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Arrange for function default arguments to be processed properly in expressions

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that are set up for execution with ExecPrepareExpr rather than going through
the full planner process.  By introducing an explicit notion of "expression
planning", this patch also lays a bit of groundwork for maybe someday
allowing sub-selects in standalone expressions.
This commit is contained in:
Tom Lane
2009-01-09 15:46:11 +00:00
parent d3706cb6d2
commit d04db37072
7 changed files with 73 additions and 21 deletions
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8
src/backend/optimizer/util/predtest.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/util/predtest.c,v 1.23 2009/01/01 17:23:45 momjian Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/util/predtest.c,v 1.24 2009/01/09 15:46:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -22,6 +22,7 @@
#include "miscadmin.h"
#include "nodes/nodeFuncs.h"
#include "optimizer/clauses.h"
#include "optimizer/planmain.h"
#include "optimizer/predtest.h"
#include "utils/array.h"
#include "utils/inval.h"
@ -1405,8 +1406,11 @@ btree_predicate_proof(Expr *predicate, Node *clause, bool refute_it)
(Expr *) pred_const,
(Expr *) clause_const);
/* Fill in opfuncids */
fix_opfuncids((Node *) test_expr);
/* Prepare it for execution */
test_exprstate = ExecPrepareExpr(test_expr, estate);
test_exprstate = ExecInitExpr(test_expr, NULL);
/* And execute it. */
test_result = ExecEvalExprSwitchContext(test_exprstate,