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Executor no longer cares about mergejoinop, mergerightorder, mergeleftorder,

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so remove them from MergeJoin node.  Hack together a partial
solution for commuted mergejoin operators --- yesterday
a mergejoin int4 = int8 would crash if the planner decided to
commute it, today it works.  The planner's representation of
mergejoins really needs a rewrite though.
Also, further testing of mergejoin ops in opr_sanity regress test.
This commit is contained in:
Tom Lane
1999-03-01 00:10:44 +00:00
parent d077c61492
commit b204d10c79
10 changed files with 156 additions and 95 deletions
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12
src/backend/nodes/copyfuncs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.74 1999/02/22 19:55:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.75 1999/03/01 00:10:30 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -326,16 +326,6 @@ _copyMergeJoin(MergeJoin *from)
*/
Node_Copy(from, newnode, mergeclauses);
newnode->mergejoinop = from->mergejoinop;
newnode->mergerightorder = (Oid *) palloc(sizeof(Oid) * 2);
newnode->mergerightorder[0] = from->mergerightorder[0];
newnode->mergerightorder[1] = 0;
newnode->mergeleftorder = (Oid *) palloc(sizeof(Oid) * 2);
newnode->mergeleftorder[0] = from->mergeleftorder[0];
newnode->mergeleftorder[1] = 0;
return newnode;
}