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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/readfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.228 2009/12/15 17:57:46 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.229 2010/01/01 23:03:10 tgl Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@ -963,6 +963,7 @@ _readNullTest(void)
READ_NODE_FIELD(arg);
READ_ENUM_FIELD(nulltesttype, NullTestType);
READ_BOOL_FIELD(argisrow);
READ_DONE();
}