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Major optimizer improvement for joining a large number of tables.

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This commit is contained in:
Bruce Momjian
1999-02-09 03:51:42 +00:00
parent be948af2e8
commit fe35ffe7e0
21 changed files with 277 additions and 139 deletions
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6
src/backend/nodes/list.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.15 1998/09/01 04:29:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.16 1999/02/09 03:51:13 momjian Exp $
*
* NOTES
* XXX a few of the following functions are duplicated to handle
@@ -368,8 +368,8 @@ member(void *l1, List *l2)
List *i;
foreach(i, l2)
if (equal((Node *) (lfirst(i)), (Node *) l1))
return true;
if (equal((Node *) l1, (Node *) lfirst(i)))
return true;
return false;
}