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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/optimizer/util/plancat.c
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@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.102 2005/03/27 06:29:42 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.103 2005/03/29 00:17:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -137,8 +137,8 @@ get_relation_info(Oid relationObjectId, RelOptInfo *rel)
for (i = 0; i < ncolumns; i++)
{
info->classlist[i] = index->indclass[i];
info->indexkeys[i] = index->indkey[i];
info->classlist[i] = indexRelation->rd_indclass->values[i];
info->indexkeys[i] = index->indkey.values[i];
}
info->relam = indexRelation->rd_rel->relam;