diff options
| author | wei <> | 2007-05-03 00:48:04 +0000 |
|---|---|---|
| committer | wei <> | 2007-05-03 00:48:04 +0000 |
| commit | 1ae09931b2572d9c3067c99f841a60cb3330b3f3 (patch) | |
| tree | 0b263b594bfa9c2bf5b37d2d565b4583f796bf2c /framework/Data/Common/Sqlite/TSqliteCommandBuilder.php | |
| parent | 24bdc94145c11744f624149a0dbdd10e3d5ca4cd (diff) | |
Update active relations docs
Diffstat (limited to 'framework/Data/Common/Sqlite/TSqliteCommandBuilder.php')
| -rw-r--r-- | framework/Data/Common/Sqlite/TSqliteCommandBuilder.php | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php b/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php new file mode 100644 index 00000000..9f1253c9 --- /dev/null +++ b/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php @@ -0,0 +1,48 @@ +<?php
+/**
+ * TSqliteCommandBuilder class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common
+ */
+
+Prado::using('System.Data.Common.TDbCommandBuilder');
+
+/**
+ * TSqliteCommandBuilder provides specifics methods to create limit/offset query commands
+ * for Sqlite database.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common
+ * @since 3.1
+ */
+class TSqliteCommandBuilder extends TDbCommandBuilder
+{
+ /**
+ * Alters the sql to apply $limit and $offset.
+ * @param string SQL query string.
+ * @param integer maximum number of rows, -1 to ignore limit.
+ * @param integer row offset, -1 to ignore offset.
+ * @return string SQL with limit and offset.
+ */
+ public function applyLimitOffset($sql, $limit=-1, $offset=-1)
+ {
+ $limit = $limit!==null ? intval($limit) : -1;
+ $offset = $offset!==null ? intval($offset) : -1;
+ if($limit > 0 || $offset > 0)
+ {
+ $limitStr = ' LIMIT '.$limit;
+ $offsetStr = $offset >= 0 ? ' OFFSET '.$offset : '';
+ return $sql.$limitStr.$offsetStr;
+ }
+ else
+ return $sql;
+ }
+}
+
+?>
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