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Add comparision routines and catalog entries to support indices on 

datetime and timespan.
This commit is contained in:
Thomas G. Lockhart 1997-09-04 18:43:59 +00:00
parent bb77313a0a
commit 7c243f83e8
5 changed files with 219 additions and 134 deletions
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57
src/backend/utils/adt/dt.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.34 1997/09/01 06:13:21 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.35 1997/09/04 18:43:21 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -473,6 +473,35 @@ datetime_ge(DateTime *datetime1, DateTime *datetime2)
} /* datetime_ge() */
/* datetime_cmp - 3-state comparison for datetime
* collate invalid datetime at the end
*/
int
datetime_cmp(DateTime *datetime1, DateTime *datetime2)
{
DateTime dt1, dt2;
if (!PointerIsValid(datetime1) || !PointerIsValid(datetime2))
return 0;
dt1 = *datetime1;
dt2 = *datetime2;
if (DATETIME_IS_INVALID(dt1)) {
return( (DATETIME_IS_INVALID(dt2)? 0: 1));
} else if (DATETIME_IS_INVALID(dt2)) {
return( -1);
} else {
if (DATETIME_IS_RELATIVE(dt1)) dt1 = SetDateTime(dt1);
if (DATETIME_IS_RELATIVE(dt2)) dt2 = SetDateTime(dt2);
};
return( ((dt1 < dt2)? -1: ((dt1 > dt2)? 1: 0)));
} /* datetime_cmp() */
/* timespan_relop - is timespan1 relop timespan2
*/
bool
@ -578,6 +607,32 @@ timespan_ge(TimeSpan *timespan1, TimeSpan *timespan2)
} /* timespan_ge() */
/* timespan_cmp - 3-state comparison for timespan
*/
int
timespan_cmp(TimeSpan *timespan1, TimeSpan *timespan2)
{
double span1, span2;
if (!PointerIsValid(timespan1) || !PointerIsValid(timespan2))
return 0;
if (TIMESPAN_IS_INVALID(*timespan1)) {
return( TIMESPAN_IS_INVALID(*timespan2)? 0: 1);
} else if (TIMESPAN_IS_INVALID(*timespan2)) {
return( -1);
};
span1 = timespan1->time;
if (timespan1->month != 0) span1 += (timespan1->month * (30.0*86400));
span2 = timespan2->time;
if (timespan2->month != 0) span2 += (timespan2->month * (30.0*86400));
return( (span1 < span2)? -1: (span1 > span2)? 1: 0);
} /* timespan_cmp() */
/*----------------------------------------------------------
* "Arithmetic" operators on date/times.
* datetime_foo returns foo as an object (pointer) that

128
src/include/catalog/pg_amop.h
View File

@ -7,7 +7,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_amop.h,v 1.4 1996/11/13 20:50:50 scrappy Exp $
* $Id: pg_amop.h,v 1.5 1997/09/04 18:43:57 thomas Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
@ -103,6 +103,19 @@ DATA(insert OID = 0 ( 402 434 490 6 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 434 491 7 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 434 492 8 rtsel rtnpage ));
/*
* rtree circle_ops (supports circles)
*/
DATA(insert OID = 0 ( 402 714 1506 1 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1507 2 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1508 3 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1509 4 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1510 5 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1511 6 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1512 7 rtsel rtnpage ));
DATA(insert OID = 0 ( 402 714 1513 8 rtsel rtnpage ));
/*
* nbtree int2_ops
*/
@ -324,6 +337,26 @@ DATA(insert OID = 0 ( 403 1115 1108 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1115 1113 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1115 1112 5 btreesel btreenpage ));
/*
* nbtree datetime_ops
*/
DATA(insert OID = 0 ( 403 1312 1322 1 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1312 1323 2 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1312 1320 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1312 1325 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1312 1324 5 btreesel btreenpage ));
/*
* nbtree timespan_ops
*/
DATA(insert OID = 0 ( 403 1313 1332 1 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1313 1333 2 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1313 1330 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1313 1335 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 403 1313 1334 5 btreesel btreenpage ));
BKI_BEGIN
#ifdef NOBTREE
BKI_END
@ -477,78 +510,69 @@ DATA(insert OID = 0 ( 404 432 560 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 432 565 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 432 563 5 btreesel btreenpage ));
/*
* nobtree datetime_ops
*/
DATA(insert OID = 0 ( 404 1312 1322 1 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1312 1323 2 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1312 1320 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1312 1325 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1312 1324 5 btreesel btreenpage ));
/*
* nobtree timespan_ops
*/
DATA(insert OID = 0 ( 404 1313 1332 1 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1313 1333 2 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1313 1330 3 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1313 1335 4 btreesel btreenpage ));
DATA(insert OID = 0 ( 404 1313 1334 5 btreesel btreenpage ));
BKI_BEGIN
#endif /* NOBTREE */
BKI_END
/*
* hash table int2_ops
* hash table _ops
*/
/* hash table int2_ops */
DATA(insert OID = 0 ( 405 421 94 1 btreesel btreenpage ));
/*
* hash table float8_ops
*/
/* hash table float8_ops */
DATA(insert OID = 0 ( 405 423 670 1 btreesel btreenpage ));
/*
* hash table int4_ops
*/
/* hash table int4_ops */
DATA(insert OID = 0 ( 405 426 96 1 hashsel hashnpage ));
/*
* hash table oid_ops
*/
/* hash table oid_ops */
DATA(insert OID = 0 ( 405 427 607 1 hashsel hashnpage ));
/*
* hash table float4_ops
*/
/* hash table float4_ops */
DATA(insert OID = 0 ( 405 428 620 1 hashsel hashnpage ));
/*
* hash table char_ops
*/
/* hash table char_ops */
DATA(insert OID = 0 ( 405 429 92 1 hashsel hashnpage ));
/*
* hash table char2_ops
*/
/* hash table char2_ops */
DATA(insert OID = 0 ( 405 406 412 1 hashsel hashnpage ));
/*
* hash table char4_ops
*/
/* hash table char4_ops */
DATA(insert OID = 0 ( 405 407 413 1 hashsel hashnpage ));
/*
* hash table char8_ops
*/
/* hash table char8_ops */
DATA(insert OID = 0 ( 405 408 414 1 hashsel hashnpage ));
/*
* hash table char16_ops
*/
/* hash table char16_ops */
DATA(insert OID = 0 ( 405 430 1267 1 hashsel hashnpage ));
/*
* hash table name_ops
*/
/* hash table name_ops */
DATA(insert OID = 0 ( 405 1181 93 1 hashsel hashnpage ));
/*
* hash table text_ops
*/
/* hash table text_ops */
DATA(insert OID = 0 ( 405 431 98 1 hashsel hashnpage ));
/*
* hash table bpchar_ops
*/
/* hash table bpchar_ops */
DATA(insert OID = 0 ( 405 1076 1054 1 hashsel hashnpage ));
/*
* hash table varchar_ops
*/
/* hash table varchar_ops */
DATA(insert OID = 0 ( 405 1077 1062 1 hashsel hashnpage ));
/*
* hash table date_ops
*/
/* hash table date_ops */
DATA(insert OID = 0 ( 405 1114 1093 1 hashsel hashnpage ));
/*
* hash table time_ops
*/
/* hash table time_ops */
DATA(insert OID = 0 ( 405 1115 1108 1 hashsel hashnpage ));
/* hash table datetime_ops */
DATA(insert OID = 0 ( 405 1312 1320 1 hashsel hashnpage ));
/* hash table timespan_ops */
DATA(insert OID = 0 ( 405 1313 1330 1 hashsel hashnpage ));
#endif /* PG_AMOP_H */

116
src/include/catalog/pg_amproc.h
View File

@ -9,7 +9,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_amproc.h,v 1.3 1996/11/13 20:50:52 scrappy Exp $
* $Id: pg_amproc.h,v 1.4 1997/09/04 18:43:57 thomas Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
@ -61,75 +61,77 @@ typedef FormData_pg_amproc *Form_pg_amproc;
* ----------------
*/
DATA(insert OID = 0 (402 422 193 1));
DATA(insert OID = 0 (402 422 194 2));
DATA(insert OID = 0 (402 422 195 3));
DATA(insert OID = 0 (402 433 193 1));
DATA(insert OID = 0 (402 433 194 2));
DATA(insert OID = 0 (402 433 196 3));
DATA(insert OID = 0 (402 434 197 1));
DATA(insert OID = 0 (402 434 198 2));
DATA(insert OID = 0 (402 434 199 3));
DATA(insert OID = 0 (403 421 350 1));
DATA(insert OID = 0 (403 423 355 1));
DATA(insert OID = 0 (403 424 353 1));
DATA(insert OID = 0 (403 425 352 1));
DATA(insert OID = 0 (403 426 351 1));
DATA(insert OID = 0 (403 427 356 1));
DATA(insert OID = 0 (403 428 354 1));
DATA(insert OID = 0 (403 429 358 1));
DATA(insert OID = 0 (403 406 689 1));
DATA(insert OID = 0 (403 407 690 1));
DATA(insert OID = 0 (403 408 691 1));
DATA(insert OID = 0 (403 1181 359 1));
DATA(insert OID = 0 (403 430 1274 1));
DATA(insert OID = 0 (403 431 360 1));
DATA(insert OID = 0 (403 432 357 1));
DATA(insert OID = 0 (403 435 928 1));
DATA(insert OID = 0 (403 436 948 1));
DATA(insert OID = 0 (403 437 828 1));
DATA(insert OID = 0 (402 422 193 1));
DATA(insert OID = 0 (402 422 194 2));
DATA(insert OID = 0 (402 422 195 3));
DATA(insert OID = 0 (402 433 193 1));
DATA(insert OID = 0 (402 433 194 2));
DATA(insert OID = 0 (402 433 196 3));
DATA(insert OID = 0 (402 434 197 1));
DATA(insert OID = 0 (402 434 198 2));
DATA(insert OID = 0 (402 434 199 3));
DATA(insert OID = 0 (403 421 350 1));
DATA(insert OID = 0 (403 423 355 1));
DATA(insert OID = 0 (403 424 353 1));
DATA(insert OID = 0 (403 425 352 1));
DATA(insert OID = 0 (403 426 351 1));
DATA(insert OID = 0 (403 427 356 1));
DATA(insert OID = 0 (403 428 354 1));
DATA(insert OID = 0 (403 429 358 1));
DATA(insert OID = 0 (403 406 689 1));
DATA(insert OID = 0 (403 407 690 1));
DATA(insert OID = 0 (403 408 691 1));
DATA(insert OID = 0 (403 1181 359 1));
DATA(insert OID = 0 (403 430 1274 1));
DATA(insert OID = 0 (403 431 360 1));
DATA(insert OID = 0 (403 432 357 1));
DATA(insert OID = 0 (403 435 928 1));
DATA(insert OID = 0 (403 436 948 1));
DATA(insert OID = 0 (403 437 828 1));
DATA(insert OID = 0 (403 1076 1078 1));
DATA(insert OID = 0 (403 1077 1079 1));
DATA(insert OID = 0 (403 1114 1092 1));
DATA(insert OID = 0 (403 1115 1107 1));
DATA(insert OID = 0 (403 1312 1314 1));
DATA(insert OID = 0 (403 1313 1315 1));
BKI_BEGIN
#ifdef NOBTREE
BKI_END
DATA(insert OID = 0 (404 421 350 1));
DATA(insert OID = 0 (404 423 355 1));
DATA(insert OID = 0 (404 424 353 1));
DATA(insert OID = 0 (404 425 352 1));
DATA(insert OID = 0 (404 426 351 1));
DATA(insert OID = 0 (404 427 356 1));
DATA(insert OID = 0 (404 428 354 1));
DATA(insert OID = 0 (404 429 358 1));
DATA(insert OID = 0 (404 406 689 1));
DATA(insert OID = 0 (404 407 690 1));
DATA(insert OID = 0 (404 408 691 1));
DATA(insert OID = 0 (404 1181 359 1));
DATA(insert OID = 0 (404 430 1274 1));
DATA(insert OID = 0 (404 431 360 1));
DATA(insert OID = 0 (404 432 357 1));
DATA(insert OID = 0 (404 421 350 1));
DATA(insert OID = 0 (404 423 355 1));
DATA(insert OID = 0 (404 424 353 1));
DATA(insert OID = 0 (404 425 352 1));
DATA(insert OID = 0 (404 426 351 1));
DATA(insert OID = 0 (404 427 356 1));
DATA(insert OID = 0 (404 428 354 1));
DATA(insert OID = 0 (404 429 358 1));
DATA(insert OID = 0 (404 406 689 1));
DATA(insert OID = 0 (404 407 690 1));
DATA(insert OID = 0 (404 408 691 1));
DATA(insert OID = 0 (404 1181 359 1));
DATA(insert OID = 0 (404 430 1274 1));
DATA(insert OID = 0 (404 431 360 1));
DATA(insert OID = 0 (404 432 357 1));
BKI_BEGIN
#endif /* NOBTREE */
BKI_END
DATA(insert OID = 0 (405 421 449 1));
DATA(insert OID = 0 (405 423 452 1));
DATA(insert OID = 0 (405 426 450 1));
DATA(insert OID = 0 (405 427 453 1));
DATA(insert OID = 0 (405 428 451 1));
DATA(insert OID = 0 (405 429 454 1));
DATA(insert OID = 0 (405 406 692 1));
DATA(insert OID = 0 (405 407 693 1));
DATA(insert OID = 0 (405 408 694 1));
DATA(insert OID = 0 (405 1181 455 1));
DATA(insert OID = 0 (405 430 1281 1));
DATA(insert OID = 0 (405 431 456 1));
DATA(insert OID = 0 (405 421 449 1));
DATA(insert OID = 0 (405 423 452 1));
DATA(insert OID = 0 (405 426 450 1));
DATA(insert OID = 0 (405 427 453 1));
DATA(insert OID = 0 (405 428 451 1));
DATA(insert OID = 0 (405 429 454 1));
DATA(insert OID = 0 (405 406 692 1));
DATA(insert OID = 0 (405 407 693 1));
DATA(insert OID = 0 (405 408 694 1));
DATA(insert OID = 0 (405 1181 455 1));
DATA(insert OID = 0 (405 430 1281 1));
DATA(insert OID = 0 (405 431 456 1));
DATA(insert OID = 0 (405 1076 1080 1));
DATA(insert OID = 0 (405 1077 1081 1));
DATA(insert OID = 0 (405 1114 450 1));
DATA(insert OID = 0 (405 1115 694 1));
DATA(insert OID = 0 (405 1114 450 1));
DATA(insert OID = 0 (405 1115 694 1));
#endif /* PG_AMPROC_H */

48
src/include/catalog/pg_opclass.h
View File

@ -7,7 +7,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_opclass.h,v 1.2 1996/10/31 09:47:48 scrappy Exp $
* $Id: pg_opclass.h,v 1.3 1997/09/04 18:43:58 thomas Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
@ -61,32 +61,34 @@ typedef FormData_pg_opclass *Form_pg_opclass;
* (see the README in this directory), so just put zeros
* in, which are invalid OID's anyway. --djm
*/
DATA(insert OID = 406 ( char2_ops 409 ));
DATA(insert OID = 407 ( char4_ops 410 ));
DATA(insert OID = 408 ( char8_ops 411 ));
/* OID 409 is already used in table pg_type--this one should be unused */
DATA(insert OID = 1181 ( name_ops 19 ));
DATA(insert OID = 421 ( int2_ops 21 ));
DATA(insert OID = 422 ( box_ops 603 ));
DATA(insert OID = 423 ( float8_ops 701 ));
DATA(insert OID = 424 ( int24_ops 0 ));
DATA(insert OID = 425 ( int42_ops 0 ));
DATA(insert OID = 426 ( int4_ops 23 ));
DATA(insert OID = 406 ( char2_ops 409 ));
DATA(insert OID = 407 ( char4_ops 410 ));
DATA(insert OID = 408 ( char8_ops 411 ));
DATA(insert OID = 1181 ( name_ops 19 ));
DATA(insert OID = 421 ( int2_ops 21 ));
DATA(insert OID = 422 ( box_ops 603 ));
DATA(insert OID = 423 ( float8_ops 701 ));
DATA(insert OID = 424 ( int24_ops 0 ));
DATA(insert OID = 425 ( int42_ops 0 ));
DATA(insert OID = 426 ( int4_ops 23 ));
#define INT4_OPS_OID 426
DATA(insert OID = 427 ( oid_ops 26 ));
DATA(insert OID = 428 ( float4_ops 700 ));
DATA(insert OID = 429 ( char_ops 18 ));
DATA(insert OID = 430 ( char16_ops 20 ));
DATA(insert OID = 431 ( text_ops 25 ));
DATA(insert OID = 432 ( abstime_ops 702 ));
DATA(insert OID = 433 ( bigbox_ops 0 ));
DATA(insert OID = 434 ( poly_ops 604 ));
DATA(insert OID = 435 ( oidint4_ops 910 ));
DATA(insert OID = 436 ( oidname_ops 911 ));
DATA(insert OID = 437 ( oidint2_ops 810 ));
DATA(insert OID = 427 ( oid_ops 26 ));
DATA(insert OID = 428 ( float4_ops 700 ));
DATA(insert OID = 429 ( char_ops 18 ));
DATA(insert OID = 430 ( char16_ops 20 ));
DATA(insert OID = 431 ( text_ops 25 ));
DATA(insert OID = 432 ( abstime_ops 702 ));
DATA(insert OID = 433 ( bigbox_ops 0 ));
DATA(insert OID = 434 ( poly_ops 604 ));
DATA(insert OID = 435 ( oidint4_ops 910 ));
DATA(insert OID = 436 ( oidname_ops 911 ));
DATA(insert OID = 437 ( oidint2_ops 810 ));
DATA(insert OID = 714 ( circle_ops 718 ));
DATA(insert OID = 1076 ( bpchar_ops 1042 ));
DATA(insert OID = 1077 ( varchar_ops 1043 ));
DATA(insert OID = 1114 ( date_ops 1082 ));
DATA(insert OID = 1115 ( time_ops 1083 ));
DATA(insert OID = 1312 ( datetime_ops 1184 ));
DATA(insert OID = 1313 ( timespan_ops 1186 ));
#endif /* PG_OPCLASS_H */

4
src/include/catalog/pg_proc.h
View File

@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_proc.h,v 1.26 1997/09/01 05:46:09 thomas Exp $
* $Id: pg_proc.h,v 1.27 1997/09/04 18:43:59 thomas Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -888,6 +888,8 @@ DATA(insert OID = 1309 ( timestampgt PGUID 11 f t f 2 f 16 "1296 1296" 100
DATA(insert OID = 1310 ( timestample PGUID 11 f t f 2 f 16 "1296 1296" 100 0 0 100 foo bar ));
DATA(insert OID = 1311 ( timestampge PGUID 11 f t f 2 f 16 "1296 1296" 100 0 0 100 foo bar ));
/* reserve OIDs 1312-1319 for additional date/time conversion routines! tgl 97/04/01 */
DATA(insert OID = 1314 ( datetime_cmp PGUID 11 f t f 2 f 23 "1184 1184" 100 0 0 100 foo bar ));
DATA(insert OID = 1315 ( timespan_cmp PGUID 11 f t f 2 f 23 "1186 1186" 100 0 0 100 foo bar ));
DATA(insert OID = 1339 ( date_zone PGUID 14 f t f 2 f 25 "25 1184" 100 0 0 100 "select datetime_zone($1, $2)" - ));
DATA(insert OID = 1340 ( text PGUID 14 f t f 1 f 25 "1184" 100 0 0 100 "select datetime_text($1)" - ));