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MDL-29815 dbtest - added one test_get_records_sql_complicated related test

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Eloy Lafuente (stronk7) 2011-10-25 17:37:34 +02:00
parent 94da1daf40
commit 44a9630623
1 changed files with 22 additions and 0 deletions
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22
lib/dml/simpletest/testdml.php
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@ -3756,6 +3756,28 @@ class dml_test extends UnitTestCase {
$records = $DB->get_records_sql($sql, null);
$this->assertEqual($result, $records);
// another grouping by CASE expression just to ensure it works ok for multiple WHEN
$sql = "SELECT CASE name
WHEN 'xyz' THEN 'last'
WHEN 'def' THEN 'mid'
WHEN 'abc' THEN 'first'
END AS casecol,
COUNT(1) AS countrecs,
MAX(name) AS maxname
FROM {{$tablename}}
GROUP BY CASE name
WHEN 'xyz' THEN 'last'
WHEN 'def' THEN 'mid'
WHEN 'abc' THEN 'first'
END
ORDER BY casecol DESC";
$result = array(
'mid' => (object)array('casecol' => 'mid', 'countrecs' => 1, 'maxname' => 'def'),
'last' => (object)array('casecol' => 'last', 'countrecs' => 1, 'maxname' => 'xyz'),
'first'=> (object)array('casecol' => 'first', 'countrecs' => 2, 'maxname' => 'abc'));
$records = $DB->get_records_sql($sql, null);
$this->assertEqual($result, $records);
// test limits in queries with DISTINCT/ALL clauses and multiple whitespace. MDL-25268
$sql = "SELECT DISTINCT course
FROM {{$tablename}}