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4.5.1.rst
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4.5.1.rst
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.. _version_4.5.1:
=============
Version 4.5.1
=============
Released on 2021-05-03.
.. NOTE::
If upgrading a cluster, you must be running CrateDB 4.0.2 or higher before
you upgrade to 4.5.1.
We recommend that you upgrade to the latest 4.4 release before moving to
4.5.1.
A rolling upgrade from 4.4.0+ to 4.5.1 is supported.
Before upgrading, you should `back up your data`_.
.. _back up your data: https://crate.io/docs/crate/reference/en/latest/admin/snapshots.html
.. rubric:: Table of Contents
.. contents::
:local:
See the :ref:`version_4.5.0` release notes for a full list of changes in the
4.5 series.
Fixes
=====
- Fixed an issue that could cause queries on virtual tables to return an
incorrect result if a table function is used in the select-list of a
sub-query, but not used in the outputs of the parent relation. An example::
SELECT name FROM (SELECT name, unnest(tags) FROM metrics) m;
- Updated the bundled JDK to 16.0.1+9
- Fixed an issue that would cause columns of type ``varchar`` with a length
limited to be incorrectly casted to another type if used as argument in a
function that has several type overloads.
- Fixed an issue that caused ``ALTER TABLE ADD COLUMN`` statements to remove
constraints like analyzers or ``NOT NULL`` from existing columns in the same
table.
- Allow executing ``CREATE TABLE .. AS`` as a regular user with ``DDL``
permission on the target schema, and ``DQL`` permission on the source
relations.
- Changed the ``RowDescription`` message that is sent to PostgreSQL clients to
avoid that the JDBC client triggers queries against ``pg_catalog`` schema
tables each time information from the ``MetaData`` of a ``ResultSet`` is
accessed.
- Fixed ``crate-node`` auxiliary program to use the bundled Java runtime on
Linux.