52ebb3d8f5
Increase compatibility with mysql 1. Added two system tables files and partitions 2. Improved the return logic of mysql error code to make the error code more compatible with mysql 3. Added lock/unlock tables statement and show columns statement for compatibility with mysql dump 4. Compatible with mysqldump tool, now you can use mysql dump to dump data and table structure from doris now use mysqldump may print error message like ``` $ mysqldump -h127.0.0.1 -P9130 -uroot test_query_qa > a mysqldump: Error: 'errCode = 2, detailMessage = select list expression not produced by aggregation output (missing from GROUP BY clause?): `EXTRA`' when trying to dump tablespaces ``` This error message not effect the export file, you can add `--no-tablespaces` to avoid this error
Apache Doris (incubating)
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.
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Doris provides high concurrent low latency point query performance, as well as high throughput queries of ad-hoc analysis.
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Doris provides batch data loading and real-time mini-batch data loading.
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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/
License
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 thethirdparty/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 for details.
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.
Contact Us
Contact us through the following mailing list.
| Name | Scope | |||
|---|---|---|---|---|
| dev@doris.apache.org | Development-related discussions | Subscribe | Unsubscribe | Archives |
Links
- Doris official site - http://doris.incubator.apache.org
- User Manual (GitHub Wiki) - https://github.com/apache/incubator-doris/wiki
- Developer Mailing list - dev@doris.apache.org. Mail to dev-subscribe@doris.apache.org, follow the reply to subscribe the mail list.
- Gitter channel - https://gitter.im/apache-doris/Lobby - Online chat room with Doris developers.
- Overview - https://github.com/apache/incubator-doris/wiki/Doris-Overview
- Compile and install - https://github.com/apache/incubator-doris/wiki/Doris-Install
- Getting start - https://github.com/apache/incubator-doris/wiki/Getting-start
- Deploy and Upgrade - https://github.com/apache/incubator-doris/wiki/Doris-Deploy-%26-Upgrade
- User Manual - https://github.com/apache/incubator-doris/wiki/Doris-Create%2C-Load-and-Delete
- FAQs - https://github.com/apache/incubator-doris/wiki/Doris-FAQ