From 02e4cd7f31aff17d0f5f02e0d1ad0ef920ff93aa Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Tue, 13 Nov 2012 11:50:47 +0200
Subject: Fix PostgreSQL WHERE with boolean values

---
 .../drivers/pdo/subdrivers/pdo_pgsql_driver.php        | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php')

diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
index 45165213f..41b50f0d6 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
@@ -353,6 +353,24 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver {
 		return $this;
 	}
 
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is literal
+	 *
+	 * Determines if a string represents a literal value or a field name
+	 *
+	 * @param	string	$str
+	 * @return	bool
+	 */
+	protected function _is_literal($str)
+	{
+		$str = trim($str);
+
+		return (empty($str) OR ctype_digit($str) OR $str[0] === "'" OR in_array($str, array('TRUE', 'FALSE'), TRUE));
+	}
+
+
 }
 
 /* End of file pdo_pgsql_driver.php */
-- 
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