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Serguey Zefirov 3bb2496ca1 fix: MCOL-5755: incorrect handling of BLOB (and TEXT) in GROUP BY 
BLOB fields did not work as grouping keys at all, they were assigned
value NULL for any value, be it NULL or not. The fix is in the
rowaggregation.cpp in the initMapping(), a switch/case branch was added
to handle BLOB field copying there.

Also, TEXT columns did not distinguish between NULL and empty string in
the grouping algorithm, now they do. The fix is in the equals()
function, now we specifically check for isNull() equality between
values.
2025-05-23 05:12:17 +04:00
.vscode
Vscode nonroot debug launch2 (#2929)
2023-08-11 23:04:29 +03:00
benchmarks
Restructure benchmarks (#2492)
2022-08-05 16:30:18 +03:00
build
delete server version dependency hack
2025-05-23 01:33:45 +04:00
cmake
fixing exec_program warning
2025-05-23 01:33:45 +04:00
cmapi
stubs and cmake formatting
2025-05-20 18:22:59 +04:00
core_dumps
chore(ci): add more verbose for upgrade
2025-01-28 02:24:56 +04:00
datatypes
stubs and cmake formatting
2025-05-20 18:22:59 +04:00
dbcon
fix: MCOL-5755: incorrect handling of BLOB (and TEXT) in GROUP BY
2025-05-23 05:12:17 +04:00
ddlproc
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
debian
fix(syscat): MCOL-5816 23.02 -> 23.10 upgrade issues (#3346)
2024-12-23 23:01:55 +04:00
dmlproc
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
docs
fix(git): rename doc file names is to fix git clone on Windows
2023-11-15 00:20:09 +03:00
extra
feat(mcs): MCOL-5300 review/finetune log collection tools.
2025-05-02 16:12:14 +03:00
mysql-test/columnstore
fix: MCOL-5755: incorrect handling of BLOB (and TEXT) in GROUP BY
2025-05-23 05:12:17 +04:00
oam
stubs and cmake formatting
2025-05-20 18:22:59 +04:00
oamapps
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
primitives
patch boost (sic!) to fix warning
2025-05-20 21:43:43 +04:00
storage-manager
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
tests
chore(build): refactor main CMakeLists.txt (#3543)
2025-05-20 05:00:48 +04:00
tools
fix(em): MCOL-5732 Add missing system OID to RebuildEM tool (#3168)
2025-05-23 05:12:17 +04:00
utils
fix: MCOL-5755: incorrect handling of BLOB (and TEXT) in GROUP BY
2025-05-23 05:12:17 +04:00
versioning
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
writeengine
chore(build) update boost to 1.88
2025-05-20 21:43:43 +04:00
.clang-format
clang format apply
2022-01-21 16:43:49 +00:00
.clang-tidy
.clang-tidy initial
2022-07-13 15:51:50 +03:00
.drone.jsonnet
chore(ci): disable upgrade tests temporary
2025-05-23 01:52:29 +04:00
.git-blame-ignore-revs
chore(git): the file with styling commits to ignore to clean up git blame from those noisy commits.
2025-05-05 14:06:34 +01:00
.gitignore
Logging of memory (#2930)
2023-09-05 15:46:29 +03:00
.gitmodules
MCOL-3514 Add support for S3 to cpimport
2019-09-24 10:31:22 +01:00
BUILD.md
Fix indentation in BUILD.md.
2023-06-01 19:09:11 +02:00
cmake-format.py
chore(build): refactor main CMakeLists.txt (#3543)
2025-05-20 05:00:48 +04:00
CMakeLists.txt
stubs and cmake formatting
2025-05-20 18:22:59 +04:00
CodeTree
the begginning
2016-01-06 14:08:59 -06:00
columnstoreversion.h.in
MCOL-3625 Rename packages
2019-12-04 11:04:39 +00:00
COPYING
the begginning
2016-01-06 14:08:59 -06:00
DEVELOPING.md
Add DEVELOPING.md and Vagrantfile to improve developing documentation and flow. (#2955)
2023-09-20 12:09:44 +03:00
Dockerfile.patch
ci docker image steps
2020-07-24 13:52:01 +02:00
gitversionEngine.in
MCOL-2007: add gitversionEngine file to builds/packages
2018-12-18 15:23:55 -06:00
install-deps.sh
MDB Columnstore build instructions, phase 1: install dependencies
2020-12-20 22:08:16 +08:00
LICENSE.md
the begginning
2016-01-06 14:08:59 -06:00
mcsconfig.h.in
MCOL-4814 Add a cmake build option to enable LZ4 compression.
2021-07-16 17:57:11 +03:00
README.md
chore(): update version in the README
2024-06-28 10:33:43 +00:00
setup-repo.sh
chore(ci) refactor reports from tests stage, add it to upgrade
2023-11-29 20:12:59 +04:00
Vagrantfile
Add DEVELOPING.md and Vagrantfile to improve developing documentation and flow. (#2955)
2023-09-20 12:09:44 +03:00
VERSION
chore(): Bump VERSION up to 23.10.4-1
2025-05-02 09:33:15 +00:00

README.md

MariaDB ColumnStore Storage engine 23.10.X

It is built by porting InfiniDB 4.6.7 on MariaDB and adding entirely new features not found anywhere else.

Building

This repository is not meant to be built independently outside of MariaDB server.

https://github.com/MariaDB/server

See building instructions here.

Issue tracking

Issue tracking of MariaDB ColumnStore happens in JIRA, https://jira.mariadb.org/browse/MCOL

Description
Ядро системы хранения данных - код процесса единой системы обмена сообщениями и PM
databasemariadbplugin
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