From c5926f4961506ad886e6110bc506bf72e4588bc8 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sun, 3 May 2009 08:56:19 +0000
Subject: - Patch #396578 by Damien Tournoud: added db_truncate_table() to the
 database layer.

---
 includes/database/sqlite/query.inc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'includes/database/sqlite')

diff --git a/includes/database/sqlite/query.inc b/includes/database/sqlite/query.inc
index ab6e2da50..98fa80754 100644
--- a/includes/database/sqlite/query.inc
+++ b/includes/database/sqlite/query.inc
@@ -135,6 +135,18 @@ class DeleteQuery_sqlite extends DeleteQuery {
   }
 }
 
+/**
+ * SQLite specific implementation of TruncateQuery.
+ *
+ * SQLite doesn't support TRUNCATE, but a DELETE query with no condition has
+ * exactly the effect (it is implemented by DROPing the table).
+ */
+class TruncateQuery_sqlite extends TruncateQuery {
+  public function __toString() {
+    return 'DELETE FROM {' . $this->connection->escapeTable($this->table) . '} ';
+  }
+}
+
 /**
  * @} End of "ingroup database".
  */
-- 
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