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/query.inc | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'includes/database/query.inc')

diff --git a/includes/database/query.inc b/includes/database/query.inc
index 8c7281820..8cdaaf5e1 100644
--- a/includes/database/query.inc
+++ b/includes/database/query.inc
@@ -829,6 +829,38 @@ class DeleteQuery extends Query implements QueryConditionInterface {
   }
 }
 
+
+/**
+ * General class for an abstracted TRUNCATE operation.
+ */
+class TruncateQuery extends Query {
+
+  /**
+   * The table from which to delete.
+   *
+   * @var string
+   */
+  protected $table;
+
+  public function __construct(DatabaseConnection $connection, $table, array $options = array()) {
+    $options['return'] = Database::RETURN_AFFECTED;
+    parent::__construct($connection, $options);
+    $this->table = $table;
+  }
+
+  public function compile(DatabaseConnection $connection) {
+    return $this->condition->compile($connection);
+  }
+
+  public function execute() {
+    return $this->connection->query((string)$this, array(), $this->queryOptions);
+  }
+
+  public function __toString() {
+    return 'TRUNCATE {' . $this->connection->escapeTable($this->table) . '} ';
+  }
+}
+
 /**
  * General class for an abstracted UPDATE operation.
  */
-- 
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