diff options
Diffstat (limited to 'framework/Data/Common/TDbMetaData.php')
| -rw-r--r-- | framework/Data/Common/TDbMetaData.php | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/framework/Data/Common/TDbMetaData.php b/framework/Data/Common/TDbMetaData.php index d0963f44..e7c53618 100644 --- a/framework/Data/Common/TDbMetaData.php +++ b/framework/Data/Common/TDbMetaData.php @@ -80,11 +80,16 @@ abstract class TDbMetaData extends TComponent * @param string table or view name
* @return TDbTableInfo table information.
*/
- public function getTableInfo($tableName)
+ public function getTableInfo($tableName=null)
{
- if(!isset($this->_tableInfoCache[$tableName]))
- $this->_tableInfoCache[$tableName] = $this->createTableInfo($tableName);
- return $this->_tableInfoCache[$tableName];
+ $key = $tableName===null?$this->getDbConnection()->getConnectionString():$tableName;
+ if(!isset($this->_tableInfoCache[$key]))
+ {
+ $class = $this->getTableInfoClass();
+ $tableInfo = $tableName===null ? new $class : $this->createTableInfo($tableName);
+ $this->_tableInfoCache[$key] = $tableInfo;
+ }
+ return $this->_tableInfoCache[$key];
}
/**
@@ -92,7 +97,7 @@ abstract class TDbMetaData extends TComponent * @param string table name.
* @return TDbCommandBuilder command builder instance for the given table.
*/
- public function createCommandBuilder($tableName)
+ public function createCommandBuilder($tableName=null)
{
return $this->getTableInfo($tableName)->createCommandBuilder($this->getDbConnection());
}
@@ -102,6 +107,14 @@ abstract class TDbMetaData extends TComponent * @return TDbTableInfo driver dependent create builder.
*/
abstract protected function createTableInfo($tableName);
+
+ /**
+ * @return string TDbTableInfo class name.
+ */
+ protected function getTableInfoClass()
+ {
+ return 'TDbTableInfo';
+ }
}
?>
\ No newline at end of file |