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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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7
src/backend/parser/parse_coerce.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.90 2002/12/12 15:49:38 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.91 2002/12/12 20:35:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -458,9 +458,8 @@ coerce_type_constraints(Node *arg, Oid typeId, CoercionForm cformat)
r->testtype = CONSTR_TEST_CHECK;
r->name = NameStr(c->conname);
r->domname = NameStr(typTup->typname);
r->check_expr = stringToNode(MemoryContextStrdup(CacheMemoryContext,
DatumGetCString(DirectFunctionCall1(textout,
val))));
r->check_expr = stringToNode(DatumGetCString(DirectFunctionCall1(textout,
val)));
arg = (Node *) r;
}