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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-06-10 17:41:44 +03:00

15 Commits

Author SHA1 Message Date
mariadb-AndreyPiskunov
680633a350 Fix another 0 count error in dropValue 2022-09-30 18:26:37 +03:00
mariadb-AndreyPiskunov
e7cab8445c Fix the 0 count problem 2022-09-30 18:26:37 +03:00
mariadb-AndreyPiskunov
14810d87ba Put Welford's online algorithm everywhere 2022-09-30 18:26:37 +03:00
Leonid Fedorov
04752ec546 clang format apply 2022-01-21 16:43:49 +00:00
Alexander Barkov
ca7a310309 MCOL-4629 Add a helper method mcsv1_UDAF::toDouble() 2021-03-23 13:23:48 +04:00
David Hall
af20387985 MCOL-4516 check for var_pop < 0
In some cases, because of rounding error, var_pop will evaluate to some value just less than 0. We check for this and force to round to 0.
2021-03-09 13:36:10 -06:00
Patrick LeBlanc
a09a9d5d0f Mass substitution 'Corporaton' -> 'Corporation' 2019-08-07 14:43:25 -05:00
David Mott
4b9d046c6e Fully resolve potentially ambiguous symbols by removing using namespace statements from headers which have a cascading effect. This causes potential behavior changes when switching to c++11 since symbols can be exported from std and boost while both have been imported into the global namespace. 2019-04-29 01:21:15 -05:00
David Hall
16a6a0a27c MCOL-1983 Use long double for internal calculations of regr_*** functions. 2019-01-21 14:39:51 -06:00
David Hall
eb75d3cd7e MCOL-1983 Reject non-numeric arguments for regr_*** functions that require numeric 2019-01-02 10:31:53 -06:00
David Hall
0cef3bf31c MCOL-1983 Have regr_intercept, regr_slope and regr_r2 return NULL for 1 or 0 rows in set 2018-11-29 13:31:12 -06:00
David Hall
176ef2f2c1 MCOL-1793 Add udafContext to the copy constructor of WindowFunctionColumn. 2018-11-23 12:42:29 -06:00
David Hall
9c1bc910a5 MCOL-1793, fix REGR_SLOPE calculations, change scale to DECIMAL_NOT_SPECIFIED (variable length) for most REGR_*** functions. 2018-11-20 16:29:17 -06:00
David Hall
e1d8211f27 MCOL-1759 Add corr(), covar_pop(), covar_samp(), regr_sxx(), regr_sxy(), regr_syy() functions as UDAF 2018-10-09 17:06:01 -05:00
David Hall
dc9ba90f96 MCOL-521 add regr_intecept and regr_r2 2018-09-28 13:51:43 -05:00