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88bdbc4dc7
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63 Commits

Author SHA1 Message Date
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
Nikolai Kochetov
12ec9caaf5 Added comments. 2018-09-14 11:04:19 +03:00
Nikolai Kochetov
4674beb900 Shared cache for low cradinality single aggregation column. [#CLICKHOUSE-3903] 2018-09-14 11:04:18 +03:00
Nikolai Kochetov
df71c47840 Added dictionary hash for low cardinality column. [#CLICKHOUSE-3903] 2018-09-14 11:04:18 +03:00
Nikolai Kochetov
94bfe50f52 Cache saved hash for low cardinality aggregate method. [#CLICKHOUSE-3903] 2018-09-14 11:04:18 +03:00
Nikolai Kochetov
2eb35dd6ef Cache AggregateDataPtr for single low cardinality column. [#CLICKHOUSE-3903] 2018-09-14 11:04:09 +03:00
Nikolai Kochetov
787e814e4c Low cardinality group by signle column. [#CLICKHOUSE-3903] 2018-09-14 11:03:02 +03:00
Alexey Milovidov
cb0af7c3af Removed unused aggregation method [#CLICKHOUSE-2] 2018-09-03 03:33:29 +03:00
Alexey Milovidov
8e17652f0d Removed AggregationMethodConcat, because AggregationMethodSerialized appeared to be far superior [#CLICKHOUSE-2] 2018-09-03 03:07:05 +03:00
Alexey Milovidov
0b2ec39f11 Miscellaneous [#CLICKHOUSE-2] 2018-09-03 03:00:56 +03:00
Alexey Milovidov
13aac718a3 Reverted wrong change [#CLICKHOUSE-2] 2018-09-03 01:24:46 +03:00
Alexey Milovidov
1de3f144f6 Padding chunks in Arena in attempt to improve performance [#CLICKHOUSE-2] 2018-09-03 00:28:25 +03:00
Alexey Milovidov
2da40c4117 Respect alignment in AggregationMethodConcat [#CLICKHOUSE-2] 2018-09-02 23:40:58 +03:00
Alexey Milovidov
b82cf235b7 Suppressed one UBSan alert and added clarification in comment [#CLICKHOUSE-2] 2018-09-02 22:12:50 +03:00
Alexey Milovidov
f7107f12b4 Merge branch 'master' into extra-warnings 2018-09-02 03:13:36 +03:00
Alexey Milovidov
8f54125884 Minor modifications #2808 2018-09-01 06:17:43 +03:00
Alexey Milovidov
3efffba44e Enabling -Wshadow [#CLICKHOUSE-2] 2018-08-27 21:05:28 +03:00
Alexey Milovidov
5b257c588f Enabling -Wshadow [#CLICKHOUSE-2] 2018-08-27 20:42:13 +03:00
Nikolai Kochetov
5379c52b9e Support Aggregator for LowCardinality single key. 2018-08-13 19:23:40 +03:00
chenxing.xc
90d8290d28 aligned aggregate state 2018-08-05 16:45:15 +08:00
Alexey Milovidov
5ff433b670 Merged Limits to Settings [#CLICKHOUSE-2021] 2018-03-11 03:15:26 +03:00
Alexey Milovidov
7415513151 Return single row for aggregation without keys on empty set: development [#CLICKHOUSE-1920] #51 2018-02-18 08:35:48 +03:00
Alexey Milovidov
a4c10f7499 Header in every stream: development [#CLICKHOUSE-2] 2018-02-18 07:17:11 +03:00
Alexey Milovidov
afe09d3138 Removed unused code [#CLICKHOUSE-2] 2018-02-18 06:46:18 +03:00
Alexey Milovidov
a673790748 Header in every stream: development [#CLICKHOUSE-2] 2018-02-16 23:53:47 +03:00
Alexey Milovidov
fe880d73e7 Added method "getHeader" in IBlockInputStream [#CLICKHOUSE-2] 2018-01-09 03:19:58 +03:00
Alexey Milovidov
9996e181e1 Added method "getHeader" in IBlockInputStream [#CLICKHOUSE-2] 2018-01-06 21:10:44 +03:00
Alexey Milovidov
d497d010d7 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-17 08:21:04 +03:00
Alexey Milovidov
7284a64740 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-16 00:32:25 +03:00
Alexey Milovidov
b2aff7521b Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-15 06:47:43 +03:00
Alexey Milovidov
911d80ab51 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-14 07:25:22 +03:00
Alexey Milovidov
fb38ef9a8e Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-14 06:56:56 +03:00