tp6/database/migrations/20210526034525_jj_auth_group_access.php

<?php

use think\migration\Migrator;
use think\migration\db\Column;

class JjAuthGroupAccess extends Migrator
{
    /**
     * Change Method.
     *
     * Write your reversible migrations using this method.
     *
     * More information on writing migrations is available here:
     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
     *
     * The following commands can be used in this method and Phinx will
     * automatically reverse them when rolling back:
     *
     *    createTable
     *    renameTable
     *    addColumn
     *    renameColumn
     *    addIndex
     *    addForeignKey
     *
     * Remember to call "create()" or "update()" and NOT "save()" when working
     * with the Table class.
     */
    public function change()
    {
        $table  =  $this->table('jj_auth_group_access',array('engine'=>'MyISAM','id'=>false,'comment' => '用户组明细表'));
        $table->addColumn('uid', 'integer',array('limit'  =>  8,'comment'=>'用户id'))
            ->addColumn('group_id', 'integer',array('limit'  =>  8,'comment'=>'用户组id'))
            ->addIndex(array('uid','group_id'), array('unique'  =>  true))
            ->addIndex(array('uid'))
            ->addIndex(array('group_id'))
            ->create();
    }
}