MDL-74419 search_simpledb: Search with quotes not working on Oracle

Global search with quotes is not working on DB engines without
full-text search support (i.e. Oracle).

search/engine/simpledb/classes/engine.php

@@ -346,12 +346,16 @@ class engine extends \core_search\engine {
             $DB->sql_like('description1', '?', false, false) . ' OR ' .
             $DB->sql_like('description2', '?', false, false) .
             ')';
-        $params = array(
+
+        // Remove quotes from the query.
+        $q = str_replace('"', '', $q);
+        $params = [
             '%' . $q . '%',
             '%' . $q . '%',
             '%' . $q . '%',
             '%' . $q . '%'
-        );
+        ];
+
         return array($sql, $params);
     }
 

search/tests/behat/search_query.feature

@@ -44,6 +44,21 @@ Feature: Use global search interface
     And I follow "ForumName1"
     And I should see "ForumName1" in the ".breadcrumb" "css_element"
 
+  @javascript
+  Scenario: Search from search page with quotes
+    Given I search for "zombies" using the header global search box
+    And I should see "No results"
+    When I set the field "id_q" to "\"amphibians\""
+    # You cannot press "Search" because there's a fieldset with the same name that gets in the way.
+    And I press "id_submitbutton"
+    Then I should see "ForumName1"
+    And I should see "ForumDesc1"
+    And I should see "PageName1"
+    And I should see "PageDesc1"
+    # Check the link works.
+    And I follow "ForumName1"
+    And I should see "ForumName1" in the ".breadcrumb" "css_element"
+
   @javascript
   Scenario: Search starting from site context (no within option)
     When I search for "frogs" using the header global search box