root
43 lines
1.3 KiB
PHP
43 lines
1.3 KiB
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class AllowCompetitionWinnerRankTies extends Migration
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{
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public function up()
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{
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$db = \Config\Database::connect();
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if (!$db->tableExists('competition_winners')) {
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return;
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}
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if ($db->indexExists('competition_winners', 'competition_id_class_section_id_rank')) {
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$db->query('DROP INDEX competition_id_class_section_id_rank ON competition_winners');
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}
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if (!$db->indexExists('competition_winners', 'competition_id_class_section_id_rank')) {
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$db->query(
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'CREATE INDEX competition_id_class_section_id_rank ON competition_winners (competition_id, class_section_id, rank)'
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);
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}
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}
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public function down()
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{
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$db = \Config\Database::connect();
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if (!$db->tableExists('competition_winners')) {
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return;
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}
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if ($db->indexExists('competition_winners', 'competition_id_class_section_id_rank')) {
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$db->query('DROP INDEX competition_id_class_section_id_rank ON competition_winners');
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}
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$db->query(
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'ALTER TABLE competition_winners ADD UNIQUE KEY competition_id_class_section_id_rank (competition_id, class_section_id, rank)'
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);
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}
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}
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