53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class CreateTeacherSubjectsTable extends Migration
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{
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public function up()
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{
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$this->forge->addField([
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'id' => [
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'type' => 'INT',
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'constraint' => 11,
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'unsigned' => true,
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'auto_increment' => true,
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],
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'teacher_user_id' => [
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'type' => 'INT',
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'constraint' => 11,
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'unsigned' => true,
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],
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'subject_id' => [
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'type' => 'INT',
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'constraint' => 11,
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'unsigned' => true,
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],
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'created_at' => [
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'type' => 'DATETIME',
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'null' => true,
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],
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'updated_at' => [
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'type' => 'DATETIME',
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'null' => true,
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],
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]);
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$this->forge->addKey('id', true);
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$this->forge->addUniqueKey(['teacher_user_id', 'subject_id'], 'teacher_subjects_unique');
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$this->forge->addForeignKey('teacher_user_id', 'users', 'id', 'CASCADE', 'CASCADE', 'teacher_subjects_teacher_fk');
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$this->forge->addForeignKey('subject_id', 'subjects', 'id', 'CASCADE', 'CASCADE', 'teacher_subjects_subject_fk');
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$this->forge->createTable('teacher_subjects');
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}
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public function down()
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{
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$this->forge->dropForeignKey('teacher_subjects', 'teacher_subjects_teacher_fk');
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$this->forge->dropForeignKey('teacher_subjects', 'teacher_subjects_subject_fk');
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$this->forge->dropTable('teacher_subjects');
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}
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}
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