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Determine the set of constraints applied to a domain at executor

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startup, not in the parser; this allows ALTER DOMAIN to work correctly
with domain constraint operations stored in rules.  Rod Taylor;
code review by Tom Lane.
This commit is contained in:
Tom Lane
2003-02-03 21:15:45 +00:00
parent 464598b637
commit 3752e85bad
24 changed files with 524 additions and 339 deletions
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28
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 1.182 2003/01/23 23:38:56 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.183 2003/02/03 21:15:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -383,19 +383,25 @@ _equalBooleanTest(BooleanTest *a, BooleanTest *b)
}
static bool
_equalConstraintTest(ConstraintTest *a, ConstraintTest *b)
_equalCoerceToDomain(CoerceToDomain *a, CoerceToDomain *b)
{
COMPARE_NODE_FIELD(arg);
COMPARE_SCALAR_FIELD(testtype);
COMPARE_STRING_FIELD(name);
COMPARE_STRING_FIELD(domname);
COMPARE_NODE_FIELD(check_expr);
COMPARE_SCALAR_FIELD(resulttype);
COMPARE_SCALAR_FIELD(resulttypmod);
/*
* Special-case COERCE_DONTCARE, so that pathkeys can build coercion
* nodes that are equal() to both explicit and implicit coercions.
*/
if (a->coercionformat != b->coercionformat &&
a->coercionformat != COERCE_DONTCARE &&
b->coercionformat != COERCE_DONTCARE)
return false;
return true;
}
static bool
_equalConstraintTestValue(ConstraintTestValue *a, ConstraintTestValue *b)
_equalCoerceToDomainValue(CoerceToDomainValue *a, CoerceToDomainValue *b)
{
COMPARE_SCALAR_FIELD(typeId);
COMPARE_SCALAR_FIELD(typeMod);
@@ -1599,11 +1605,11 @@ equal(void *a, void *b)
case T_BooleanTest:
retval = _equalBooleanTest(a, b);
break;
case T_ConstraintTest:
retval = _equalConstraintTest(a, b);
case T_CoerceToDomain:
retval = _equalCoerceToDomain(a, b);
break;
case T_ConstraintTestValue:
retval = _equalConstraintTestValue(a, b);
case T_CoerceToDomainValue:
retval = _equalCoerceToDomainValue(a, b);
break;
case T_TargetEntry:
retval = _equalTargetEntry(a, b);