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Commitc3d637a

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Add in Vadim's multikey functions/examples as part of contrib
1 parentb5e16b1 commitc3d637a

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3 files changed

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3 files changed

+185
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‎contrib/multikey/Makefile

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POSTSRC= /home/postgres/postgres95/src
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include$(POSTSRC)/Makefile.global
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include$(POSTSRC)/Makefile.custom
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CFLAGS=$(CFLAGS_SL) -Wall -Wmissing-prototypes -I$(POSTSRC)/include
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%.so:%.o
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$(LD) -x -r -o$<.obj$<
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@echo building shared object$@
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@rm -f$@.pic
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@${AR} cq$@.pic`lorder $<.obj| tsort`
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${RANLIB}$@.pic
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@rm -f$@
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$(LD) -x -Bshareable -Bforcearchive\
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-o$@$@.pic
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#
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# build dynamically-loaded object file
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#
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DLOBJS= multikey.so
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objdir= ./
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CLEANFILES+=$(DLOBJS)
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all::$(DLOBJS)
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$(DLOBJS):multikey.c

‎contrib/multikey/create.sql

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dropfunction create_mki_2 (text,text,text,text);
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dropfunction create_mki_3 (text,text,text,text,text);
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dropfunction create_mki_4 (text,text,text,text,text,text);
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createfunctioncreate_mki_2 (text,text,text,text)
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returns int4as'/home/postgres/My/Btree/MULTIKEY/multikey.so'
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language'c';
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createfunctioncreate_mki_3 (text,text,text,text,text)
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returns int4as'/home/postgres/My/Btree/MULTIKEY/multikey.so'
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language'c';
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createfunctioncreate_mki_4 (text,text,text,text,text,text)
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returns int4as'/home/postgres/My/Btree/MULTIKEY/multikey.so'
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language'c';

‎contrib/multikey/multikey.c

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/*-------------------------------------------------------------------------
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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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int4create_mki_2 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*a2);
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int4create_mki_3 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*a2,
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structvarlena*a3);
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int4create_mki_4 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*a2,
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structvarlena*a3,structvarlena*a4);
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externboolFastBuild;
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staticboolBuildMode;
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int4create_mki_2 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*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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int4create_mki_3 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*a2,
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structvarlena*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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int4create_mki_4 (structvarlena*index,structvarlena*rel,
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structvarlena*a1,structvarlena*a2,
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structvarlena*a3,structvarlena*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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