/*
* DefineRule
* Execute a CREATE RULE command.
*/
ObjectAddress
DefineRule(RuleStmt *stmt, const char *queryString)
{
List *actions;
Node *whereClause;
Oid relId;
/* Parse analysis. */
transformRuleStmt(stmt, queryString, &actions, &whereClause);
/*
* Find and lock the relation. Lock level should match
* DefineQueryRewrite.
*/
relId = RangeVarGetRelid(stmt->relation, AccessExclusiveLock, false);
/* ... and execute */
return DefineQueryRewrite(stmt->rulename,
relId,
whereClause,
stmt->event,
stmt->instead,
stmt->replace,
actions);
}
/*
* DefineRule
* Execute a CREATE RULE command.
*/
void
DefineRule(RuleStmt *stmt, const char *queryString)
{
List *actions;
Node *whereClause;
Oid relId;
/* Parse analysis ... */
transformRuleStmt(stmt, queryString, &actions, &whereClause);
/* ... find the relation ... */
relId = RangeVarGetRelid(stmt->relation, false);
/* ... and execute */
DefineQueryRewrite(stmt->rulename,
relId,
whereClause,
stmt->event,
stmt->instead,
stmt->replace,
actions);
}