Version 4.3.1

Released on 2020-10-29.

Note

If you are upgrading a cluster, you must be running CrateDB 4.0.2 or higher before you upgrade to 4.3.1.

We recommend that you upgrade to the latest 4.2 release before moving to 4.3.1.

A rolling upgrade from 4.2.6+ to 4.3.1 is supported.

Before upgrading, you should back up your data.

Table of Contents

Fixes

  • Fixed an issue that could cause COPY or INSERT FROM QUERY operations to fail with a circuit breaking exception, even if more memory would’ve been available.

  • Fixed an issue that would prevent function resolution for arguments that contain both text types with and without length limit. For example, statements as following would fail with the unknown function exception:

    CREATE TABLE tbl (str VARCHAR(3))
    SELECT * FROM tbl WHERE str = 'x'
    
  • Improved the validation logic for CREATE TABLE and ALTER TABLE statements to prevent users from creating tables that cannot be used due to an invalid schema definition.

  • Changed the DROP TABLE logic to allow super users to drop tables with a corrupted schema.

  • Fixed an issue that could lead to a IndexShardClosedException when querying the sys.shards table.

  • Fixed an issue that led to a spike in the snapshot threadpool queue when taking snapshots.

  • Fixed an issue that caused an error when a client using the PostgreSQL wire protocol is used to retrieve array values containing a escaped double quotes. For example, the JDBC client failed with Can't extract array data from JDBC array.

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