root
39 lines
910 B
PHP
39 lines
910 B
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class AddVersionToExamDrafts extends Migration
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{
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public function up()
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{
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$fields = [];
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if (! $this->db->fieldExists('version', 'exam_drafts')) {
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$fields['version'] = [
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'type' => 'INT',
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'unsigned' => true,
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'default' => 1,
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];
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}
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if (! $this->db->fieldExists('previous_draft_id', 'exam_drafts')) {
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$fields['previous_draft_id'] = [
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'type' => 'INT',
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'unsigned' => true,
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'null' => true,
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];
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}
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if ($fields !== []) {
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$this->forge->addColumn('exam_drafts', $fields);
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}
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}
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public function down()
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{
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$this->forge->dropColumn('exam_drafts', ['version', 'previous_draft_id']);
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}
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}
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