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Preliminary code review for domain CHECK constraints patch: add documentation,

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make VALUE a non-reserved word again, use less invasive method of passing
ConstraintTestValue into transformExpr, fix problems with nested constraint
testing, do correct thing with NULL result from a constraint expression,
remove memory leak.  Domain checks still need much more work if we are going
to allow ALTER DOMAIN, however.
This commit is contained in:
Tom Lane
2002-12-12 20:35:16 +00:00
parent ff7349694f
commit b0422b215c
28 changed files with 222 additions and 292 deletions
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11
src/backend/nodes/equalfuncs.c
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@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.175 2002/12/12 15:49:28 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.176 2002/12/12 20:35:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -648,12 +648,6 @@ _equalInsertDefault(InsertDefault *a, InsertDefault *b)
return true;
}
static bool
_equalDomainConstraintValue(DomainConstraintValue *a, DomainConstraintValue *b)
{
return true;
}
static bool
_equalClosePortalStmt(ClosePortalStmt *a, ClosePortalStmt *b)
{
@@ -1931,9 +1925,6 @@ equal(void *a, void *b)
case T_InsertDefault:
retval = _equalInsertDefault(a, b);
break;
case T_DomainConstraintValue:
retval = _equalDomainConstraintValue(a, b);
break;
default:
elog(WARNING, "equal: don't know whether nodes of type %d are equal",