forge->addField([ 'stock_id' => ['type' => 'INT', 'unsigned' => true, 'auto_increment' => true], 'product_id' => ['type' => 'INT', 'unsigned' => true], 'stock_qty' => ['type' => 'INT', 'default' => 0], 'created_at' => ['type' => 'DATETIME', 'null' => true], 'updated_at' => ['type' => 'DATETIME', 'null' => true], 'deleted_at' => ['type' => 'DATETIME', 'null' => true], ]); $this->forge->addKey('stock_id', true); $this->forge->addForeignKey('product_id', 'product', 'product_id', 'CASCADE', 'CASCADE'); $this->forge->createTable('stock'); } public function down() { $this->forge->dropTable('stock'); } }