Full DECIMAL support in ColumnStore
(MCOL-641)
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| Status: | Closed |
| Project: | MariaDB ColumnStore |
| Component/s: | PrimProc |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Sub-Task | Priority: | Minor |
| Reporter: | Roman | Assignee: | Roman |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Sprint: | 2020-1, 2020-2, 2020-3, 2020-4, 2020-5, 2020-6, 2020-7, 2021-1, 2021-2, 2021-3, 2021-4, 2021-5, 2021-6, 2021-7, 2021-8, 2021-9 |
| Description |
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This only affects decimal(38) There are two known issues caused by -OX flags of gcc. There is an issue with count(distinct d1) expressions used in projections. Repetitions of the query produces different results for the same data set.
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| Comments |
| Comment by Roman [ 2020-10-19 ] |
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Plz review. |
| Comment by Roman [ 2020-10-26 ] |
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gcc >= 7 has an internal optimization that converts ::memcpy into a pair of SIMD instructions so we are safe to leverage the optimization. |
[MCOL-4313]