PgSqlDriver: uses cache for getColumnTypes() to avoid excessive numbe…

…r of queries [Closes #212]
nette · Nov 20, 2018 · 7c0113d · 7c0113d
1 parent 7c08500
commit 7c0113d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Database/Drivers/PgSqlDriver.php b/src/Database/Drivers/PgSqlDriver.php
@@ -218,7 +218,12 @@ public function getForeignKeys(string $table): array
 
 	public function getColumnTypes(\PDOStatement $statement): array
 	{
-		return Nette\Database\Helpers::detectTypes($statement);
+		static $cache;
+		$item = &$cache[$statement->queryString];
+		if ($item === null) {
+			$item = Nette\Database\Helpers::detectTypes($statement);
+		}
+		return $item;
 	}