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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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7
src/backend/executor/nodeAgg.c
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@ -61,7 +61,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.131 2005/03/22 20:13:06 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.132 2005/03/29 00:16:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1300,15 +1300,16 @@ ExecInitAgg(Agg *node, EState *estate)
if (aggtranstype == ANYARRAYOID || aggtranstype == ANYELEMENTOID)
{
/* have to fetch the agg's declared input type... */
Oid agg_arg_types[FUNC_MAX_ARGS];
Oid *agg_arg_types;
int agg_nargs;
(void) get_func_signature(aggref->aggfnoid,
agg_arg_types, &agg_nargs);
&agg_arg_types, &agg_nargs);
Assert(agg_nargs == 1);
aggtranstype = resolve_generic_type(aggtranstype,
inputType,
agg_arg_types[0]);
pfree(agg_arg_types);
}
/* build expression trees using actual argument & result types */