy(sq); | |
575 | return(1); | |
576 | } | |
577 | } | |
83526631 | 578 | sq_destroy(sq); |
579 | return(0); | |
d26cae4e | 580 | ##} |
97479f6f | 581 | |
83526631 | 582 | |
cc1231a1 | 583 | do_retrieve(q, pqual, psort, action, actarg) |
d26cae4e | 584 | register struct query *q; |
cc1231a1 | 585 | char *pqual; |
586 | char *psort; | |
d26cae4e | 587 | int (*action)(); |
588 | char *actarg; | |
589 | ##{ | |
590 | ## char *rvar; | |
591 | ## char *rtable; | |
592 | ## char *cqual; | |
cc1231a1 | 593 | ## char *csort; |
d26cae4e | 594 | ## int rowcount; |
cc1231a1 | 595 | ## int errorno; |
83526631 | 596 | static char **vaddrs = (char **)NULL; |
597 | ||
598 | if (!vaddrs) { | |
599 | register int i; | |
600 | ||
601 | if ((vaddrs = (char **)malloc(sizeof(char *) * QMAXARGS)) == NULL) { | |
602 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
603 | exit(1); | |
604 | } | |
605 | for (i = 0; i < QMAXARGS; i++) { | |
606 | if ((vaddrs[i] = malloc(QMAXARGSIZE)) == NULL) { | |
607 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
608 | exit(1); | |
609 | } | |
610 | } | |
611 | } | |
7536027d | 612 | |
d26cae4e | 613 | if (q->rvar) { |
614 | rvar = q->rvar; | |
615 | rtable = q->rtable; | |
616 | ## range of rvar is rtable | |
617 | } | |
97479f6f | 618 | |
cc1231a1 | 619 | if (psort) { |
620 | csort = psort; | |
621 | if (pqual) { | |
622 | cqual = pqual; | |
83526631 | 623 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 624 | ## sort by csort |
625 | ## { | |
83526631 | 626 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 627 | ## } |
628 | } else { | |
83526631 | 629 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 630 | ## sort by csort |
631 | ## { | |
83526631 | 632 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 633 | ## } |
634 | } | |
635 | ||
7536027d | 636 | } else { |
cc1231a1 | 637 | if (pqual) { |
638 | cqual = pqual; | |
83526631 | 639 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 640 | ## { |
83526631 | 641 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 642 | ## } |
643 | } else { | |
83526631 | 644 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 645 | ## { |
83526631 | 646 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 647 | ## } |
648 | } | |
7536027d | 649 | } |
97479f6f | 650 | |
cc1231a1 | 651 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
652 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 653 | return ((rowcount == 0) ? SMS_NO_MATCH : SMS_SUCCESS); |
d26cae4e | 654 | ##} |
97479f6f | 655 | |
e38c941b | 656 | do_update(q, argv, qual, action, actarg) |
d26cae4e | 657 | register struct query *q; |
658 | char *argv[]; | |
659 | char *qual; | |
660 | int (*action)(); | |
661 | char *actarg; | |
662 | ##{ | |
663 | ## char *rvar; | |
664 | ## char *rtable; | |
665 | ## char *cqual; | |
cc1231a1 | 666 | ## int errorno; |
97479f6f | 667 | |
d26cae4e | 668 | rvar = q->rvar; |
669 | rtable = q->rtable; | |
670 | ## range of rvar is rtable | |
97479f6f | 671 | |
d26cae4e | 672 | cqual = qual; |
673 | ## replace rvar (param (q->tlist, argv)) | |
674 | ## where cqual | |
97479f6f | 675 | |
cc1231a1 | 676 | ## inquire_equel (errorno = "errorno") |
4a7b7001 | 677 | if (errorno == INGRES_BAD_INT) |
8fcb440e | 678 | return(SMS_INTEGER); |
679 | else if (errorno != 0) | |
680 | return(SMS_INGRES_ERR); | |
7536027d | 681 | return(SMS_SUCCESS); |
d26cae4e | 682 | ##} |
97479f6f | 683 | |
cc1231a1 | 684 | do_append(q, argv, pqual, action, actarg) |
d26cae4e | 685 | register struct query *q; |
686 | char *argv[]; | |
cc1231a1 | 687 | char *pqual; |
d26cae4e | 688 | int (*action)(); |
689 | char *actarg; | |
690 | ##{ | |
691 | ## char *rvar; | |
692 | ## char *rtable; | |
7536027d | 693 | ## char *cqual; |
cc1231a1 | 694 | ## int errorno; |
97479f6f | 695 | |
d26cae4e | 696 | rvar = q->rvar; |
697 | rtable = q->rtable; | |
698 | ## range of rvar is rtable | |
97479f6f | 699 | |
cc1231a1 | 700 | if (pqual) { |
701 | cqual = pqual; | |
7536027d | 702 | ## append to rtable (param (q->tlist, argv)) where cqual |
703 | } else { | |
704 | ## append to rtable (param (q->tlist, argv)) | |
705 | } | |
97479f6f | 706 | |
cc1231a1 | 707 | ## inquire_equel (errorno = "errorno") |
8fcb440e | 708 | if (errorno == INGRES_BAD_INT) |
709 | return(SMS_INTEGER); | |
710 | else if (errorno != 0) | |
711 | return(SMS_INGRES_ERR); | |
7536027d | 712 | return(SMS_SUCCESS); |
d26cae4e | 713 | ##} |
97479f6f | 714 | |
e38c941b | 715 | do_delete(q, qual, action, actarg) |
d26cae4e | 716 | register struct query *q; |
717 | char *qual; | |
718 | int (*action)(); | |
719 | char *actarg; | |
720 | ##{ | |
721 | ## char *rvar; | |
722 | ## char *rtable; | |
723 | ## char *cqual; | |
cc1231a1 | 724 | ## int errorno; |
97479f6f | 725 | |
d26cae4e | 726 | rvar = q->rvar; |
727 | rtable = q->rtable; | |
728 | ## range of rvar is rtable | |
97479f6f | 729 | |
d26cae4e | 730 | cqual = qual; |
731 | ## delete rvar where cqual | |
97479f6f | 732 | |
cc1231a1 | 733 | ## inquire_equel (errorno = "errorno") |
734 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 735 | return(SMS_SUCCESS); |
d26cae4e | 736 | ##} |
97479f6f | 737 | |
d26cae4e | 738 | |
83526631 | 739 | /** |
740 | ** set_next_object_id - set next object id in values table | |
741 | ** | |
742 | ** Inputs: object - object name in values table and in objects | |
743 | ** table - name of table objects are found in | |
744 | ** | |
745 | ** - called before an APPEND operation to set the next object id to | |
746 | ** be used for the new record to the next free value | |
747 | ** | |
748 | **/ | |
749 | ||
750 | set_next_object_id(object, table) | |
751 | char *object; | |
752 | char *table; | |
753 | ##{ | |
754 | ## char *name, *tbl; | |
755 | ## int rowcount, exists, value; | |
756 | ||
757 | name = object; | |
758 | tbl = table; | |
759 | ## range of v is values | |
760 | ## repeat retrieve (value = v.#value) where v.#name = @name | |
761 | ## inquire_equel(rowcount = "rowcount") | |
762 | if (rowcount != 1) | |
8fcb440e | 763 | return(SMS_NO_ID); |
83526631 | 764 | |
765 | ## retrieve (exists = any(tbl.name where tbl.name = value)) | |
766 | ## inquire_equel(rowcount = "rowcount") | |
767 | if (rowcount != 1) | |
8fcb440e | 768 | return(SMS_NO_ID); |
83526631 | 769 | while (exists) { |
770 | value++; | |
8fcb440e | 771 | if (value > MAX_ID_VALUE) |
772 | value = MIN_ID_VALUE; | |
83526631 | 773 | ## retrieve (exists = any(tbl.name where tbl.name = value)) |
774 | } | |
775 | ||
776 | if (LOG_RES) | |
777 | com_err(whoami, 0, "setting ID %s to %d", name, value); | |
778 | ## repeat replace v (#value = @value) where v.#name = @name | |
779 | return(SMS_SUCCESS); | |
780 | ##} | |
781 | ||
782 | ||
783 | /* For now this just checks the argc's. It should also see that there | |
784 | * are no duplicate names. | |
785 | */ | |
786 | ||
787 | sanity_check_queries() | |
788 | { | |
789 | register int i; | |
790 | int maxv = 0, maxa = 0; | |
791 | extern int QueryCount1, QueryCount2; | |
792 | extern struct query Queries1[], Queries2[]; | |
793 | #define MAX(x,y) ((x) > (y) ? (x) : (y)) | |
794 | ||
795 | for (i = 0; i < QueryCount1; i++) { | |
796 | maxv = MAX(maxv, Queries1[i].vcnt); | |
797 | maxa = MAX(maxa, Queries1[i].argc); | |
798 | } | |
799 | for (i = 0; i < QueryCount2; i++) { | |
800 | maxv = MAX(maxv, Queries2[i].vcnt); | |
801 | maxa = MAX(maxa, Queries2[i].argc); | |
802 | } | |
803 | if (MAX(maxv, maxa) > QMAXARGS) { | |
804 | com_err(whoami, 0, "A query has more args than QMAXARGS"); | |
805 | exit(1); | |
806 | } | |
807 | } | |
808 | ||
809 | ||
d26cae4e | 810 | /* |
811 | * Local Variables: | |
812 | * mode: c | |
813 | * c-indent-level: 4 | |
814 | * c-continued-statement-offset: 4 | |
815 | * c-brace-offset: -4 | |
816 | * c-argdecl-indent: 4 | |
817 | * c-label-offset: -4 | |
818 | * End: | |
819 | */ | |
820 |