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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/copyfuncs.c
View File

@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.456 2009/12/29 20:11:45 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.457 2010/01/01 23:03:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1506,6 +1506,7 @@ _copyNullTest(NullTest *from)
COPY_NODE_FIELD(arg);
COPY_SCALAR_FIELD(nulltesttype);
COPY_SCALAR_FIELD(argisrow);
return newnode;
}

3
src/backend/nodes/equalfuncs.c
View File

@ -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;
}

3
src/backend/nodes/outfuncs.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.377 2009/12/29 20:11:45 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.378 2010/01/01 23:03:10 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -1229,6 +1229,7 @@ _outNullTest(StringInfo str, NullTest *node)
WRITE_NODE_FIELD(arg);
WRITE_ENUM_FIELD(nulltesttype, NullTestType);
WRITE_BOOL_FIELD(argisrow);
}
static void

3
src/backend/nodes/readfuncs.c
View File

@ -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();
}