From 5bf4dcde18ae0d584c2dc701ccc8e43124549130 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 29 Sep 2014 20:07:15 +0300 Subject: Close #3194 --- system/database/DB_query_builder.php | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'system') diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index 30882fadc..2096ffd60 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -661,6 +661,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver { // value appears not to have been set, assign the test to IS NULL $k .= ' IS NULL'; } + elseif (preg_match('/\s*(!?=|<>)\s*$/i', $k, $match, PREG_OFFSET_CAPTURE)) + { + $k = substr($k, 0, $match[0][1]).($match[1][0] === '=' ? ' IS NULL' : ' IS NOT NULL'); + } $this->{$qb_key}[] = array('condition' => $prefix.$k.$v, 'escape' => $escape); if ($this->qb_caching === TRUE) -- cgit v1.2.3-24-g4f1b