database/mariadb-columnstore-engine
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4 Commits

Author SHA1 Message Date
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
d3bc6bf654 Update mcs78_aliases.test 2022-07-31 04:27:13 +03:00
mariadb-KirillPerov
22638de153 Update mcs78_aliases.test 2022-07-31 03:12:29 +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