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tidb v3.1.0-beta.2 Release Notes

Release Date: 2020-03-09 // about 4 years ago

  • 🆕 New Features

    • 👌 Support adding the AutoRandom keyword in the column attribute to enable TiDB to automatically assign random integers to the primary key, which avoids the write hot spot caused by the AUTO_INCREMENT primary key #14555
    • 👌 Support creating or deleting column store replicas through DDL statements #14537
    • ➕ Add the feature that the optimizer can independently select different storage engines #14537
    • ➕ Add the feature that the SQL hint supports different storage engines #14537
    • Support reading data from followers by using the tidb_replica_read system variable #13464