database/mariadb-columnstore-engine
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4 Commits

Author SHA1 Message Date
mariadb-AlexeyVorovich
64f1d541d0
MCOL-5519: new defaults in columnstore.cnf (#2894) 
feat(charset)!: utf8 is a new charset default and utf8_general_ci is a new collation default in the engine configuration file shipped
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Co-authored-by: Leonid Fedorov <leonid.fedorov@mariadb.com>
Co-authored-by: mariadb-DanielLee <daniel.lee@mariadb.com>
 2023-08-15 18:04:32 +03:00
Sergey Zefirov
b53c231ca6 MCOL-271 empty strings should not be NULLs (#2794) 
This patch improves handling of NULLs in textual fields in ColumnStore.
Previously empty strings were considered NULLs and it could be a problem
if data scheme allows for empty strings. It was also one of major
reasons of behavior difference between ColumnStore and other engines in
MariaDB family.

Also, this patch fixes some other bugs and incorrect behavior, for
example, incorrect comparison for "column <= ''" which evaluates to
constant True for all purposes before this patch.
 2023-03-30 21:18:29 +03:00
mariadb-KirillPerov
5437ab0941
Update mcs171_null_functions.result 2022-07-31 01:13:10 +03:00
Alexander Barkov
75e3bbc31e MCOL-4674 Fix ColumnStore to run MTR tests in a build directory 2021-04-13 11:25:25 +04:00