CrateDB 4.3.1 released, distributed SQL database

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CrateDB 4.3.1 is pre-released. Crate is an open source large-scale and scalable data storage system without any system management requirements. Provide powerful search function. Used to store various table data, unstructured data and binary objects. And can be retrieved through SQL. Easy to install and use, support high availability and real-time massively parallel access and processing. Crate is particularly suitable for use in a Docker environment.

note

If you want to upgrade your cluster, you must run CrateDB 4.0.2 or later before you can upgrade to 4.3.1.

The official recommendation is to upgrade to the latest 4.2 version before upgrading to 4.3.1.

Support rolling upgrade from 4.2.6+ to 4.3.1.

Before upgrading, it is recommended to back up the data .

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• Fixed an issue that may cause COPYor INSERT FROM QUERYoperation failure and abnormal circuit break even if there is excess memory .

• Fixed an issue that would prevent function parsing of parameters containing text types with or without length restrictions. For example, the following statement will fail due to an unknown function exception:

  CREATE TABLE tbl (str VARCHAR(3))
  SELECT * FROM tbl WHERE str = 'x'
  

• Improved the validation logic of the CREATE TABLEAND ALTER TABLEstatement to prevent users from creating tables that cannot be used due to invalid schema definitions.

• Changed DROP TABLElogic to allow superusers to delete schema-damaged tables.

• Fixed a problem sys.shardsthat may be caused when querying the table IndexShardClosedException.

• Fixed an issue that caused the snapshot thread pool queue to peak when taking a snapshot.

• Fixed an issue that caused an error when a client using the PostgreSQL wire protocol was used to retrieve an array value containing escaped double quotes. For example, Can't extract array data from JDBC array an error message appeared in the JDBC client .

Believe the information, please check: https://crate.io/docs/crate/reference/en/4.3/appendices/release-notes/4.3.1.html