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Code review for domain-constraints patch. Use a new ConstraintTest node

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type for runtime constraint checks, instead of misusing the parse-time
Constraint node for the purpose.  Fix some damage introduced into type
coercion logic; in particular ensure that a coerced expression tree will
read out the correct result type when inspected (patch had broken some
RelabelType cases).  Enforce domain NOT NULL constraints against columns
that are omitted from an INSERT.
This commit is contained in:
Tom Lane
2002-08-31 22:10:48 +00:00
parent 1440acd703
commit 845a6c3acc
19 changed files with 335 additions and 176 deletions
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3
src/include/nodes/nodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.117 2002/08/27 04:55:11 tgl Exp $
* $Id: nodes.h,v 1.118 2002/08/31 22:10:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -229,6 +229,7 @@ typedef enum NodeTag
T_GroupClause,
T_NullTest,
T_BooleanTest,
T_ConstraintTest,
T_CaseExpr,
T_CaseWhen,
T_FkConstraint,