function DatabaseSelectTestCase::testUnionAll

Test that we can UNION ALL multiple Select queries together.

File

modules/simpletest/tests/database_test.test, line 1700

Class

DatabaseSelectTestCase
Test the SELECT builder.

Code

function testUnionAll() {
    $query_1 = db_select('test', 't')->fields('t', array(
        'name',
    ))
        ->condition('age', array(
        27,
        28,
    ), 'IN');
    $query_2 = db_select('test', 't')->fields('t', array(
        'name',
    ))
        ->condition('age', 28);
    $query_1->union($query_2, 'ALL');
    $names = $query_1->execute()
        ->fetchCol();
    // Ensure we get all 3 records.
    $this->assertEqual(count($names), 3, 'UNION ALL correctly preserved duplicates.');
    $this->assertEqual($names[0], 'George', 'First query returned correct first name.');
    $this->assertEqual($names[1], 'Ringo', 'Second query returned correct second name.');
    $this->assertEqual($names[2], 'Ringo', 'Third query returned correct name.');
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.