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Divide functions into three volatility classes (immutable, stable, and

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volatile), rather than the old cachable/noncachable distinction.  This
allows indexscan optimizations in many places where we formerly didn't.
Also, add a pronamespace column to pg_proc (it doesn't do anything yet,
however).
This commit is contained in:
Tom Lane
2002-04-05 00:31:36 +00:00
parent 0e11aea246
commit 4bdb4be62e
26 changed files with 1668 additions and 1542 deletions
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4
src/backend/utils/cache/syscache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.72 2002/03/31 06:26:32 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.73 2002/04/05 00:31:31 tgl Exp $
*
* NOTES
* These routines allow the parser/planner/executor to perform
@ -304,7 +304,7 @@ static const struct cachedesc cacheinfo[] = {
0
}},
{ProcedureRelationName, /* PROCNAME */
ProcedureNameIndex,
ProcedureNameNspIndex, /* XXX very temporary */
0,
3,
{