linpax / microphp-framework

db/drivers/PgsqlDriver.php

Doc Comments +4 added lines, -4 removed lines

@@ -50,7 +50,7 @@ 
      *
      * @param string $dbName Database name
      *
-     * @return boolean
+     * @return boolean|null
      * @throws \InvalidArgumentException
      */
     public function switchDatabase($dbName)
@@ -221,7 +221,7 @@ 
      * @param array $elements Elements to update
      * @param string $conditions Conditions for search
      *
-     * @return bool
+     * @return boolean|null
      */
     public function update($table, array $elements = [], $conditions = '')
     {
@@ -237,7 +237,7 @@ 
      * @param string $conditions Conditions to search
      * @param array $params Params array
      *
-     * @return bool
+     * @return boolean|null
      */
     public function delete($table, $conditions, array $params = [])
     {
@@ -267,7 +267,7 @@ 
      * @param string $table Table name
      * @param array $params Params array
      *
-     * @return bool
+     * @return boolean|null
      */
     public function exists($table, array $params = [])
     {