mirror_php/moodle
1
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-04-27 03:14:20 +02:00
Code Issues Projects Releases Wiki Activity

MDL-34657 test: verify CASE statements in ORDER BY clauses.

Browse Source
This commit is contained in:
Eloy Lafuente (stronk7) 2012-08-07 23:31:32 +02:00 committed by Tim Hunt
parent 5d6285c220
commit 8e4f6bb1d4
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/dml/tests/dml_test.php
View File

@ -4114,6 +4114,22 @@ class dml_testcase extends database_driver_testcase {
$records = $DB->get_records_sql($sql, null);
$this->assertEquals($result, $records);
// Test CASE expressions in the ORDER BY clause - used by MDL-34657.
$sql = "SELECT id, course, name
FROM {{$tablename}}
ORDER BY CASE WHEN (course = 5 OR name = 'xyz') THEN 0 ELSE 1 END, name, course";
// First, records matching the course = 5 OR name = 'xyz', then the rest. Each
// group ordered by name and course.
$result = array(
3 => (object)array('id' => 3, 'course' => 5, 'name' => 'def'),
1 => (object)array('id' => 1, 'course' => 3, 'name' => 'xyz'),
4 => (object)array('id' => 4, 'course' => 2, 'name' => 'abc'),
2 => (object)array('id' => 2, 'course' => 3, 'name' => 'abc'));
$records = $DB->get_records_sql($sql, null);
$this->assertEquals($result, $records);
// Verify also array keys, order is important in this test.
$this->assertEquals(array_keys($result), array_keys($records));
// test limits in queries with DISTINCT/ALL clauses and multiple whitespace. MDL-25268
$sql = "SELECT DISTINCT course
FROM {{$tablename}}