Release Notes for MariaDB Enterprise ColumnStore 5.5.1
This page is part of MariaDB's MariaDB Documentation.
The parent of this page is: Release Notes for MariaDB Enterprise ColumnStore 5.5
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MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the third release in the Enterprise ColumnStore 5 series.
This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.5.8-5.
This release is of General Availability (GA) maturity.
MariaDB Enterprise ColumnStore 5.5.1 was released on 2020-12-14.
ColumnStore VARCHAR was sized in bytes, which required customers with multi-byte data to account for the byte variance within their capacity calculations and column definitions. VARCHAR is now sized by characters (which may be multi-byte) in alignment to the behavior of InnoDB and as required by SQL standard (ISO/IEC 9075:2016 feature E021 - Character string types). (MCOL-2000)
Non-equality comparison operators previously produced storage engine-specific results with
NOPADcollations. This behavior now aligns to the behavior of InnoDB. (MCOL-4417)
ColumnStore now respects case-insensitive comparison during
JOINwhen called for by the specified collation. (MCOL-495, MCOL-4064)
Enhanced performance of multi-node ColumnStore startup. (MCOL-4337)
Can result in a hang or crash
Can result in unexpected behavior
Incorrect error message shown when using unsupported JSON functions. (MCOL-4108)
Equality does not respect the
NOPADcollation attribute. (MCOL-4388)
ROUND() function returns incorrect answer for DATE data type. (MCOL-4255, MCOL-4281)
calgetshowpartitionsfails if MariaDB Enterprise Server started before MariaDB Enterprise ColumnStore. (MCOL-4397)
Related to install and upgrade
mcs-savebrmhave hard coded paths to
In-place upgrade from 1.5 to 5.5 failed due to DEB package conflicts. (MCOL-4166)
A configuration file
x-columnstore.cnfpreviously existed during Beta and Gamma releases of ColumnStore. This file has been removed as it is no longer required. (MCOL-4155)
In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 5.5.1 is provided for:
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 15
ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 5
ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 5
HTAP Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 5
Single-Node Enterprise ColumnStore 5 with MariaDB Enterprise Server 10.5 and Object Storage
Single-Node Enterprise ColumnStore 5 with MariaDB Enterprise Server 10.5