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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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6
src/backend/utils/adt/regproc.c
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@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.92 2004/12/31 22:01:22 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.93 2005/03/29 00:17:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -98,7 +98,7 @@ regprocin(PG_FUNCTION_ARGS)
CStringGetDatum(pro_name_or_oid));
hdesc = heap_openr(ProcedureRelationName, AccessShareLock);
sysscan = systable_beginscan(hdesc, ProcedureNameNspIndex, true,
sysscan = systable_beginscan(hdesc, ProcedureNameArgsNspIndex, true,
SnapshotNow, 1, skey);
while (HeapTupleIsValid(tuple = systable_getnext(sysscan)))
@ -336,7 +336,7 @@ format_procedure(Oid procedure_oid)
quote_qualified_identifier(nspname, proname));
for (i = 0; i < nargs; i++)
{
Oid thisargtype = procform->proargtypes[i];
Oid thisargtype = procform->proargtypes.values[i];
if (i > 0)
appendStringInfoChar(&buf, ',');