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Optimizer can now estimate selectivity of IS NULL, IS NOT NULL,

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IS TRUE, etc, with some degree of verisimilitude.  Split out
selectivity support functions from builtins.h into a new header
file selfuncs.h, so as to reduce the number of header files builtins.h
must depend on.  Fix a few missing inclusions exposed thereby.
From Joe Conway, with some kibitzing from Tom Lane.
This commit is contained in:
Tom Lane
2001-06-25 21:11:45 +00:00
parent c31545af27
commit 4d58a7ca87
9 changed files with 439 additions and 68 deletions
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8
src/backend/commands/comment.c
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@ -7,14 +7,13 @@
* Copyright (c) 1999-2001, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/comment.c,v 1.30 2001/06/13 21:44:40 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/comment.c,v 1.31 2001/06/25 21:11:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "utils/builtins.h"
#include "access/heapam.h"
#include "catalog/catname.h"
#include "catalog/indexing.h"
@ -26,11 +25,12 @@
#include "catalog/pg_class.h"
#include "commands/comment.h"
#include "miscadmin.h"
#include "parser/parse.h"
#include "parser/parse_expr.h"
#include "parser/parse_func.h"
#include "parser/parse.h"
#include "rewrite/rewriteRemove.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
#include "utils/syscache.h"
@ -717,7 +717,7 @@ CommentOperator(char *opername, List *arguments, char *comment)
/*** Get the procedure associated with the operator ***/
data = (Form_pg_operator) GETSTRUCT(optuple);
oid = RegprocToOid(data->oprcode);
oid = data->oprcode;
if (oid == InvalidOid)
elog(ERROR, "operator '%s' does not have an underlying function", opername);