contrib/ltree/ltree.sql.in

   1 /* $PostgreSQL$ */
   2
   3 -- Adjust this setting to control where the objects get created.
   4 SET search_path = public;
   5
   6 CREATE OR REPLACE FUNCTION ltree_in(cstring)
   7 RETURNS ltree
   8 AS 'MODULE_PATHNAME'
   9 LANGUAGE C STRICT;
  10
  11 CREATE OR REPLACE FUNCTION ltree_out(ltree)
  12 RETURNS cstring
  13 AS 'MODULE_PATHNAME'
  14 LANGUAGE C STRICT;
  15
  16 CREATE TYPE ltree (
  17         INTERNALLENGTH = -1,
  18         INPUT = ltree_in,
  19         OUTPUT = ltree_out,
  20         STORAGE = extended
  21 );
  22
  23
  24 --Compare function for ltree
  25 CREATE OR REPLACE FUNCTION ltree_cmp(ltree,ltree)
  26 RETURNS int4
  27 AS 'MODULE_PATHNAME'
  28 LANGUAGE C STRICT IMMUTABLE;
  29
  30 CREATE OR REPLACE FUNCTION ltree_lt(ltree,ltree)
  31 RETURNS bool
  32 AS 'MODULE_PATHNAME'
  33 LANGUAGE C STRICT IMMUTABLE;
  34
  35 CREATE OR REPLACE FUNCTION ltree_le(ltree,ltree)
  36 RETURNS bool
  37 AS 'MODULE_PATHNAME'
  38 LANGUAGE C STRICT IMMUTABLE;
  39
  40 CREATE OR REPLACE FUNCTION ltree_eq(ltree,ltree)
  41 RETURNS bool
  42 AS 'MODULE_PATHNAME'
  43 LANGUAGE C STRICT IMMUTABLE;
  44
  45 CREATE OR REPLACE FUNCTION ltree_ge(ltree,ltree)
  46 RETURNS bool
  47 AS 'MODULE_PATHNAME'
  48 LANGUAGE C STRICT IMMUTABLE;
  49
  50 CREATE OR REPLACE FUNCTION ltree_gt(ltree,ltree)
  51 RETURNS bool
  52 AS 'MODULE_PATHNAME'
  53 LANGUAGE C STRICT IMMUTABLE;
  54
  55 CREATE OR REPLACE FUNCTION ltree_ne(ltree,ltree)
  56 RETURNS bool
  57 AS 'MODULE_PATHNAME'
  58 LANGUAGE C STRICT IMMUTABLE;
  59
  60
  61 CREATE OPERATOR < (
  62         LEFTARG = ltree,
  63         RIGHTARG = ltree,
  64         PROCEDURE = ltree_lt,
  65         COMMUTATOR = '>',
  66         NEGATOR = '>=',
  67         RESTRICT = contsel,
  68         JOIN = contjoinsel
  69 );
  70
  71 CREATE OPERATOR <= (
  72         LEFTARG = ltree,
  73         RIGHTARG = ltree,
  74         PROCEDURE = ltree_le,
  75         COMMUTATOR = '>=',
  76         NEGATOR = '>',
  77         RESTRICT = contsel,
  78         JOIN = contjoinsel
  79 );
  80
  81 CREATE OPERATOR >= (
  82         LEFTARG = ltree,
  83         RIGHTARG = ltree,
  84         PROCEDURE = ltree_ge,
  85         COMMUTATOR = '<=',
  86         NEGATOR = '<',
  87         RESTRICT = contsel,
  88         JOIN = contjoinsel
  89 );
  90
  91 CREATE OPERATOR > (
  92         LEFTARG = ltree,
  93         RIGHTARG = ltree,
  94         PROCEDURE = ltree_gt,
  95         COMMUTATOR = '<',
  96         NEGATOR = '<=',
  97         RESTRICT = contsel,
  98         JOIN = contjoinsel
  99 );
 100
 101 CREATE OPERATOR = (
 102         LEFTARG = ltree,
 103         RIGHTARG = ltree,
 104         PROCEDURE = ltree_eq,
 105         COMMUTATOR = '=',
 106         NEGATOR = '<>',
 107         RESTRICT = eqsel,
 108         JOIN = eqjoinsel,
 109         SORT1 = '<',
 110         SORT2 = '<'
 111 );
 112
 113 CREATE OPERATOR <> (
 114         LEFTARG = ltree,
 115         RIGHTARG = ltree,
 116         PROCEDURE = ltree_ne,
 117         COMMUTATOR = '<>',
 118         NEGATOR = '=',
 119         RESTRICT = neqsel,
 120         JOIN = neqjoinsel
 121 );
 122
 123 --util functions
 124
 125 CREATE OR REPLACE FUNCTION subltree(ltree,int4,int4)
 126 RETURNS ltree
 127 AS 'MODULE_PATHNAME'
 128 LANGUAGE C STRICT IMMUTABLE;
 129
 130 CREATE OR REPLACE FUNCTION subpath(ltree,int4,int4)
 131 RETURNS ltree
 132 AS 'MODULE_PATHNAME'
 133 LANGUAGE C STRICT IMMUTABLE;
 134
 135 CREATE OR REPLACE FUNCTION subpath(ltree,int4)
 136 RETURNS ltree
 137 AS 'MODULE_PATHNAME'
 138 LANGUAGE C STRICT IMMUTABLE;
 139
 140 CREATE OR REPLACE FUNCTION index(ltree,ltree)
 141 RETURNS int4
 142 AS 'MODULE_PATHNAME', 'ltree_index'
 143 LANGUAGE C STRICT IMMUTABLE;
 144
 145 CREATE OR REPLACE FUNCTION index(ltree,ltree,int4)
 146 RETURNS int4
 147 AS 'MODULE_PATHNAME', 'ltree_index'
 148 LANGUAGE C STRICT IMMUTABLE;
 149
 150 CREATE OR REPLACE FUNCTION nlevel(ltree)
 151 RETURNS int4
 152 AS 'MODULE_PATHNAME'
 153 LANGUAGE C STRICT IMMUTABLE;
 154
 155 CREATE OR REPLACE FUNCTION ltree2text(ltree)
 156 RETURNS text
 157 AS 'MODULE_PATHNAME'
 158 LANGUAGE C STRICT IMMUTABLE;
 159
 160 CREATE OR REPLACE FUNCTION text2ltree(text)
 161 RETURNS ltree
 162 AS 'MODULE_PATHNAME'
 163 LANGUAGE C STRICT IMMUTABLE;
 164
 165 CREATE OR REPLACE FUNCTION lca(_ltree)
 166 RETURNS ltree
 167 AS 'MODULE_PATHNAME','_lca'
 168 LANGUAGE C STRICT IMMUTABLE;
 169
 170 CREATE OR REPLACE FUNCTION lca(ltree,ltree)
 171 RETURNS ltree
 172 AS 'MODULE_PATHNAME'
 173 LANGUAGE C STRICT IMMUTABLE;
 174
 175 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree)
 176 RETURNS ltree
 177 AS 'MODULE_PATHNAME'
 178 LANGUAGE C STRICT IMMUTABLE;
 179
 180 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree,ltree)
 181 RETURNS ltree
 182 AS 'MODULE_PATHNAME'
 183 LANGUAGE C STRICT IMMUTABLE;
 184
 185 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree,ltree,ltree)
 186 RETURNS ltree
 187 AS 'MODULE_PATHNAME'
 188 LANGUAGE C STRICT IMMUTABLE;
 189
 190 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree)
 191 RETURNS ltree
 192 AS 'MODULE_PATHNAME'
 193 LANGUAGE C STRICT IMMUTABLE;
 194
 195 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree)
 196 RETURNS ltree
 197 AS 'MODULE_PATHNAME'
 198 LANGUAGE C STRICT IMMUTABLE;
 199
 200 CREATE OR REPLACE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree,ltree)
 201 RETURNS ltree
 202 AS 'MODULE_PATHNAME'
 203 LANGUAGE C STRICT IMMUTABLE;
 204
 205 CREATE OR REPLACE FUNCTION ltree_isparent(ltree,ltree)
 206 RETURNS bool
 207 AS 'MODULE_PATHNAME'
 208 LANGUAGE C STRICT IMMUTABLE;
 209
 210 CREATE OR REPLACE FUNCTION ltree_risparent(ltree,ltree)
 211 RETURNS bool
 212 AS 'MODULE_PATHNAME'
 213 LANGUAGE C STRICT IMMUTABLE;
 214
 215 CREATE OR REPLACE FUNCTION ltree_addltree(ltree,ltree)
 216 RETURNS ltree
 217 AS 'MODULE_PATHNAME'
 218 LANGUAGE C STRICT IMMUTABLE;
 219
 220 CREATE OR REPLACE FUNCTION ltree_addtext(ltree,text)
 221 RETURNS ltree
 222 AS 'MODULE_PATHNAME'
 223 LANGUAGE C STRICT IMMUTABLE;
 224
 225 CREATE OR REPLACE FUNCTION ltree_textadd(text,ltree)
 226 RETURNS ltree
 227 AS 'MODULE_PATHNAME'
 228 LANGUAGE C STRICT IMMUTABLE;
 229
 230 CREATE OR REPLACE FUNCTION ltreeparentsel(internal, oid, internal, integer)
 231 RETURNS float8
 232 AS 'MODULE_PATHNAME'
 233 LANGUAGE C STRICT IMMUTABLE;
 234
 235 CREATE OPERATOR @> (
 236         LEFTARG = ltree,
 237         RIGHTARG = ltree,
 238         PROCEDURE = ltree_isparent,
 239         COMMUTATOR = '<@',
 240         RESTRICT = ltreeparentsel,
 241         JOIN = contjoinsel
 242 );
 243
 244 CREATE OPERATOR ^@> (
 245         LEFTARG = ltree,
 246         RIGHTARG = ltree,
 247         PROCEDURE = ltree_isparent,
 248         COMMUTATOR = '^<@',
 249         RESTRICT = contsel,
 250         JOIN = contjoinsel
 251 );
 252
 253 CREATE OPERATOR <@ (
 254         LEFTARG = ltree,
 255         RIGHTARG = ltree,
 256         PROCEDURE = ltree_risparent,
 257         COMMUTATOR = '@>',
 258         RESTRICT = ltreeparentsel,
 259         JOIN = contjoinsel
 260 );
 261
 262 CREATE OPERATOR ^<@ (
 263         LEFTARG = ltree,
 264         RIGHTARG = ltree,
 265         PROCEDURE = ltree_risparent,
 266         COMMUTATOR = '^@>',
 267         RESTRICT = contsel,
 268         JOIN = contjoinsel
 269 );
 270
 271 CREATE OPERATOR || (
 272         LEFTARG = ltree,
 273         RIGHTARG = ltree,
 274         PROCEDURE = ltree_addltree
 275 );
 276
 277 CREATE OPERATOR || (
 278         LEFTARG = ltree,
 279         RIGHTARG = text,
 280         PROCEDURE = ltree_addtext
 281 );
 282
 283 CREATE OPERATOR || (
 284         LEFTARG = text,
 285         RIGHTARG = ltree,
 286         PROCEDURE = ltree_textadd
 287 );
 288
 289
 290 -- B-tree support
 291
 292 CREATE OPERATOR CLASS ltree_ops
 293     DEFAULT FOR TYPE ltree USING btree AS
 294         OPERATOR        1       < ,
 295         OPERATOR        2       <= ,
 296         OPERATOR        3       = ,
 297         OPERATOR        4       >= ,
 298         OPERATOR        5       > ,
 299         FUNCTION        1       ltree_cmp(ltree, ltree);
 300
 301
 302 --lquery type
 303 CREATE OR REPLACE FUNCTION lquery_in(cstring)
 304 RETURNS lquery
 305 AS 'MODULE_PATHNAME'
 306 LANGUAGE C STRICT;
 307
 308 CREATE OR REPLACE FUNCTION lquery_out(lquery)
 309 RETURNS cstring
 310 AS 'MODULE_PATHNAME'
 311 LANGUAGE C STRICT;
 312
 313 CREATE TYPE lquery (
 314         INTERNALLENGTH = -1,
 315         INPUT = lquery_in,
 316         OUTPUT = lquery_out,
 317         STORAGE = extended
 318 );
 319
 320 CREATE OR REPLACE FUNCTION ltq_regex(ltree,lquery)
 321 RETURNS bool
 322 AS 'MODULE_PATHNAME'
 323 LANGUAGE C STRICT IMMUTABLE;
 324
 325 CREATE OR REPLACE FUNCTION ltq_rregex(lquery,ltree)
 326 RETURNS bool
 327 AS 'MODULE_PATHNAME'
 328 LANGUAGE C STRICT IMMUTABLE;
 329
 330 CREATE OPERATOR ~ (
 331         LEFTARG = ltree,
 332         RIGHTARG = lquery,
 333         PROCEDURE = ltq_regex,
 334         COMMUTATOR = '~',
 335         RESTRICT = contsel,
 336         JOIN = contjoinsel
 337 );
 338
 339 CREATE OPERATOR ~ (
 340         LEFTARG = lquery,
 341         RIGHTARG = ltree,
 342         PROCEDURE = ltq_rregex,
 343         COMMUTATOR = '~',
 344         RESTRICT = contsel,
 345         JOIN = contjoinsel
 346 );
 347
 348 --not-indexed
 349 CREATE OPERATOR ^~ (
 350         LEFTARG = ltree,
 351         RIGHTARG = lquery,
 352         PROCEDURE = ltq_regex,
 353         COMMUTATOR = '^~',
 354         RESTRICT = contsel,
 355         JOIN = contjoinsel
 356 );
 357
 358 CREATE OPERATOR ^~ (
 359         LEFTARG = lquery,
 360         RIGHTARG = ltree,
 361         PROCEDURE = ltq_rregex,
 362         COMMUTATOR = '^~',
 363         RESTRICT = contsel,
 364         JOIN = contjoinsel
 365 );
 366
 367 CREATE OR REPLACE FUNCTION lt_q_regex(ltree,_lquery)
 368 RETURNS bool
 369 AS 'MODULE_PATHNAME'
 370 LANGUAGE C STRICT IMMUTABLE;
 371
 372 CREATE OR REPLACE FUNCTION lt_q_rregex(_lquery,ltree)
 373 RETURNS bool
 374 AS 'MODULE_PATHNAME'
 375 LANGUAGE C STRICT IMMUTABLE;
 376
 377 CREATE OPERATOR ? (
 378         LEFTARG = ltree,
 379         RIGHTARG = _lquery,
 380         PROCEDURE = lt_q_regex,
 381         COMMUTATOR = '?',
 382         RESTRICT = contsel,
 383         JOIN = contjoinsel
 384 );
 385
 386 CREATE OPERATOR ? (
 387         LEFTARG = _lquery,
 388         RIGHTARG = ltree,
 389         PROCEDURE = lt_q_rregex,
 390         COMMUTATOR = '?',
 391         RESTRICT = contsel,
 392         JOIN = contjoinsel
 393 );
 394
 395 --not-indexed
 396 CREATE OPERATOR ^? (
 397         LEFTARG = ltree,
 398         RIGHTARG = _lquery,
 399         PROCEDURE = lt_q_regex,
 400         COMMUTATOR = '^?',
 401         RESTRICT = contsel,
 402         JOIN = contjoinsel
 403 );
 404
 405 CREATE OPERATOR ^? (
 406         LEFTARG = _lquery,
 407         RIGHTARG = ltree,
 408         PROCEDURE = lt_q_rregex,
 409         COMMUTATOR = '^?',
 410         RESTRICT = contsel,
 411         JOIN = contjoinsel
 412 );
 413
 414 CREATE OR REPLACE FUNCTION ltxtq_in(cstring)
 415 RETURNS ltxtquery
 416 AS 'MODULE_PATHNAME'
 417 LANGUAGE C STRICT;
 418
 419 CREATE OR REPLACE FUNCTION ltxtq_out(ltxtquery)
 420 RETURNS cstring
 421 AS 'MODULE_PATHNAME'
 422 LANGUAGE C STRICT;
 423
 424 CREATE TYPE ltxtquery (
 425         INTERNALLENGTH = -1,
 426         INPUT = ltxtq_in,
 427         OUTPUT = ltxtq_out,
 428         STORAGE = extended
 429 );
 430
 431 -- operations WITH ltxtquery
 432
 433 CREATE OR REPLACE FUNCTION ltxtq_exec(ltree, ltxtquery)
 434 RETURNS bool
 435 AS 'MODULE_PATHNAME'
 436 LANGUAGE C STRICT IMMUTABLE;
 437
 438 CREATE OR REPLACE FUNCTION ltxtq_rexec(ltxtquery, ltree)
 439 RETURNS bool
 440 AS 'MODULE_PATHNAME'
 441 LANGUAGE C STRICT IMMUTABLE;
 442
 443 CREATE OPERATOR @ (
 444         LEFTARG = ltree,
 445         RIGHTARG = ltxtquery,
 446         PROCEDURE = ltxtq_exec,
 447         COMMUTATOR = '@',
 448         RESTRICT = contsel,
 449         JOIN = contjoinsel
 450 );
 451
 452 CREATE OPERATOR @ (
 453         LEFTARG = ltxtquery,
 454         RIGHTARG = ltree,
 455         PROCEDURE = ltxtq_rexec,
 456         COMMUTATOR = '@',
 457         RESTRICT = contsel,
 458         JOIN = contjoinsel
 459 );
 460
 461 --not-indexed
 462 CREATE OPERATOR ^@ (
 463         LEFTARG = ltree,
 464         RIGHTARG = ltxtquery,
 465         PROCEDURE = ltxtq_exec,
 466         COMMUTATOR = '^@',
 467         RESTRICT = contsel,
 468         JOIN = contjoinsel
 469 );
 470
 471 CREATE OPERATOR ^@ (
 472         LEFTARG = ltxtquery,
 473         RIGHTARG = ltree,
 474         PROCEDURE = ltxtq_rexec,
 475         COMMUTATOR = '^@',
 476         RESTRICT = contsel,
 477         JOIN = contjoinsel
 478 );
 479
 480 --GiST support for ltree
 481 CREATE OR REPLACE FUNCTION ltree_gist_in(cstring)
 482 RETURNS ltree_gist
 483 AS 'MODULE_PATHNAME'
 484 LANGUAGE C STRICT;
 485
 486 CREATE OR REPLACE FUNCTION ltree_gist_out(ltree_gist)
 487 RETURNS cstring
 488 AS 'MODULE_PATHNAME'
 489 LANGUAGE C STRICT;
 490
 491 CREATE TYPE ltree_gist (
 492         internallength = -1,
 493         input = ltree_gist_in,
 494         output = ltree_gist_out,
 495         storage = plain
 496 );
 497
 498
 499 CREATE OR REPLACE FUNCTION ltree_consistent(internal,internal,int2,oid,internal)
 500 RETURNS bool as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 501
 502 CREATE OR REPLACE FUNCTION ltree_compress(internal)
 503 RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 504
 505 CREATE OR REPLACE FUNCTION ltree_decompress(internal)
 506 RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 507
 508 CREATE OR REPLACE FUNCTION ltree_penalty(internal,internal,internal)
 509 RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 510
 511 CREATE OR REPLACE FUNCTION ltree_picksplit(internal, internal)
 512 RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 513
 514 CREATE OR REPLACE FUNCTION ltree_union(internal, internal)
 515 RETURNS int4 as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 516
 517 CREATE OR REPLACE FUNCTION ltree_same(internal, internal, internal)
 518 RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
 519
 520 CREATE OPERATOR CLASS gist_ltree_ops
 521     DEFAULT FOR TYPE ltree USING gist AS
 522         OPERATOR        1       < ,
 523         OPERATOR        2       <= ,
 524         OPERATOR        3       = ,
 525         OPERATOR        4       >= ,
 526         OPERATOR        5       > ,
 527         OPERATOR        10      @> ,
 528         OPERATOR        11      <@ ,
 529         OPERATOR        12      ~ (ltree, lquery) ,
 530         OPERATOR        13      ~ (lquery, ltree) ,
 531         OPERATOR        14      @ (ltree, ltxtquery) ,
 532         OPERATOR        15      @ (ltxtquery, ltree) ,
 533         OPERATOR        16      ? (ltree, _lquery) ,
 534         OPERATOR        17      ? (_lquery, ltree) ,
 535         FUNCTION        1       ltree_consistent (internal, internal, int2, oid, internal),
 536         FUNCTION        2       ltree_union (internal, internal),
 537         FUNCTION        3       ltree_compress (internal),
 538         FUNCTION        4       ltree_decompress (internal),
 539         FUNCTION        5       ltree_penalty (internal, internal, internal),
 540         FUNCTION        6       ltree_picksplit (internal, internal),
 541         FUNCTION        7       ltree_same (internal, internal, internal),
 542         STORAGE         ltree_gist;
 543
 544
 545 -- arrays of ltree
 546
 547 CREATE OR REPLACE FUNCTION _ltree_isparent(_ltree,ltree)
 548 RETURNS bool
 549 AS 'MODULE_PATHNAME'
 550 LANGUAGE C STRICT IMMUTABLE;
 551
 552 CREATE OR REPLACE FUNCTION _ltree_r_isparent(ltree,_ltree)
 553 RETURNS bool
 554 AS 'MODULE_PATHNAME'
 555 LANGUAGE C STRICT IMMUTABLE;
 556
 557 CREATE OR REPLACE FUNCTION _ltree_risparent(_ltree,ltree)
 558 RETURNS bool
 559 AS 'MODULE_PATHNAME'
 560 LANGUAGE C STRICT IMMUTABLE;
 561
 562 CREATE OR REPLACE FUNCTION _ltree_r_risparent(ltree,_ltree)
 563 RETURNS bool
 564 AS 'MODULE_PATHNAME'
 565 LANGUAGE C STRICT IMMUTABLE;
 566
 567 CREATE OR REPLACE FUNCTION _ltq_regex(_ltree,lquery)
 568 RETURNS bool
 569 AS 'MODULE_PATHNAME'
 570 LANGUAGE C STRICT IMMUTABLE;
 571
 572 CREATE OR REPLACE FUNCTION _ltq_rregex(lquery,_ltree)
 573 RETURNS bool
 574 AS 'MODULE_PATHNAME'
 575 LANGUAGE C STRICT IMMUTABLE;
 576
 577 CREATE OR REPLACE FUNCTION _lt_q_regex(_ltree,_lquery)
 578 RETURNS bool
 579 AS 'MODULE_PATHNAME'
 580 LANGUAGE C STRICT IMMUTABLE;
 581
 582 CREATE OR REPLACE FUNCTION _lt_q_rregex(_lquery,_ltree)
 583 RETURNS bool
 584 AS 'MODULE_PATHNAME'
 585 LANGUAGE C STRICT IMMUTABLE;
 586
 587 CREATE OR REPLACE FUNCTION _ltxtq_exec(_ltree, ltxtquery)
 588 RETURNS bool
 589 AS 'MODULE_PATHNAME'
 590 LANGUAGE C STRICT IMMUTABLE;
 591
 592 CREATE OR REPLACE FUNCTION _ltxtq_rexec(ltxtquery, _ltree)
 593 RETURNS bool
 594 AS 'MODULE_PATHNAME'
 595 LANGUAGE C STRICT IMMUTABLE;
 596
 597 CREATE OPERATOR @> (
 598         LEFTARG = _ltree,
 599         RIGHTARG = ltree,
 600         PROCEDURE = _ltree_isparent,
 601         COMMUTATOR = '<@',
 602         RESTRICT = contsel,
 603         JOIN = contjoinsel
 604 );
 605
 606 CREATE OPERATOR <@ (
 607         LEFTARG = ltree,
 608         RIGHTARG = _ltree,
 609         PROCEDURE = _ltree_r_isparent,
 610         COMMUTATOR = '@>',
 611         RESTRICT = contsel,
 612         JOIN = contjoinsel
 613 );
 614
 615 CREATE OPERATOR <@ (
 616         LEFTARG = _ltree,
 617         RIGHTARG = ltree,
 618         PROCEDURE = _ltree_risparent,
 619         COMMUTATOR = '@>',
 620         RESTRICT = contsel,
 621         JOIN = contjoinsel
 622 );
 623
 624 CREATE OPERATOR @> (
 625         LEFTARG = ltree,
 626         RIGHTARG = _ltree,
 627         PROCEDURE = _ltree_r_risparent,
 628         COMMUTATOR = '<@',
 629         RESTRICT = contsel,
 630         JOIN = contjoinsel
 631 );
 632
 633 CREATE OPERATOR ~ (
 634         LEFTARG = _ltree,
 635         RIGHTARG = lquery,
 636         PROCEDURE = _ltq_regex,
 637         COMMUTATOR = '~',
 638         RESTRICT = contsel,
 639         JOIN = contjoinsel
 640 );
 641
 642 CREATE OPERATOR ~ (
 643         LEFTARG = lquery,
 644         RIGHTARG = _ltree,
 645         PROCEDURE = _ltq_rregex,
 646         COMMUTATOR = '~',
 647         RESTRICT = contsel,
 648         JOIN = contjoinsel
 649 );
 650
 651 CREATE OPERATOR ? (
 652         LEFTARG = _ltree,
 653         RIGHTARG = _lquery,
 654         PROCEDURE = _lt_q_regex,
 655         COMMUTATOR = '?',
 656         RESTRICT = contsel,
 657         JOIN = contjoinsel
 658 );
 659
 660 CREATE OPERATOR ? (
 661         LEFTARG = _lquery,
 662         RIGHTARG = _ltree,
 663         PROCEDURE = _lt_q_rregex,
 664         COMMUTATOR = '?',
 665         RESTRICT = contsel,
 666         JOIN = contjoinsel
 667 );
 668
 669 CREATE OPERATOR @ (
 670         LEFTARG = _ltree,
 671         RIGHTARG = ltxtquery,
 672         PROCEDURE = _ltxtq_exec,
 673         COMMUTATOR = '@',
 674         RESTRICT = contsel,
 675         JOIN = contjoinsel
 676 );
 677
 678 CREATE OPERATOR @ (
 679         LEFTARG = ltxtquery,
 680         RIGHTARG = _ltree,
 681         PROCEDURE = _ltxtq_rexec,
 682         COMMUTATOR = '@',
 683         RESTRICT = contsel,
 684         JOIN = contjoinsel
 685 );
 686
 687
 688 --not indexed
 689 CREATE OPERATOR ^@> (
 690         LEFTARG = _ltree,
 691         RIGHTARG = ltree,
 692         PROCEDURE = _ltree_isparent,
 693         COMMUTATOR = '^<@',
 694         RESTRICT = contsel,
 695         JOIN = contjoinsel
 696 );
 697
 698 CREATE OPERATOR ^<@ (
 699         LEFTARG = ltree,
 700         RIGHTARG = _ltree,
 701         PROCEDURE = _ltree_r_isparent,
 702         COMMUTATOR = '^@>',
 703         RESTRICT = contsel,
 704         JOIN = contjoinsel
 705 );
 706
 707 CREATE OPERATOR ^<@ (
 708         LEFTARG = _ltree,
 709         RIGHTARG = ltree,
 710         PROCEDURE = _ltree_risparent,
 711         COMMUTATOR = '^@>',
 712         RESTRICT = contsel,
 713         JOIN = contjoinsel
 714 );
 715
 716 CREATE OPERATOR ^@> (
 717         LEFTARG = ltree,
 718         RIGHTARG = _ltree,
 719         PROCEDURE = _ltree_r_risparent,
 720         COMMUTATOR = '^<@',
 721         RESTRICT = contsel,
 722         JOIN = contjoinsel
 723 );
 724
 725 CREATE OPERATOR ^~ (
 726         LEFTARG = _ltree,
 727         RIGHTARG = lquery,
 728         PROCEDURE = _ltq_regex,
 729         COMMUTATOR = '^~',
 730         RESTRICT = contsel,
 731         JOIN = contjoinsel
 732 );
 733
 734 CREATE OPERATOR ^~ (
 735         LEFTARG = lquery,
 736         RIGHTARG = _ltree,
 737         PROCEDURE = _ltq_rregex,
 738         COMMUTATOR = '^~',
 739         RESTRICT = contsel,
 740         JOIN = contjoinsel
 741 );
 742
 743 CREATE OPERATOR ^? (
 744         LEFTARG = _ltree,
 745         RIGHTARG = _lquery,
 746         PROCEDURE = _lt_q_regex,
 747         COMMUTATOR = '^?',
 748         RESTRICT = contsel,
 749         JOIN = contjoinsel
 750 );
 751
 752 CREATE OPERATOR ^? (
 753         LEFTARG = _lquery,
 754         RIGHTARG = _ltree,
 755         PROCEDURE = _lt_q_rregex,
 756         COMMUTATOR = '^?',
 757         RESTRICT = contsel,
 758         JOIN = contjoinsel
 759 );
 760
 761 CREATE OPERATOR ^@ (
 762         LEFTARG = _ltree,
 763         RIGHTARG = ltxtquery,
 764         PROCEDURE = _ltxtq_exec,
 765         COMMUTATOR = '^@',
 766         RESTRICT = contsel,
 767         JOIN = contjoinsel
 768 );
 769
 770 CREATE OPERATOR ^@ (
 771         LEFTARG = ltxtquery,
 772         RIGHTARG = _ltree,
 773         PROCEDURE = _ltxtq_rexec,
 774         COMMUTATOR = '^@',
 775         RESTRICT = contsel,
 776         JOIN = contjoinsel
 777 );
 778
 779 --extractors
 780 CREATE OR REPLACE FUNCTION _ltree_extract_isparent(_ltree,ltree)
 781 RETURNS ltree
 782 AS 'MODULE_PATHNAME'
 783 LANGUAGE C STRICT IMMUTABLE;
 784
 785 CREATE OPERATOR ?@> (
 786         LEFTARG = _ltree,
 787         RIGHTARG = ltree,
 788         PROCEDURE = _ltree_extract_isparent
 789 );
 790
 791 CREATE OR REPLACE FUNCTION _ltree_extract_risparent(_ltree,ltree)
 792 RETURNS ltree
 793 AS 'MODULE_PATHNAME'
 794 LANGUAGE C STRICT IMMUTABLE;
 795
 796 CREATE OPERATOR ?<@ (
 797         LEFTARG = _ltree,
 798         RIGHTARG = ltree,
 799         PROCEDURE = _ltree_extract_risparent
 800 );
 801
 802 CREATE OR REPLACE FUNCTION _ltq_extract_regex(_ltree,lquery)
 803 RETURNS ltree
 804 AS 'MODULE_PATHNAME'
 805 LANGUAGE C STRICT IMMUTABLE;
 806
 807 CREATE OPERATOR ?~ (
 808         LEFTARG = _ltree,
 809         RIGHTARG = lquery,
 810         PROCEDURE = _ltq_extract_regex
 811 );
 812
 813 CREATE OR REPLACE FUNCTION _ltxtq_extract_exec(_ltree,ltxtquery)
 814 RETURNS ltree
 815 AS 'MODULE_PATHNAME'
 816 LANGUAGE C STRICT IMMUTABLE;
 817
 818 CREATE OPERATOR ?@ (
 819         LEFTARG = _ltree,
 820         RIGHTARG = ltxtquery,
 821         PROCEDURE = _ltxtq_extract_exec
 822 );
 823
 824 --GiST support for ltree[]
 825 CREATE OR REPLACE FUNCTION _ltree_consistent(internal,internal,int2,oid,internal)
 826 RETURNS bool
 827 AS 'MODULE_PATHNAME'
 828 LANGUAGE C IMMUTABLE STRICT;
 829
 830 CREATE OR REPLACE FUNCTION _ltree_compress(internal)
 831 RETURNS internal
 832 AS 'MODULE_PATHNAME'
 833 LANGUAGE C IMMUTABLE STRICT;
 834
 835 CREATE OR REPLACE FUNCTION _ltree_penalty(internal,internal,internal)
 836 RETURNS internal
 837 AS 'MODULE_PATHNAME'
 838 LANGUAGE C IMMUTABLE STRICT;
 839
 840 CREATE OR REPLACE FUNCTION _ltree_picksplit(internal, internal)
 841 RETURNS internal
 842 AS 'MODULE_PATHNAME'
 843 LANGUAGE C IMMUTABLE STRICT;
 844
 845 CREATE OR REPLACE FUNCTION _ltree_union(internal, internal)
 846 RETURNS int4
 847 AS 'MODULE_PATHNAME'
 848 LANGUAGE C IMMUTABLE STRICT;
 849
 850 CREATE OR REPLACE FUNCTION _ltree_same(internal, internal, internal)
 851 RETURNS internal
 852 AS 'MODULE_PATHNAME'
 853 LANGUAGE C IMMUTABLE STRICT;
 854
 855 CREATE OPERATOR CLASS gist__ltree_ops
 856     DEFAULT FOR TYPE _ltree USING gist AS
 857         OPERATOR        10      <@ (_ltree, ltree),
 858         OPERATOR        11      @> (ltree, _ltree),
 859         OPERATOR        12      ~ (_ltree, lquery),
 860         OPERATOR        13      ~ (lquery, _ltree),
 861         OPERATOR        14      @ (_ltree, ltxtquery),
 862         OPERATOR        15      @ (ltxtquery, _ltree),
 863         OPERATOR        16      ? (_ltree, _lquery),
 864         OPERATOR        17      ? (_lquery, _ltree),
 865         FUNCTION        1       _ltree_consistent (internal, internal, int2, oid, internal),
 866         FUNCTION        2       _ltree_union (internal, internal),
 867         FUNCTION        3       _ltree_compress (internal),
 868         FUNCTION        4       ltree_decompress (internal),
 869         FUNCTION        5       _ltree_penalty (internal, internal, internal),
 870         FUNCTION        6       _ltree_picksplit (internal, internal),
 871         FUNCTION        7       _ltree_same (internal, internal, internal),
 872         STORAGE         ltree_gist;