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Extend join-selectivity API (oprjoin interface) so that join type is

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passed to join selectivity estimators.  Make use of this in eqjoinsel
to derive non-bogus selectivity for IN clauses.  Further tweaking of
cost estimation for IN.
initdb forced because of pg_proc.h changes.
This commit is contained in:
Tom Lane
2003-01-28 22:13:41 +00:00
parent 955a1f81a7
commit 2e46b762eb
16 changed files with 222 additions and 137 deletions
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4
src/include/utils/selfuncs.h
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@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: selfuncs.h,v 1.11 2003/01/20 18:55:07 tgl Exp $
* $Id: selfuncs.h,v 1.12 2003/01/28 22:13:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -67,7 +67,7 @@ extern Datum nlikejoinsel(PG_FUNCTION_ARGS);
extern Datum icnlikejoinsel(PG_FUNCTION_ARGS);
extern Selectivity booltestsel(Query *root, BoolTestType booltesttype,
Node *arg, int varRelid);
Node *arg, int varRelid, JoinType jointype);
extern Selectivity nulltestsel(Query *root, NullTestType nulltesttype,
Node *arg, int varRelid);