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Convert oidvector and int2vector into variable-length arrays. This

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change saves a great deal of space in pg_proc and its primary index,
and it eliminates the former requirement that INDEX_MAX_KEYS and
FUNC_MAX_ARGS have the same value.  INDEX_MAX_KEYS is still embedded
in the on-disk representation (because it affects index tuple header
size), but FUNC_MAX_ARGS is not.  I believe it would now be possible
to increase FUNC_MAX_ARGS at little cost, but haven't experimented yet.
There are still a lot of vestigial references to FUNC_MAX_ARGS, which
I will clean up in a separate pass.  However, getting rid of it
altogether would require changing the FunctionCallInfoData struct,
and I'm not sure I want to buy into that.
This commit is contained in:
Tom Lane
2005-03-29 00:17:27 +00:00
parent 119191609c
commit 70c9763d48
61 changed files with 819 additions and 581 deletions
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12
src/backend/utils/cache/syscache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/syscache.c,v 1.96 2004/12/31 22:01:25 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/syscache.c,v 1.97 2005/03/29 00:17:12 tgl Exp $
*
* NOTES
* These routines allow the parser/planner/executor to perform
@ -334,15 +334,15 @@ static const struct cachedesc cacheinfo[] = {
0,
0
}},
{ProcedureRelationName, /* PROCNAMENSP */
ProcedureNameNspIndex,
{ProcedureRelationName, /* PROCNAMEARGSNSP */
ProcedureNameArgsNspIndex,
0,
4,
3,
{
Anum_pg_proc_proname,
Anum_pg_proc_pronargs,
Anum_pg_proc_proargtypes,
Anum_pg_proc_pronamespace
Anum_pg_proc_pronamespace,
0
}},
{ProcedureRelationName, /* PROCOID */
ProcedureOidIndex,