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In RelationNameGetRelation(), replace temp table name by

real name before doing lookup. We only want to index temp tables by theirreal names in the relcache, to ensure there's not more than one relcacheentry for them.

1 parent15dd167 commitcb36c0fCopy full SHA for cb36c0f

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-21

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src/backend/utils/cache
- relcache.c

1 file changed

+12

-21

lines changed

`‎src/backend/utils/cache/relcache.c`

Lines changed: 12 additions & 21 deletions

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.69 1999/09/0418:42:13 tgl Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.70 1999/09/0421:47:23 tgl Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -56,6 +56,7 @@`
`56`	`56`	`#include"utils/builtins.h"`
`57`	`57`	`#include"utils/catcache.h"`
`58`	`58`	`#include"utils/relcache.h"`
	`59`	`+#include"utils/temprel.h"`
`59`	`60`
`60`	`61`
`61`	`62`	`staticvoidRelationFlushRelation(Relation*relationPtr,`
`@@ -1182,6 +1183,7 @@ RelationIdGetRelation(Oid relationId)`
`1182`	`1183`	`Relation`
`1183`	`1184`	`RelationNameGetRelation(char*relationName)`
`1184`	`1185`	`{`
	`1186`	`+char*temprelname;`
`1185`	`1187`	`Relationrd;`
`1186`	`1188`	`RelationBuildDescInfobuildinfo;`
`1187`	`1189`
`@@ -1192,6 +1194,15 @@ RelationNameGetRelation(char *relationName)`
`1192`	`1194`	`IncrHeapAccessStat(local_RelationNameGetRelation);`
`1193`	`1195`	`IncrHeapAccessStat(global_RelationNameGetRelation);`
`1194`	`1196`
	`1197`	`+/* ----------------`
	`1198`	`+ *if caller is looking for a temp relation, substitute its real name;`
	`1199`	`+ *we only index temp rels by their real names.`
	`1200`	`+ * ----------------`
	`1201`	`+ */`
	`1202`	`+temprelname=get_temp_rel_by_name(relationName);`
	`1203`	`+if (temprelname)`
	`1204`	`+relationName=temprelname;`
	`1205`	`+`
`1195`	`1206`	`/* ----------------`
`1196`	`1207`	`*first try and get a reldesc from the cache`
`1197`	`1208`	`* ----------------`
`@@ -1212,26 +1223,6 @@ RelationNameGetRelation(char *relationName)`
`1212`	`1223`	`returnrd;`
`1213`	`1224`	`}`
`1214`	`1225`
`1215`		`-/* ----------------`
`1216`		`- *old "getreldesc" interface.`
`1217`		`- * ----------------`
`1218`		`- */`
`1219`		`-#ifdefNOT_USED`
`1220`		`-Relation`
`1221`		`-getreldesc(char*relationName)`
`1222`		`-{`
`1223`		`-/* ----------------`
`1224`		`- *increment access statistics`
`1225`		`- * ----------------`
`1226`		`- */`
`1227`		`-IncrHeapAccessStat(local_getreldesc);`
`1228`		`-IncrHeapAccessStat(global_getreldesc);`
`1229`		`-`
`1230`		`-returnRelationNameGetRelation(relationName);`
`1231`		`-}`
`1232`		`-`
`1233`		`-#endif`
`1234`		`-`
`1235`	`1226`	`/* ----------------------------------------------------------------`
`1236`	`1227`	`*cache invalidation support routines`
`1237`	`1228`	`* ----------------------------------------------------------------`

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Commitcb36c0f

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`‎src/backend/utils/cache/relcache.c`

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