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Author SHA1 Message Date
Amos Bird
a589230249 Faster path for varint read. 
clickhouse-benchmark <<< 'select count() from s where not ignore(s);'

before this patch:

```

QPS: 0.732, RPS: 2346562049.608, MiB/s: 22378.560, result RPS: 0.732, result MiB/s: 0.000.
0.000%  1.310 sec.
10.000% 1.321 sec.
20.000% 1.327 sec.
30.000% 1.337 sec.
40.000% 1.343 sec.
50.000% 1.359 sec.
60.000% 1.366 sec.
70.000% 1.381 sec.
80.000% 1.400 sec.
90.000% 1.434 sec.
95.000% 1.448 sec.
99.000% 1.489 sec.
99.900% 1.499 sec.
99.990% 1.500 sec.

```

after this patch:

```
QPS: 0.787, RPS: 2524560389.064, MiB/s: 24076.084, result RPS: 0.787, result MiB/s: 0.000.
0.000%  1.228 sec.
10.000% 1.232 sec.
20.000% 1.235 sec.
30.000% 1.241 sec.
40.000% 1.246 sec.
50.000% 1.256 sec.
60.000% 1.265 sec.
70.000% 1.278 sec.
80.000% 1.296 sec.
90.000% 1.321 sec.
95.000% 1.354 sec.
99.000% 1.421 sec.
99.900% 1.453 sec.
99.990% 1.456 sec.
```

I also tried a SSE2 implementation and it's much slower (50%)
 2018-08-26 02:23:26 +08:00
alexey-milovidov
732afd27cf
Merge pull request #2953 from yandex/max-block-size-in-system-tables-columns 
Support for max_block_size in system.tables and system.columns tables
 2018-08-25 20:36:54 +03:00
Amos Bird
9623e59870 Simplify read helpers. 
Use similar APIs like https://en.cppreference.com/w/cpp/string/byte/strstr
 2018-08-26 01:27:28 +08:00
Alexey Milovidov
0ef5b19436 Merge branch 'master' of github.com:yandex/ClickHouse 2018-08-25 19:50:14 +03:00
Alexey Milovidov
17818fa54f Merge branch 'Tezd-feature/suggestions' 2018-08-25 19:49:48 +03:00
alexey-milovidov
e7edfd2a05
Merge pull request #2952 from amosbird/buffer 
Make sure BufferBase is fully swapped.
 2018-08-25 19:35:41 +03:00
Alexey Milovidov
aa936b09f9 Added check for max_block_size = 0 #2447 2018-08-25 19:32:44 +03:00
Alexey Milovidov
9c79c5f8ab Added test #2447 2018-08-25 19:26:55 +03:00
Alexey Milovidov
93b44fb17c Made suggest case sensitive again. Otherwise there is a glitch when you type SELECT DIS<TAB> #2447 2018-08-25 19:19:00 +03:00
Alexey Milovidov
068e50329e Support for max_block_size in system.tables and system.columns tables #2447 2018-08-25 19:07:48 +03:00
Alexey Milovidov
417cc1ab4d Additions #2447 2018-08-25 19:05:01 +03:00
Alexey Milovidov
24083e3088 Separate files #2447 2018-08-25 16:55:18 +03:00
Alexey Milovidov
9293882206 Allow to disable suggestion; check server revision #2447 2018-08-25 16:41:50 +03:00
Alexey Milovidov
32eb1a7942 Merge branch 'feature/suggestions' of https://github.com/Tezd/ClickHouse into Tezd-feature/suggestions 2018-08-25 16:15:30 +03:00
Amos Bird
5f03082af9 Make sure BufferBase is fully swapped. 2018-08-25 19:58:16 +08:00
alexey-milovidov
046137f9c5
Merge pull request #2946 from amosbird/locking 
Better locking for StorageBuffer
 2018-08-25 13:47:29 +03:00
Amos Bird
2602177525 Better locking for StorageBuffer 2018-08-25 13:52:06 +08:00
Alexey Milovidov
8cc3501c04 Attempt to generalize ZooKeeper interface [#CLICKHOUSE-2] 2018-08-25 05:00:36 +03:00
Alexey Milovidov
3475ef5304 Attempt to generalize ZooKeeper interface [#CLICKHOUSE-2] 2018-08-25 04:58:14 +03:00
Alexey Milovidov
4d343a441c Attempt to generalize ZooKeeper interface [#CLICKHOUSE-2] 2018-08-25 04:14:02 +03:00
Alexey Milovidov
01082d03d2 Adopted logic in ReplicatedMergeTreeBlockOutputStream #2949 2018-08-25 01:55:02 +03:00
Alexey Milovidov
cc56235ad9 Merge remote-tracking branch 'origin/master' into distinguish-between-definitely-lost-and-unknown-requests-in-zookeeper 2018-08-25 01:53:58 +03:00
Alexey Milovidov
2530561086 ZooKeeperImpl: allow to distinguish cases when request was definitely not been processed #2939 2018-08-25 01:50:20 +03:00
alexey-milovidov
7ba62c2e25
Merge pull request #2939 from yandex/fix-potential-data-loss-in-case-of-zk-errors 
Fixed potential data loss in case of ZK errors [#CLICKHOUSE-3916]
 2018-08-25 01:08:31 +03:00
chertus
53ec40eeee some decimal field improvements CLICKHOUSE-3765 2018-08-24 19:35:00 +03:00
Sjoerd Mulder
9fa0c33b66 Adding third-party scala driver (#2945) 
* Adding scala driver

* Update ru doc
 2018-08-24 17:36:09 +03:00
chertus
2e65f4922f extract overflow funcs to arithmeticOverflow.h CLICKHOUSE-3906 2018-08-24 17:20:23 +03:00
chertus
d61614a3d9 fix enums getTypeId() CLICKHOUSE-3765 2018-08-24 15:55:31 +03:00
alexey-milovidov
3466277b0a
Merge pull request #2940 from yandex/better-exception-message-in-case-of-wrong-number-of-arguments-for-function-if 
Better exception message in case of wrong number of arguments for function "if" [#CLICKHOUSE-3932]
 2018-08-24 15:31:22 +03:00
alesapin
935ae2421b
Merge pull request #2943 from alesapin/master 
Remove strange parameter and add version from env to all calls
 2018-08-24 14:20:28 +03:00
chertus
54a3c028c5 Merge branch 'master' into decimal 2018-08-24 14:19:41 +03:00
alesapin
ec594ad8e8 Remove strange parameter and add version from env to all calls 2018-08-24 14:19:06 +03:00
Alexey Milovidov
9f6073b562 Fixed test #2940 2018-08-24 14:09:20 +03:00
alexey-milovidov
eab95e43d1
Merge pull request #2938 from yandex/speed-up-fuzz-tests-2 
Speed up fuzz tests, part 2 #2924
 2018-08-24 14:07:35 +03:00
alesapin
7722b3caa1
Merge pull request #2941 from alesapin/master 
CLICKHOUSE-3894: Custom api version
 2018-08-24 13:35:30 +03:00
alesapin
5849f4b9cb CLICKHOUSE-3894: Custom api version 2018-08-24 13:31:19 +03:00
alesapin
9ac6e0a2b4
Merge pull request #2885 from amosbird/odbcfix 
Add schema argument to ODBC table func.
 2018-08-24 13:02:06 +03:00
Alexey Milovidov
eee6644a22 Better exception message in case of wrong number of arguments for function "if" [#CLICKHOUSE-3932] 2018-08-24 12:57:42 +03:00
Alexey Milovidov
2febf6af4f Fixed tests #2938 2018-08-24 12:47:47 +03:00
Alexey Milovidov
eec8af52f3 Fixed potential data loss [#CLICKHOUSE-3916] 2018-08-24 11:57:24 +03:00
Alexey Milovidov
86ede3d38c Removed "_dl_addr" from profile when high amount of queries are instantly rejected with exception as in case when "Too many simultaneous queries" [#CLICKHOUSE-3923] 2018-08-24 11:32:33 +03:00
Amos Bird
26903d6e8f Add schema argument to ODBC table func. 
Useful for datbases like postgres and greenplum.
 2018-08-24 16:18:17 +08:00
Alexey Milovidov
030570f6d5 Renamed tests that are not long anymore #2924 2018-08-24 11:01:00 +03:00
Alexey Milovidov
bc799904ad Speed up long tests #2938 2018-08-24 10:53:24 +03:00
Alexey Milovidov
080b0f7f1f Speed up fuzz tests, part 2 #2924 2018-08-24 10:35:53 +03:00
Alexey Milovidov
a2fefa1617 Speed up fuzz tests, part 2 #2924 2018-08-24 10:30:53 +03:00
alexey-milovidov
5637b30556
Merge pull request #2929 from zhang2014/fix/support_asterisk_for_predcate_optimize 
ISSUES-863 fix predicate not work for asterisk
 2018-08-24 08:53:04 +03:00
Alexey Milovidov
91496574aa Fixed error #2913 2018-08-24 08:45:03 +03:00
Alexey Milovidov
761422da22 Miscellaneous #2913 2018-08-24 08:37:06 +03:00
zhang2014
21528697f8 ISSUES-863 turn off enable_optimize_predicate_expression 2018-08-24 13:30:49 +08:00