Improving performance when quering information_schema

cakephp · Sep 16, 2014 · 1b1a0db · 1b1a0db
1 parent 6e8f607
commit 1b1a0db
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Database/Schema/MysqlSchema.php b/src/Database/Schema/MysqlSchema.php
@@ -213,9 +213,9 @@ public function describeForeignKeySql($tableName, $config) {
 		$sql = 'SELECT * FROM information_schema.key_column_usage AS kcu
 			INNER JOIN information_schema.referential_constraints AS rc
 			ON (kcu.CONSTRAINT_NAME = rc.CONSTRAINT_NAME)
-			WHERE kcu.TABLE_SCHEMA = ? AND kcu.TABLE_NAME = ?';
+			WHERE kcu.TABLE_SCHEMA = ? AND kcu.TABLE_NAME = ? and rc.TABLE_NAME = ?';
 
-		return [$sql, [$config['database'], $tableName]];
+		return [$sql, [$config['database'], $tableName, $tableName]];
 	}
 
 /**