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Change syntax of new CHECK NO INHERIT constraints

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The initially implemented syntax, "CHECK NO INHERIT (expr)" was not
deemed very good, so switch to "CHECK (expr) NO INHERIT" instead.  This
way it looks similar to SQL-standards compliant constraint attribute.

Backport to 9.2 where the new syntax and feature was introduced.

Per discussion.
This commit is contained in:
Alvaro Herrera
2012-07-24 15:49:54 -04:00
parent d61d9aa750
commit d7b47e5155
12 changed files with 67 additions and 48 deletions
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8
src/backend/commands/typecmds.c
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@@ -921,8 +921,14 @@ DefineDomain(CreateDomainStmt *stmt)
/*
* Check constraints are handled after domain creation, as
* they require the Oid of the domain
* they require the Oid of the domain; at this point we can
* only check that they're not marked NO INHERIT, because
* that would be bogus.
*/
if (constr->is_no_inherit)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("CHECK constraints for domains cannot be marked NO INHERIT")));
break;
/*