Mingyu Chen 1e70f992e7 [improvement][fix](insert)(replay) support SHOW LAST INSERT stmt and fix json replay bug (#8355)
1. support SHOW LAST INSERT
    In the current implementation, the insert operation returns a json string to describe the result information
    of the insert. But this information is in the session track field of the mysql protocol,
    and it is difficult to obtain programmatically.

    Therefore, I provide a new syntax `show last insert` to explicitly obtain the result of the latest insert operation,
    and return a normal query result set to facilitate the user to obtain the result information of the insert.

2. the `ReturnRows` field in fe.audit.log of insert operation will be set to the loaded row num of the insert.

3.  Fix a bug described in #8354
2022-03-08 18:53:11 +08:00
2022-02-08 09:46:04 +08:00

Apache Doris (incubating)

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Doris is an MPP-based interactive SQL data warehousing for reporting and analysis. Its original name was Palo, developed in Baidu. After donated to Apache Software Foundation, it was renamed Doris.

  • Doris provides high concurrent low latency point query performance, as well as high throughput queries of ad-hoc analysis.

  • Doris provides batch data loading and real-time mini-batch data loading.

  • Doris provides high availability, reliability, fault tolerance, and scalability.

The main advantages of Doris are the simplicity (of developing, deploying and using) and meeting many data serving requirements in a single system. For details, refer to Overview.

Official website: https://doris.apache.org/

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License

Apache License, Version 2.0

Note

Some licenses of the third-party dependencies are not compatible with Apache 2.0 License. So you need to disable some Doris features to be complied with Apache 2.0 License. For details, refer to the thirdparty/LICENSE.txt

Technology

Doris mainly integrates the technology of Google Mesa and Apache Impala, and it is based on a column-oriented storage engine and can communicate by MySQL client.

Compile and install

See Compilation

Getting start

See Basic Usage

Report issues or submit pull request

If you find any bugs, feel free to file a GitHub issue or fix it by submitting a pull request.

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