From 56784f67c35c75b706c5f9fc2950e58356e7ecec Mon Sep 17 00:00:00 2001
From: Timothy Warren <tim@timshomepage.net>
Date: Wed, 29 Feb 2012 11:58:20 -0500
Subject: Finally figured out limit statement

---
 .../drivers/interbase/interbase_driver.php         | 26 +++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'system/database/drivers/interbase')

diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index b49d1fa74..e55a476bb 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -601,7 +601,31 @@ SQL;
 	 */
 	protected function _limit($sql, $limit, $offset)
 	{
-		//There doesn't seem to be a limit clause?
+		// Keep the current sql string safe for a moment
+		$orig_sql = $sql;
+	
+		// Limit clause depends on if Interbase or Firebird
+		if (stripos($this->_version(), 'firebird') !== FALSE)
+		{
+			$sql = 'FIRST '. (int) $limit;
+			
+			if ($offset > 0)
+			{
+				$sql .= ' SKIP'. (int) $offset;
+			}
+		}
+		else
+		{
+			$sql = 'ROWS ' . (int) $limit;
+			
+			if ($offset > 0)
+			{
+				$sql = 'ROWS '. (int) $offset . ' TO ' . ($limit + $offset);
+			}
+		}
+		
+		$sql = preg_replace("`SELECT`i", "SELECT {$sql}", $orig_sql);
+		
 		return $sql;
 	}
 
-- 
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