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I've fixed up the way domain constraints (not null and type length)

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are managed as per request.

Moved from merging with table attributes to applying themselves during
coerce_type() and coerce_type_typmod.

Regression tests altered to test the cast() scenarios.

Rod Taylor
This commit is contained in:
Bruce Momjian
2002-07-06 20:16:36 +00:00
parent 5af6e0a4ac
commit 1666970275
11 changed files with 263 additions and 112 deletions
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28
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.336 2002/07/04 15:23:59 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.337 2002/07/06 20:16:35 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -6968,24 +6968,16 @@ static Node *
makeTypeCast(Node *arg, TypeName *typename)
{
/*
* If arg is an A_Const, just stick the typename into the
* field reserved for it --- unless there's something there already!
* (We don't want to collapse x::type1::type2 into just x::type2.)
* Otherwise, generate a TypeCast node.
* Simply generate a TypeCast node.
*
* Earlier we would determine whether an A_Const would
* be acceptable, however Domains require coerce_type()
* to process them -- applying constraints as required.
*/
if (IsA(arg, A_Const) &&
((A_Const *) arg)->typename == NULL)
{
((A_Const *) arg)->typename = typename;
return arg;
}
else
{
TypeCast *n = makeNode(TypeCast);
n->arg = arg;
n->typename = typename;
return (Node *) n;
}
TypeCast *n = makeNode(TypeCast);
n->arg = arg;
n->typename = typename;
return (Node *) n;
}
static Node *