diff options
| -rw-r--r-- | HISTORY | 1 | ||||
| -rw-r--r-- | framework/Data/TDbCommand.php | 17 |
2 files changed, 18 insertions, 0 deletions
@@ -1,6 +1,7 @@ Version 3.1.2 To be released ============================ CHG: Changed TConditional so that the controls in its template behave like they are in its parent (Qiang) +ENH: Added TDbCommand.queryColumn() (Qiang) NEW: Added TDbLogRoute (Qiang) NEW: Added TDataRenderer and TItemDataRenderer (Qiang) diff --git a/framework/Data/TDbCommand.php b/framework/Data/TDbCommand.php index f5d7d647..b4bd9dd4 100644 --- a/framework/Data/TDbCommand.php +++ b/framework/Data/TDbCommand.php @@ -283,6 +283,23 @@ class TDbCommand extends TComponent throw new TDbException('dbcommand_query_failed',$e->getMessage(),$this->getDebugStatementText());
}
}
+
+ /**
+ * Executes the SQL statement and returns the first column of the result.
+ * This is a convenient method of {@link query} when only the first column of data is needed.
+ * Note, the column returned will contain the first element in each row of result.
+ * @return array the first column of the query result. Empty array if no result.
+ * @throws TDbException execution failed
+ * @since 3.1.2
+ */
+ public function queryColumn()
+ {
+ $rows=$this->query()->readAll();
+ $column=array();
+ foreach($rows as $row)
+ $column[]=current($row);
+ return $column;
+ }
}
?>
\ No newline at end of file |