Fixes #15117: Fixed `yii\db\Schema::getTableMetadata` cache refreshing

framework/CHANGELOG.md

@@ -8,6 +8,7 @@ Yii Framework 2 Change Log
 - Bug #16010: Fixed `yii\filters\ContentNegotiator` behavior when GET parameters contain an array (rugabarbo)
 - Bug #14660: Fixed `yii\caching\DbCache` concurrency issue when set values with the same key (rugabarbo)
 - Bug #15988: Fixed bash completion (alekciy)
+- Bug #15117: Fixed `yii\db\Schema::getTableMetadata` cache refreshing (boboldehampsink)
 
 2.0.15.1 March 21, 2018
 -----------------------

framework/db/Schema.php

@@ -737,10 +737,10 @@ abstract class Schema extends BaseObject
             }
         }
         $rawName = $this->getRawTableName($name);
-        if ($refresh || !isset($this->_tableMetadata[$rawName])) {
+        if (!isset($this->_tableMetadata[$rawName])) {
             $this->loadTableMetadataFromCache($cache, $rawName);
         }
-        if (!array_key_exists($type, $this->_tableMetadata[$rawName])) {
+        if ($refresh || !array_key_exists($type, $this->_tableMetadata[$rawName])) {
             $this->_tableMetadata[$rawName][$type] = $this->{'loadTable' . ucfirst($type)}($rawName);
             $this->saveTableMetadataToCache($cache, $rawName);
         }

tests/framework/db/SchemaTest.php

@@ -107,14 +107,23 @@ abstract class SchemaTest extends DatabaseTestCase
 
     public function testSchemaCache()
     {
+        /* @var $db Connection */
+        $db = $this->getConnection();
+
         /* @var $schema Schema */
-        $schema = $this->getConnection()->schema;
+        $schema = $db->schema;
 
         $schema->db->enableSchemaCache = true;
         $schema->db->schemaCache = new FileCache();
         $noCacheTable = $schema->getTableSchema('type', true);
         $cachedTable = $schema->getTableSchema('type', false);
         $this->assertEquals($noCacheTable, $cachedTable);
+
+        $db->createCommand()->renameTable('type', 'type_test');
+        $noCacheTable = $schema->getTableSchema('type', true);
+        $this->assertNotSame($noCacheTable, $cachedTable);
+
+        $db->createCommand()->renameTable('type_test', 'type');
     }
 
     /**