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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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3
src/backend/nodes/equalfuncs.c
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@@ -22,7 +22,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.377 2009/12/23 02:35:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.378 2010/01/01 23:03:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -623,6 +623,7 @@ _equalNullTest(NullTest *a, NullTest *b)
{
COMPARE_NODE_FIELD(arg);
COMPARE_SCALAR_FIELD(nulltesttype);
COMPARE_SCALAR_FIELD(argisrow);
return true;
}