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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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7
src/backend/utils/adt/ruleutils.c
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@ -1343,10 +1343,9 @@ pg_get_constraintdef_worker(Oid constraintId, bool fullCommand,
* Note that simply checking for leading '(' and trailing ')'
* would NOT be good enough, consider "(x > 0) AND (y > 0)".
*/
appendStringInfo(&buf, "CHECK %s(%s)",
conForm->connoinherit ? "NO INHERIT " : "",
consrc);
appendStringInfo(&buf, "CHECK (%s)%s",
consrc,
conForm->connoinherit ? " NO INHERIT" : "");
break;
}
case CONSTRAINT_TRIGGER: