queryScalar

ethan · ethan · commit ce6a1fe2a610 · 2016-12-27T16:26:40.000+08:00
diff --git a/src/Connection.php b/src/Connection.php
@@ -222,7 +222,7 @@ public function queryScalar($sql, $params = array())
             $statement->execute($params);
             $this->logQuery($sql, $params, $this->getElapsedTime($start));
             $data = $statement->fetch(PDO::FETCH_NUM);
-            if (is_array($data) && isset($data[0])) {
+            if (is_array($data) && count($data) > 0) {
                 return $data[0];
             }
             throw new Exception(__CLASS__ . '::queryScalar() fetch result set error.');

Original file line number	Diff line number	Diff line change
`@@ -222,7 +222,7 @@ public function queryScalar($sql, $params = array())`
`222`	`222`	`$statement->execute($params);`
`223`	`223`	`$this->logQuery($sql, $params, $this->getElapsedTime($start));`
`224`	`224`	`$data = $statement->fetch(PDO::FETCH_NUM);`
`225`		`- if (is_array($data) && isset($data[0])) {`
	`225`	`+ if (is_array($data) && count($data) > 0) {`
`226`	`226`	`return $data[0];`
`227`	`227`	`}`
`228`	`228`	`throw new Exception(__CLASS__ . '::queryScalar() fetch result set error.');`