142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* multikey.c--
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* POSTGRES multikey indices create code.
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*
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*-------------------------------------------------------------------------
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*/
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#include <stdio.h>
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#include <string.h>
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#include <postgres.h>
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#include <storage/lmgr.h>
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#include <nodes/parsenodes.h>
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#include <commands/defrem.h>
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#include <utils/builtins.h>
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int4 create_mki_2 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2);
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int4 create_mki_3 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2,
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struct varlena * a3);
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int4 create_mki_4 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2,
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struct varlena * a3, struct varlena * a4);
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extern bool FastBuild;
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static bool BuildMode;
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int4 create_mki_2 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2)
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{
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char * indexname = textout (index);
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char * relname = textout (rel);
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char * a1name = textout (a1);
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char * a2name = textout (a2);
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IndexElem *ie1 = makeNode(IndexElem);
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IndexElem *ie2 = makeNode(IndexElem);
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List *alist;
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ie1->name = a1name;
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ie1->args = NIL; ie1->class = NULL; ie1->tname = (TypeName*)NULL;
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ie2->name = a2name;
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ie2->args = NIL; ie2->class = NULL; ie2->tname = (TypeName*)NULL;
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alist = lcons (ie2,NIL);
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alist = lcons (ie1,alist);
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BuildMode = FastBuild;
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FastBuild = false; /* for the moment */
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DefineIndex (relname, indexname, "btree", alist,
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(List*) NULL, false, (Expr*)NULL, (List*)NULL);
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FastBuild = BuildMode;
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return (0);
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}
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int4 create_mki_3 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2,
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struct varlena * a3)
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{
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char * indexname = textout (index);
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char * relname = textout (rel);
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char * a1name = textout (a1);
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char * a2name = textout (a2);
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char * a3name = textout (a3);
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IndexElem *ie1 = makeNode(IndexElem);
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IndexElem *ie2 = makeNode(IndexElem);
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IndexElem *ie3 = makeNode(IndexElem);
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List *alist;
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ie1->name = a1name;
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ie1->args = NIL; ie1->class = NULL; ie1->tname = (TypeName*)NULL;
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ie2->name = a2name;
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ie2->args = NIL; ie2->class = NULL; ie2->tname = (TypeName*)NULL;
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ie3->name = a3name;
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ie3->args = NIL; ie3->class = NULL; ie3->tname = (TypeName*)NULL;
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alist = lcons (ie3,NIL);
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alist = lcons (ie2,alist);
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alist = lcons (ie1,alist);
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BuildMode = FastBuild;
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FastBuild = false; /* for the moment */
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DefineIndex (relname, indexname, "btree", alist,
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(List*) NULL, false, (Expr*)NULL, (List*)NULL);
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FastBuild = BuildMode;
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return (0);
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}
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int4 create_mki_4 (struct varlena * index, struct varlena * rel,
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struct varlena * a1, struct varlena * a2,
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struct varlena * a3, struct varlena * a4)
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{
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char * indexname = textout (index);
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char * relname = textout (rel);
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char * a1name = textout (a1);
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char * a2name = textout (a2);
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char * a3name = textout (a3);
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char * a4name = textout (a4);
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IndexElem *ie1 = makeNode(IndexElem);
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IndexElem *ie2 = makeNode(IndexElem);
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IndexElem *ie3 = makeNode(IndexElem);
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IndexElem *ie4 = makeNode(IndexElem);
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List *alist;
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ie1->name = a1name;
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ie1->args = NIL; ie1->class = NULL; ie1->tname = (TypeName*)NULL;
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ie2->name = a2name;
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ie2->args = NIL; ie2->class = NULL; ie2->tname = (TypeName*)NULL;
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ie3->name = a3name;
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ie3->args = NIL; ie3->class = NULL; ie3->tname = (TypeName*)NULL;
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ie4->name = a4name;
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ie4->args = NIL; ie4->class = NULL; ie4->tname = (TypeName*)NULL;
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alist = lcons (ie4,NIL);
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alist = lcons (ie3,alist);
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alist = lcons (ie2,alist);
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alist = lcons (ie1,alist);
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BuildMode = FastBuild;
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FastBuild = false; /* for the moment */
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DefineIndex (relname, indexname, "btree", alist,
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(List*) NULL, false, (Expr*)NULL, (List*)NULL);
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FastBuild = BuildMode;
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return (0);
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}
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