#612392 by chx and Crell: Allow lowercase comparison operators in DBTNG.

includes/database/query.inc

@@ -1321,12 +1321,26 @@ class DatabaseCondition implements QueryConditionInterface, Countable {
       'BETWEEN' => array('delimiter' => ' AND '),
       'IN' => array('delimiter' => ', ', 'prefix' => ' (', 'postfix' => ')'),
       'NOT IN' => array('delimiter' => ', ', 'prefix' => ' (', 'postfix' => ')'),
-      'LIKE' => array('operator' => 'LIKE'),
       'IS NULL' => array('use_value' => FALSE),
       'IS NOT NULL' => array('use_value' => FALSE),
+      // These ones are here for performance reasons.
+      '=' => array(),
+      '<' => array(),
+      '>' => array(),
+      '>=' => array(),
+      '<=' => array(),
+      'LIKE' => array(),
     );
-
+    if (isset($specials[$operator])) {
+      $return = $specials[$operator];
+    }
+    else {
+      // We need to upper case because PHP index matches are case sensitive but
+      // do not need the more expensive drupal_strtoupper because SQL statements are ASCII.
+      $operator = strtoupper($operator);
       $return = isset($specials[$operator]) ? $specials[$operator] : array();
+    }
+
     $return += array('operator' => $operator);
 
     return $return;

modules/simpletest/tests/database_test.test

@@ -790,9 +790,11 @@ class DatabaseUpdateComplexTestCase extends DatabaseTestCase {
    * Test WHERE NOT IN clauses.
    */
   function testNotInConditionUpdate() {
+    // The o is lowercase in the 'NoT IN' operator, to make sure the operators
+    // work in mixed case.
     $num_updated = db_update('test')
       ->fields(array('job' => 'Musician'))
-      ->condition('name', array('John', 'Paul', 'George'), 'NOT IN')
+      ->condition('name', array('John', 'Paul', 'George'), 'NoT IN')
       ->execute();
     $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));