database/mariadb-columnstore-engine
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fdb_build
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3 Commits

Author SHA1 Message Date
Andrey Piskunov
c5fa27475d Welford algorithm for STD and VAR 
Naive algorithm for calculating STD and VAR is subject to catastrophic
cancellation. A well-known Welford's algorithms is used instead.
 2022-06-03 15:29:30 +03:00
Sergey Zefirov
c58136a32d MCOL-4741 in/like/equal(=) operations differ in results 
This is due to signedness in the string range comparison in extentmap
and unsignedness everywhere else.
 2021-07-02 19:22:46 +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