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