Nikolai Kochetov
5bd46508e8
Fix comments.
2019-03-29 18:07:53 +03:00
Nikolai Kochetov
53319e2d6e
Fixed reading from Array(LowCardinality) column with long block of empty array.
2019-03-29 17:06:46 +03:00
Alexey Milovidov
fb19cf1eec
Attempt to make compositions with COWPtr more convenient
2019-03-25 04:43:54 +03:00
alexey-milovidov
6db73152d2
Hardening debug build (experimental) ( #4632 )
...
* Hardening debug build: more granular memory mappings and ASLR; add memory protection for mark cache and index
* Addition to prev. revision
* Addition to prev. revision
* Addition to prev. revision
2019-03-10 06:16:51 +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
Vitaly Baranov
4b6cba9a8e
IColumn::getPermutation() and IColumn::permutate() functions, "limit" parameter: change type UInt64 -> size_t.
2019-02-19 14:56:09 +03:00
Alexey Milovidov
4799a343ee
Addition to prev. revision #4246
2019-02-10 19:22:38 +03:00
Alexey Milovidov
c603d270f4
Cleanups #4246
2019-02-10 18:17:45 +03:00
Alexey Milovidov
1d4701b0bc
Added some warnings from clang's -Weverything
2019-01-04 15:10:00 +03:00
Nikolai Kochetov
eb457f2bd2
Do not copy dictionary in ColumnLowCardinality::cloneEmpty
2018-12-28 18:22:38 +03:00
Nikolai Kochetov
ec59f65a1e
Update ReverseIndex. Added tests.
2018-12-13 22:02:28 +03:00
Nikolai Kochetov
2bb57ce472
Support insertion into LowCardinality from old native clients.
2018-12-06 17:08:42 +03:00
Nikolai Kochetov
65e5494326
Fixed size for LowCardinality dictionary permutation.
2018-11-27 21:08:54 +03:00
Alexey Milovidov
c77930fe30
Whitespaces [#CLICKHOUSE-2]
2018-11-26 03:56:50 +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
Nikolai Kochetov
97add69825
Rename WithDictionary to LowCardinality.
2018-09-28 13:44:59 +03:00
