Warum findet „sqlmock' keine Übereinstimmung mit einer Abfrage, obwohl die Abfragen identisch sind und die Protokolle zeigen, dass sie gleich sind?

(database.go:263)
[2020-01-08 10:29:40]  查询：无法匹配实际 SQL：“SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = ?)) ORDER BY "storage_pools"."id" ASC LIMIT 1” with expected regexp "SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = ?)) ORDER BY "storage_pools"."id" ASC LIMIT 1"

  for _, c := range cases {
    db, mock, err := sqlmock.New()
    if err != nil {
      t.Fatal(err)
    }
    DB, err := gorm.Open("sqlite3", db)
    if err != nil {
      t.Fatal(err)
    }
    DB.LogMode(true)

    mock.ExpectQuery(`SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = ?)) ORDER BY "storage_pools"."id" ASC LIMIT 1`)

    err = UpdateStoragePool(DB, &c.givenPool)
    if !reflect.DeepEqual(c.wantedError, err) {
      t.Fatalf("expecting errror %q, got %q", c.wantedError, err)
    }

    // 如果事务期间没有发生任何错误，则检查是否满足所有预期
    if c.wantedError == nil {
      if err := mock.ExpectationsWereMet(); err != nil {
        t.Fatalf(err.Error())
      }
    }
  }

mock.ExpectQuery(`SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = '1')) ORDER BY "storage_pools"."id" ASC LIMIT 1`).WithArgs(1)  
mock.ExpectExec(`SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = ?)) ORDER BY "storage_pools"."id" ASC LIMIT 1`)  
mock.ExpectExec(`SELECT * FROM "storage_pools" WHERE "storage_pools"."deleted_at" IS NULL AND ((poolid = '1')) ORDER BY "storage_pools"."id" ASC LIMIT 1`).WithArgs(1)