checkColumnType(t, "name", true)
			if !DB.Migrator().HasIndex(table, myIndex.Name()) {
				t.Errorf("%v: should has index %s but not", utils.FileWithLineNum(), myIndex.Name())
			}
		}
		checkMulIndex = func(t *testing.T) {
			checkColumnType(t, "name", false)
			checkColumnType(t, "nick_name", false)
			if !DB.Migrator().HasIndex(table, mulIndex.Name()) {

  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "minio_events",
        "_type" : "event",
        "_id" : "images/myphoto.jpg",
        "_score" : 1.0,
        "_source" : {
          "Records" : [
            {
              "eventVersion" : "2.0",