database/mariadb-columnstore-engine
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libcpp-fix
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2 Commits

Author SHA1 Message Date
Leonid Fedorov
6a712dc0ad MCOL-5932: fix heap buffer overflow with minimal revert of MCOL-5776 breaking change (#3445) 2025-04-15 14:46:25 +01:00
Sergey Zefirov
60dc7550f1 fix(group by, having): MCOL-5776: GROUP BY/HAVING closer to server's (#3371) 
This patch introduces an internal aggregate operator SELECT_SOME that
is automatically added to columns that are not in GROUP BY. It
"computes" some plausible value of the column (actually, last one
passed).

Along the way it fixes incorrect handling of HAVING being transferred
into WHERE, window function handling and a bit of other inconsistencies.
 2024-12-20 19:11:47 +00:00