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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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15
src/backend/nodes/readfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.141 2002/12/12 15:49:28 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.142 2002/12/12 20:35:12 tgl Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@ -792,17 +792,6 @@ _readExprFieldSelect(void)
READ_DONE();
}
/*
* _readDomainConstraintValue
*/
static DomainConstraintValue *
_readDomainConstraintValue(void)
{
READ_LOCALS_NO_FIELDS(DomainConstraintValue);
READ_DONE();
}
/*
* _readRangeTblEntry
*/
@ -935,8 +924,6 @@ parseNodeString(void)
return_value = _readTypeName();
else if (MATCH("EXPRFIELDSELECT", 15))
return_value = _readExprFieldSelect();
else if (MATCH("DOMAINCONSTRAINTVALUE", 21))
return_value = _readDomainConstraintValue();
else if (MATCH("RTE", 3))
return_value = _readRangeTblEntry();
else