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-rw-r--r--system/database/DB_query_builder.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 621480635..1c0aed693 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -672,7 +672,7 @@ 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, $match, PREG_OFFSET_CAPTURE))
+ elseif (preg_match('/\s*(!?=|<>|IS(?:\s+NOT)?)\s*$/i', $k, $match, PREG_OFFSET_CAPTURE))
{
$k = substr($k, 0, $match[0][1]).($match[1][0] === '=' ? ' IS NULL' : ' IS NOT NULL');
}
@@ -2319,7 +2319,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// Split multiple conditions
$conditions = preg_split(
- '/(?!<[\'"].*)(\s*AND\s+|\s*OR\s+)(?!.*[\'"])/i',
+ '/(\s*AND\s+|\s*OR\s+)/i',
$this->{$qb_key}[$i]['condition'],
-1,
PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY