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Add an "argisrow" field to NullTest nodes, following a plan made way back in

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8.2beta but never carried out.  This avoids repetitive tests of whether the
argument is of scalar or composite type.  Also, be a bit more paranoid about
composite arguments in some places where we previously weren't checking.
This commit is contained in:
Tom Lane
2010-01-01 23:03:10 +00:00
parent 29c4ad9829
commit 7839d35991
14 changed files with 41 additions and 30 deletions
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5
src/backend/optimizer/path/indxpath.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/path/indxpath.c,v 1.243 2010/01/01 21:53:49 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/path/indxpath.c,v 1.244 2010/01/01 23:03:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1256,7 +1256,8 @@ match_clause_to_indexcol(IndexOptInfo *index,
{
NullTest *nt = (NullTest *) clause;
if (match_index_to_operand((Node *) nt->arg, indexcol, index))
if (!nt->argisrow &&
match_index_to_operand((Node *) nt->arg, indexcol, index))
return true;
return false;
}