2 * $PostgreSQL: pgsql/src/test/regress/regress.c,v 1.70 2007/03/15 23:12:07 tgl Exp $
7 #include <float.h> /* faked on sunos */
9 #include "access/transam.h"
10 #include "utils/geo_decls.h" /* includes <math.h> */
11 #include "executor/executor.h" /* For GetAttributeByName */
12 #include "commands/sequence.h" /* for nextval() */
19 extern Datum regress_dist_ptpath(PG_FUNCTION_ARGS);
20 extern Datum regress_path_dist(PG_FUNCTION_ARGS);
21 extern PATH *poly2path(POLYGON *poly);
22 extern Datum interpt_pp(PG_FUNCTION_ARGS);
23 extern void regress_lseg_construct(LSEG *lseg, Point *pt1, Point *pt2);
24 extern Datum overpaid(PG_FUNCTION_ARGS);
25 extern Datum boxarea(PG_FUNCTION_ARGS);
26 extern char *reverse_name(char *string);
27 extern int oldstyle_length(int n, text *t);
28 extern Datum int44in(PG_FUNCTION_ARGS);
29 extern Datum int44out(PG_FUNCTION_ARGS);
31 #ifdef PG_MODULE_MAGIC
37 * Distance from a point to a path
39 PG_FUNCTION_INFO_V1(regress_dist_ptpath);
42 regress_dist_ptpath(PG_FUNCTION_ARGS)
44 Point *pt = PG_GETARG_POINT_P(0);
45 PATH *path = PG_GETARG_PATH_P(1);
46 float8 result = 0.0; /* keep compiler quiet */
56 result = point_dt(pt, &path->p[0]);
61 * the distance from a point to a path is the smallest distance
62 * from the point to any of its constituent segments.
64 Assert(path->npts > 1);
65 for (i = 0; i < path->npts - 1; ++i)
67 regress_lseg_construct(&lseg, &path->p[i], &path->p[i + 1]);
68 tmp = DatumGetFloat8(DirectFunctionCall2(dist_ps,
70 LsegPGetDatum(&lseg)));
71 if (i == 0 || tmp < result)
76 PG_RETURN_FLOAT8(result);
80 * this essentially does a cartesian product of the lsegs in the
81 * two paths, and finds the min distance between any two lsegs
83 PG_FUNCTION_INFO_V1(regress_path_dist);
86 regress_path_dist(PG_FUNCTION_ARGS)
88 PATH *p1 = PG_GETARG_PATH_P(0);
89 PATH *p2 = PG_GETARG_PATH_P(1);
90 bool have_min = false;
91 float8 min = 0.0; /* initialize to keep compiler quiet */
98 for (i = 0; i < p1->npts - 1; i++)
100 for (j = 0; j < p2->npts - 1; j++)
102 regress_lseg_construct(&seg1, &p1->p[i], &p1->p[i + 1]);
103 regress_lseg_construct(&seg2, &p2->p[j], &p2->p[j + 1]);
105 tmp = DatumGetFloat8(DirectFunctionCall2(lseg_distance,
106 LsegPGetDatum(&seg1),
107 LsegPGetDatum(&seg2)));
108 if (!have_min || tmp < min)
119 PG_RETURN_FLOAT8(min);
123 poly2path(POLYGON *poly)
126 char *output = (char *) palloc(2 * (P_MAXDIG + 1) * poly->npts + 64);
127 char buf[2 * (P_MAXDIG) + 20];
129 sprintf(output, "(1, %*d", P_MAXDIG, poly->npts);
131 for (i = 0; i < poly->npts; i++)
133 snprintf(buf, sizeof(buf), ",%*g,%*g",
134 P_MAXDIG, poly->p[i].x, P_MAXDIG, poly->p[i].y);
138 snprintf(buf, sizeof(buf), "%c", RDELIM);
140 return DatumGetPathP(DirectFunctionCall1(path_in,
141 CStringGetDatum(output)));
144 /* return the point where two paths intersect, or NULL if no intersection. */
145 PG_FUNCTION_INFO_V1(interpt_pp);
148 interpt_pp(PG_FUNCTION_ARGS)
150 PATH *p1 = PG_GETARG_PATH_P(0);
151 PATH *p2 = PG_GETARG_PATH_P(1);
156 bool found; /* We've found the intersection */
158 found = false; /* Haven't found it yet */
160 for (i = 0; i < p1->npts - 1 && !found; i++)
162 regress_lseg_construct(&seg1, &p1->p[i], &p1->p[i + 1]);
163 for (j = 0; j < p2->npts - 1 && !found; j++)
165 regress_lseg_construct(&seg2, &p2->p[j], &p2->p[j + 1]);
166 if (DatumGetBool(DirectFunctionCall2(lseg_intersect,
167 LsegPGetDatum(&seg1),
168 LsegPGetDatum(&seg2))))
177 * Note: DirectFunctionCall2 will kick out an error if lseg_interpt()
178 * returns NULL, but that should be impossible since we know the two
179 * segments intersect.
181 PG_RETURN_DATUM(DirectFunctionCall2(lseg_interpt,
182 LsegPGetDatum(&seg1),
183 LsegPGetDatum(&seg2)));
187 /* like lseg_construct, but assume space already allocated */
189 regress_lseg_construct(LSEG *lseg, Point *pt1, Point *pt2)
191 lseg->p[0].x = pt1->x;
192 lseg->p[0].y = pt1->y;
193 lseg->p[1].x = pt2->x;
194 lseg->p[1].y = pt2->y;
195 lseg->m = point_sl(pt1, pt2);
198 PG_FUNCTION_INFO_V1(overpaid);
201 overpaid(PG_FUNCTION_ARGS)
203 HeapTupleHeader tuple = PG_GETARG_HEAPTUPLEHEADER(0);
207 salary = DatumGetInt32(GetAttributeByName(tuple, "salary", &isnull));
210 PG_RETURN_BOOL(salary > 699);
214 * This used to be "circle", but I added circle to builtins,
215 * so needed to make sure the names do not collide. - tgl 97/04/21
224 WIDGET *widget_in(char *str);
225 char *widget_out(WIDGET * widget);
226 extern Datum pt_in_widget(PG_FUNCTION_ARGS);
241 for (i = 0, p = str; *p && i < NARGS && *p != RDELIM; p++)
242 if (*p == ',' || (*p == LDELIM && !i))
246 result = (WIDGET *) palloc(sizeof(WIDGET));
247 result->center.x = atof(coord[0]);
248 result->center.y = atof(coord[1]);
249 result->radius = atof(coord[2]);
251 snprintf(buf2, sizeof(buf2), "widget_in: read (%f, %f, %f)\n",
252 result->center.x, result->center.y, result->radius);
257 widget_out(WIDGET * widget)
264 result = (char *) palloc(60);
265 sprintf(result, "(%g,%g,%g)",
266 widget->center.x, widget->center.y, widget->radius);
270 PG_FUNCTION_INFO_V1(pt_in_widget);
273 pt_in_widget(PG_FUNCTION_ARGS)
275 Point *point = PG_GETARG_POINT_P(0);
276 WIDGET *widget = (WIDGET *) PG_GETARG_POINTER(1);
278 PG_RETURN_BOOL(point_dt(point, &widget->center) < widget->radius);
281 PG_FUNCTION_INFO_V1(boxarea);
284 boxarea(PG_FUNCTION_ARGS)
286 BOX *box = PG_GETARG_BOX_P(0);
290 width = Abs(box->high.x - box->low.x);
291 height = Abs(box->high.y - box->low.y);
292 PG_RETURN_FLOAT8(width * height);
296 reverse_name(char *string)
302 new_string = palloc0(NAMEDATALEN);
303 for (i = 0; i < NAMEDATALEN && string[i]; ++i)
305 if (i == NAMEDATALEN || !string[i])
309 new_string[len - i] = string[i];
314 * This rather silly function is just to test that oldstyle functions
315 * work correctly on toast-able inputs.
318 oldstyle_length(int n, text *t)
323 len = VARSIZE(t) - VARHDRSZ;
328 #include "executor/spi.h" /* this is what you need to work with SPI */
329 #include "commands/trigger.h" /* -"- and triggers */
331 static TransactionId fd17b_xid = InvalidTransactionId;
332 static TransactionId fd17a_xid = InvalidTransactionId;
333 static int fd17b_level = 0;
334 static int fd17a_level = 0;
335 static bool fd17b_recursion = true;
336 static bool fd17a_recursion = true;
337 extern Datum funny_dup17(PG_FUNCTION_ARGS);
339 PG_FUNCTION_INFO_V1(funny_dup17);
342 funny_dup17(PG_FUNCTION_ARGS)
344 TriggerData *trigdata = (TriggerData *) fcinfo->context;
359 if (!CALLED_AS_TRIGGER(fcinfo))
360 elog(ERROR, "funny_dup17: not fired by trigger manager");
362 tuple = trigdata->tg_trigtuple;
363 rel = trigdata->tg_relation;
364 tupdesc = rel->rd_att;
365 if (TRIGGER_FIRED_BEFORE(trigdata->tg_event))
368 level = &fd17b_level;
369 recursion = &fd17b_recursion;
375 level = &fd17a_level;
376 recursion = &fd17a_recursion;
380 if (!TransactionIdIsCurrentTransactionId(*xid))
382 *xid = GetCurrentTransactionId();
390 return PointerGetDatum(tuple);
394 return PointerGetDatum(tuple);
400 fieldval = SPI_getvalue(tuple, tupdesc, 1);
401 fieldtype = SPI_gettype(tupdesc, 1);
403 query = (char *) palloc(100 + NAMEDATALEN * 3 +
404 strlen(fieldval) + strlen(fieldtype));
406 sprintf(query, "insert into %s select * from %s where %s = '%s'::%s",
407 SPI_getrelname(rel), SPI_getrelname(rel),
408 SPI_fname(tupdesc, 1),
409 fieldval, fieldtype);
411 if ((ret = SPI_exec(query, 0)) < 0)
412 elog(ERROR, "funny_dup17 (fired %s) on level %3d: SPI_exec (insert ...) returned %d",
415 inserted = SPI_processed;
417 sprintf(query, "select count (*) from %s where %s = '%s'::%s",
419 SPI_fname(tupdesc, 1),
420 fieldval, fieldtype);
422 if ((ret = SPI_exec(query, 0)) < 0)
423 elog(ERROR, "funny_dup17 (fired %s) on level %3d: SPI_exec (select ...) returned %d",
426 if (SPI_processed > 0)
428 selected = DatumGetInt32(DirectFunctionCall1(int4in,
429 CStringGetDatum(SPI_getvalue(
430 SPI_tuptable->vals[0],
431 SPI_tuptable->tupdesc,
436 elog(DEBUG4, "funny_dup17 (fired %s) on level %3d: %d/%d tuples inserted/selected",
437 when, *level, inserted, selected);
444 *xid = InvalidTransactionId;
446 return PointerGetDatum(tuple);
449 extern Datum ttdummy(PG_FUNCTION_ARGS);
450 extern Datum set_ttdummy(PG_FUNCTION_ARGS);
452 #define TTDUMMY_INFINITY 999999
454 static SPIPlanPtr splan = NULL;
455 static bool ttoff = false;
457 PG_FUNCTION_INFO_V1(ttdummy);
460 ttdummy(PG_FUNCTION_ARGS)
462 TriggerData *trigdata = (TriggerData *) fcinfo->context;
463 Trigger *trigger; /* to get trigger name */
464 char **args; /* arguments */
465 int attnum[2]; /* fnumbers of start/stop columns */
470 Datum *cvals; /* column values */
471 char *cnulls; /* column nulls */
472 char *relname; /* triggered relation name */
473 Relation rel; /* triggered relation */
475 HeapTuple newtuple = NULL;
477 TupleDesc tupdesc; /* tuple description */
478 int natts; /* # of attributes */
479 bool isnull; /* to know is some column NULL or not */
483 if (!CALLED_AS_TRIGGER(fcinfo))
484 elog(ERROR, "ttdummy: not fired by trigger manager");
485 if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event))
486 elog(ERROR, "ttdummy: cannot process STATEMENT events");
487 if (TRIGGER_FIRED_AFTER(trigdata->tg_event))
488 elog(ERROR, "ttdummy: must be fired before event");
489 if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
490 elog(ERROR, "ttdummy: cannot process INSERT event");
491 if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
492 newtuple = trigdata->tg_newtuple;
494 trigtuple = trigdata->tg_trigtuple;
496 rel = trigdata->tg_relation;
497 relname = SPI_getrelname(rel);
499 /* check if TT is OFF for this relation */
500 if (ttoff) /* OFF - nothing to do */
503 return PointerGetDatum((newtuple != NULL) ? newtuple : trigtuple);
506 trigger = trigdata->tg_trigger;
508 if (trigger->tgnargs != 2)
509 elog(ERROR, "ttdummy (%s): invalid (!= 2) number of arguments %d",
510 relname, trigger->tgnargs);
512 args = trigger->tgargs;
513 tupdesc = rel->rd_att;
514 natts = tupdesc->natts;
516 for (i = 0; i < 2; i++)
518 attnum[i] = SPI_fnumber(tupdesc, args[i]);
520 elog(ERROR, "ttdummy (%s): there is no attribute %s", relname, args[i]);
521 if (SPI_gettypeid(tupdesc, attnum[i]) != INT4OID)
522 elog(ERROR, "ttdummy (%s): attributes %s and %s must be of abstime type",
523 relname, args[0], args[1]);
526 oldon = SPI_getbinval(trigtuple, tupdesc, attnum[0], &isnull);
528 elog(ERROR, "ttdummy (%s): %s must be NOT NULL", relname, args[0]);
530 oldoff = SPI_getbinval(trigtuple, tupdesc, attnum[1], &isnull);
532 elog(ERROR, "ttdummy (%s): %s must be NOT NULL", relname, args[1]);
534 if (newtuple != NULL) /* UPDATE */
536 newon = SPI_getbinval(newtuple, tupdesc, attnum[0], &isnull);
538 elog(ERROR, "ttdummy (%s): %s must be NOT NULL", relname, args[0]);
539 newoff = SPI_getbinval(newtuple, tupdesc, attnum[1], &isnull);
541 elog(ERROR, "ttdummy (%s): %s must be NOT NULL", relname, args[1]);
543 if (oldon != newon || oldoff != newoff)
544 elog(ERROR, "ttdummy (%s): you cannot change %s and/or %s columns (use set_ttdummy)",
545 relname, args[0], args[1]);
547 if (newoff != TTDUMMY_INFINITY)
549 pfree(relname); /* allocated in upper executor context */
550 return PointerGetDatum(NULL);
553 else if (oldoff != TTDUMMY_INFINITY) /* DELETE */
556 return PointerGetDatum(NULL);
560 text *seqname = DatumGetTextP(DirectFunctionCall1(textin,
561 CStringGetDatum("ttdummy_seq")));
563 newoff = DirectFunctionCall1(nextval,
564 PointerGetDatum(seqname));
565 /* nextval now returns int64; coerce down to int32 */
566 newoff = Int32GetDatum((int32) DatumGetInt64(newoff));
570 /* Connect to SPI manager */
571 if ((ret = SPI_connect()) < 0)
572 elog(ERROR, "ttdummy (%s): SPI_connect returned %d", relname, ret);
574 /* Fetch tuple values and nulls */
575 cvals = (Datum *) palloc(natts * sizeof(Datum));
576 cnulls = (char *) palloc(natts * sizeof(char));
577 for (i = 0; i < natts; i++)
579 cvals[i] = SPI_getbinval((newtuple != NULL) ? newtuple : trigtuple,
580 tupdesc, i + 1, &isnull);
581 cnulls[i] = (isnull) ? 'n' : ' ';
584 /* change date column(s) */
585 if (newtuple) /* UPDATE */
587 cvals[attnum[0] - 1] = newoff; /* start_date eq current date */
588 cnulls[attnum[0] - 1] = ' ';
589 cvals[attnum[1] - 1] = TTDUMMY_INFINITY; /* stop_date eq INFINITY */
590 cnulls[attnum[1] - 1] = ' ';
595 cvals[attnum[1] - 1] = newoff; /* stop_date eq current date */
596 cnulls[attnum[1] - 1] = ' ';
599 /* if there is no plan ... */
606 /* allocate space in preparation */
607 ctypes = (Oid *) palloc(natts * sizeof(Oid));
608 query = (char *) palloc(100 + 16 * natts);
611 * Construct query: INSERT INTO _relation_ VALUES ($1, ...)
613 sprintf(query, "INSERT INTO %s VALUES (", relname);
614 for (i = 1; i <= natts; i++)
616 sprintf(query + strlen(query), "$%d%s",
617 i, (i < natts) ? ", " : ")");
618 ctypes[i - 1] = SPI_gettypeid(tupdesc, i);
621 /* Prepare plan for query */
622 pplan = SPI_prepare(query, natts, ctypes);
624 elog(ERROR, "ttdummy (%s): SPI_prepare returned %d", relname, SPI_result);
626 pplan = SPI_saveplan(pplan);
628 elog(ERROR, "ttdummy (%s): SPI_saveplan returned %d", relname, SPI_result);
633 ret = SPI_execp(splan, cvals, cnulls, 0);
636 elog(ERROR, "ttdummy (%s): SPI_execp returned %d", relname, ret);
638 /* Tuple to return to upper Executor ... */
639 if (newtuple) /* UPDATE */
643 tmptuple = SPI_copytuple(trigtuple);
644 rettuple = SPI_modifytuple(rel, tmptuple, 1, &(attnum[1]), &newoff, NULL);
645 SPI_freetuple(tmptuple);
649 rettuple = trigtuple;
651 SPI_finish(); /* don't forget say Bye to SPI mgr */
655 return PointerGetDatum(rettuple);
658 PG_FUNCTION_INFO_V1(set_ttdummy);
661 set_ttdummy(PG_FUNCTION_ARGS)
663 int32 on = PG_GETARG_INT32(0);
665 if (ttoff) /* OFF currently */
687 * Type int44 has no real-world use, but the regression tests use it.
688 * It's a four-element vector of int4's.
692 * int44in - converts "num num ..." to internal form
694 * Note: Fills any missing positions with zeroes.
696 PG_FUNCTION_INFO_V1(int44in);
699 int44in(PG_FUNCTION_ARGS)
701 char *input_string = PG_GETARG_CSTRING(0);
702 int32 *result = (int32 *) palloc(4 * sizeof(int32));
705 i = sscanf(input_string,
714 PG_RETURN_POINTER(result);
718 * int44out - converts internal form to "num num ..."
720 PG_FUNCTION_INFO_V1(int44out);
723 int44out(PG_FUNCTION_ARGS)
725 int32 *an_array = (int32 *) PG_GETARG_POINTER(0);
726 char *result = (char *) palloc(16 * 4); /* Allow 14 digits +
732 for (i = 0; i < 4; i++)
734 pg_ltoa(an_array[i], walk);
735 while (*++walk != '\0')
740 PG_RETURN_CSTRING(result);