Alexey Milovidov
2570907f44
Removed useless parameter
2019-08-12 00:45:18 +03:00
Alexey Milovidov
011e50cae6
Removed useless function arguments
2019-08-11 02:27:25 +03:00
Alexey Milovidov
efa51a6cd9
Batch aggregation (experimental)
2019-08-11 01:36:55 +03:00
alexey-milovidov
349ad17436
Merge pull request #6298 from yandex/aku/uint816-nocache
...
Disable consecutive key optimization for UInt8/16.
2019-08-03 06:23:03 +03:00
Alexander Kuzmenkov
d808fafa8f
Disable consecutive key optimization for UInt8/16.
...
These types use a FixedHashMap for aggregation, which makes lookup
almost free, so we don't have to cache the last lookup result.
This is a part of StringHashMap PR #5417 by Amos Bird.
2019-08-02 18:37:32 +03:00
Alexander Kuzmenkov
011150fa8a
Make PairNoInit a simple struct.
2019-08-01 19:54:33 +03:00
Max Akhmedov
5e9ea2a905
Remove spaces from empty line
2019-07-28 20:46:48 +03:00
Max Akhmedov
f632a0b241
Fix build under gcc-8.2
2019-07-28 18:12:07 +03:00
Nikolai Kochetov
209793c981
Merged with master.
2019-07-08 16:00:54 +03:00
chertus
8932dc9c23
minpr perf improvement
2019-07-02 15:31:20 +03:00
chertus
0c634129da
add IColumn.isNullable()
2019-07-01 14:44:19 +03:00
chertus
db7c8748e9
remove IColumn.isColumnNullable()
2019-06-27 21:50:20 +03:00
chertus
65c0d23efa
better casts to ColumnNullable
2019-06-26 20:20:33 +03:00
Nikolai Kochetov
f9b29bfdd2
Merged with master.
2019-06-25 20:00:54 +03:00
Ivan Lezhankin
0821d62516
Merge ITableDeclaration into IStorage.
...
Also a couple of massive include-refactorings with better forwarding
2019-05-17 17:34:25 +03:00
Nikolai Kochetov
808d0f3b08
Merged with master.
2019-05-14 13:31:19 +03:00
Alexey Milovidov
58d7d1e451
Resolved some of PVS-Studio warnings
2019-04-22 19:07:09 +03:00
Nikolai Kochetov
5e39ec610c
Merged with master
2019-04-03 14:21:38 +03:00
Nikolai Kochetov
6976b65b2d
Added MergingAggregatedTransform.
2019-04-03 13:13:25 +03:00
Amos Bird
26ab5dd7a7
A Proper lookup table that uses HashTable's API
...
This is the first step of allowing heterogeneous cells in hash tables.
performance test results are
```
1. HashMap<UInt16, UInt8, TrivialHash, HashTableFixedGrower<16>>;
2. NewLookupMap<UInt16, UInt8>
ResolutionWidth 30000 1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................223550276.46
ResolutionWidth 30000 2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................248772721.24
Best: 2 - 24877272124
ResolutionWidth 100000 1 ..........................................................................................................................................................................................................................................................238498413.99
ResolutionWidth 100000 2 ..........................................................................................................................................................................................................................................................261808889.98
Best: 2 - 26180888998
ResolutionWidth 300000 1 ...................................................................................239307348.81
ResolutionWidth 300000 2 ...................................................................................257592761.30
Best: 2 - 25759276130
ResolutionWidth 1000000 1 .........................240144759.26
ResolutionWidth 1000000 2 .........................257093531.91
Best: 2 - 25709353191
ResolutionWidth 5000000 1 .....241573260.35
ResolutionWidth 5000000 2 .....259314162.79
Best: 2 - 25931416279
ResolutionDepth 30000 1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................217108119.84
ResolutionDepth 30000 2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................249459504.41
Best: 2 - 24945950441
ResolutionDepth 100000 1 ..........................................................................................................................................................................................................................................................229065162.17
ResolutionDepth 100000 2 ..........................................................................................................................................................................................................................................................253769105.64
Best: 2 - 25376910564
ResolutionDepth 300000 1 ...................................................................................233079225.18
ResolutionDepth 300000 2 ...................................................................................256316273.78
Best: 2 - 25631627378
ResolutionDepth 1000000 1 .........................234184633.51
ResolutionDepth 1000000 2 .........................261100491.57
Best: 2 - 26110049157
ResolutionDepth 5000000 1 .....233118795.66
ResolutionDepth 5000000 2 .....252436160.41
Best: 2 - 25243616041
```
2019-03-01 16:47:13 +08:00
Nikolai Kochetov
cf40a1538b
Fix size() and empty() for AggregationDataWithNullKey. #4223
2019-02-13 19:54:55 +03:00
Nikolai Kochetov
2c2932e185
Merged with master
2019-01-29 15:25:19 +03:00
Nikolai Kochetov
6fce028b56
Refactor ColumnsHashing.
2019-01-21 13:39:53 +03:00
Nikolai Kochetov
d207498573
Added ColumnsHashing
2019-01-21 13:39:24 +03:00
Alexey Milovidov
abcd5a2a49
Attempt to implemnt global thread pool #4018
2019-01-11 22:12:36 +03:00
Alexey Milovidov
06a8c3f02d
Added some warnings from clang's -Weverything
2019-01-05 06:33:22 +03:00
Alexey Milovidov
1d4701b0bc
Added some warnings from clang's -Weverything
2019-01-04 15:10:00 +03:00
Alexey Milovidov
e33e5150b7
Miscellaneous [#CLICKHOUSE-2]
2019-01-02 09:44:36 +03:00
Alexey Milovidov
b109ec8c77
Fixed UB #3920
2018-12-27 23:24:37 +03:00
Alexey Milovidov
220e568894
Fixed UB #3920
2018-12-27 23:10:37 +03:00
Alexey Milovidov
29ffa46838
Less indirection #3920
2018-12-27 23:02:51 +03:00
Alexey Milovidov
88bdbc4dc7
Some additions to Amos Bird's optimization #3920
2018-12-27 22:58:30 +03:00
Alexey Milovidov
b7f085c525
Fixed UB #3926
2018-12-26 05:47:16 +03:00
Alexey Milovidov
37bbc0ecd5
Fixed UB #3926
2018-12-26 04:08:14 +03:00
Alexey Milovidov
e8dc222b61
Fixed UB #3926
2018-12-26 03:28:13 +03:00
Amos Bird
8736a3908f
left pad
2018-12-24 23:51:06 +08:00
alexey-milovidov
6d27777b19
Merge branch 'master' into ubsan-fixes-3
2018-12-14 20:52:54 +03:00
alexey-milovidov
92ab759ef6
Update Aggregator.h
2018-12-07 23:31:59 +03:00
Nikolai Kochetov
b87d81512f
Fix merging aggregate data for NULL key.
2018-12-04 13:31:15 +03:00
Nikolai Kochetov
730796dc38
Fix merging aggregate data for NULL key.
2018-12-04 13:29:27 +03:00
Nikolai Kochetov
de524a0158
Fix merging aggregate data for NULL key.
2018-12-04 13:27:44 +03:00
Nikolai Kochetov
98499b1140
LowCardinality optimization for single nullable column.
2018-12-03 21:00:20 +03:00
Alexey Milovidov
141e9799e4
Fixed error with "extractURLParameter" function (read after buffer); improved performance; added support for zero bytes in URLs; renamed Chars_t type [#CLICKHOUSE-2]
2018-11-25 03:08:50 +03:00
Amos Bird
3cf2177268
Flexible fields assignment
...
Field f;
before:
f = Int64(-42);
after:
f = -42;
2018-10-24 08:47:33 +08:00
chertus
465cb6d267
fix for Decimal128 group by [issue-3378]
2018-10-15 22:14:08 +03:00
Nikolai Kochetov
97add69825
Rename WithDictionary to LowCardinality.
2018-09-28 13:44:59 +03:00
Nikolai Kochetov
3e742a6b55
Review fixes.
2018-09-21 12:49:43 +03:00
alexey-milovidov
0d2c6dff24
Update Aggregator.h
2018-09-20 20:59:47 +03:00
Nikolai Kochetov
e2e31751e9
Support low cardinality columns in aggregation method with fixed keys. [#CLICKHOUSE-3903]
2018-09-14 20:14:31 +03:00
Nikolai Kochetov
3dc5cd3a3a
Merged with master.
2018-09-14 12:14:37 +03:00
