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30 Commits

Author SHA1 Message Date
Nikolai Kochetov
4599fbd798 Added force_tree_shaped_pipeline flag to SelectQueryInfo. 2020-02-17 13:42:14 +03:00
alexey-milovidov
3adf6853d5
Merge pull request #7769 from amosbird/betterprewhere 
Optimize PREWHERE
 2019-12-31 09:07:02 +03:00
CurtizJ
6834fbf03d implement ORDER BY optimization for some other meta-storages 2019-12-11 16:09:46 +03:00
CurtizJ
45a9751c31 refactoring of order by optimization 2019-12-11 04:34:39 +03:00
CurtizJ
9e75892516 refactoring of order by optimization 2019-12-11 02:18:24 +03:00
Amos Bird
9af0c00053
Optimize PREWHERE 
So that it's never worse than WHERE.
 2019-11-18 22:59:03 +08:00
CurtizJ
475356f2b7 more clarifying names to avoid mistakes 2019-11-15 17:03:42 +03:00
CurtizJ
b1d981ec3a better pipeline while reading in pk_order 2019-07-27 01:18:27 +03:00
CurtizJ
f5b93eb991 fix order by optimization 2019-07-25 13:45:01 +03:00
CurtizJ
3d706ec20e support 'order by' optimiation with simple monotonic functions 2019-07-24 17:23:57 +03:00
CurtizJ
2797c16930 fix prewhere at fetching columns 2019-07-19 13:14:27 +03:00
CurtizJ
a3d25790bd basic implementation of reading in pk order and 'order by' optimization 2019-07-18 17:41:11 +03:00
Anastasiya Rodigina
6c779e63b0 Edit reverse order 2019-05-25 14:09:23 +03:00
Anastasiya Rodigina
b3d811a199 Fix some tests 2019-05-18 19:46:29 +03:00
alexey-milovidov
3e461e92c8
Update SelectQueryInfo.h 2019-05-05 23:35:05 +03:00
Anastasiya Rodigina
0c1735f1b1 ReverseBlockInputStream, optimization of group by, tests 2019-04-18 00:20:51 +03:00
Ivan
957d23267b
Minimal implementation of row-level security CLICKHOUSE-4315 (#4792) 
For detailed description see the related PR
 2019-03-29 23:31:06 +03:00
Alexey Zatelepin
5154814bf9 try to get rid of IAST::range #4058 2019-01-23 14:19:22 +03:00
Nikolai Kochetov
726ae0cb9a Split ExpressionAnalyzer and SyntaxAnalyzer. 2018-11-08 19:47:12 +03:00
Nikolai Kochetov
b1fa3fab9d Fix prewhere whith final. #2827 2018-10-04 21:18:54 +03:00
Nikolai Kochetov
6e41be3476 Avoid removing columns used in sample expression in prewhere actions. [#CLICKHOUSE-3969] 2018-09-07 19:01:21 +03:00
Nikolai Kochetov
3c6db8ebc1 Fix prewhere with aliased columns. [#CLICKHOUSE-3944] 2018-09-04 21:28:01 +03:00
Nikolai Kochetov
ba4cf6faf0 Merged with master. 2018-06-25 15:08:21 +03:00
Nikolai Kochetov
aeaec2e6d7 Renamed StringRangeHash to StringRangePointersHash and added StringRangePointersEqualTo. 2018-05-21 14:18:11 +03:00
Nikolai Kochetov
9a1c286ade Changed prepared set indexation from AST* to StringRange. [#CLICKHOUSE-3734] 2018-05-17 17:54:43 +03:00
Nikolai Kochetov
325f16f8a5 fix perf 2018-04-13 23:09:13 +03:00
Nikolai Kochetov
42f9a4d773 added PrewhereInfo [#CLICKHOUSE-3694] #2156 2018-04-11 22:10:08 +03:00
Nikolai Kochetov
c9abeed3f5 remove unused columns from prewhere actions [#CLICKHOUSE-3694] #2156 2018-04-11 22:08:53 +03:00
proller
57b9bcd354 Fix missing includes 2017-07-24 18:04:49 +03:00
Alexey Milovidov
17786c0e6d Added missing file [#CLICKHOUSE-3148]. 2017-07-15 07:06:51 +03:00