Commit Graph

84 Commits

Author SHA1 Message Date
Andrey Mironov
47148229e0 dbms: allow DataTypeFactory to be some weird multi-instance singleton, I don't feel like modifying all the code which uses it right now 2015-03-20 18:45:36 +03:00
Alexey Milovidov
2d04fed3a3 dbms: improved performance of reading string column [#METR-2944]. 2015-02-15 15:38:21 +03:00
Alexey Arno
f8cb28cf07 Apply required fixes [#METR-14099]. 2014-12-17 18:56:52 +03:00
Alexey Arno
72ca080f64 Further simplify the type compatibility checking code 2014-12-15 19:07:50 +03:00
Alexey Arno
dd6ac530f4 Various cleanups 2014-12-15 19:07:49 +03:00
Alexey Arno
8995500f14 Add initial support for SELECT requests chained by UNION ALL. 2014-12-15 19:07:49 +03:00
Andrey Mironov
484073a95c dbms: add emptyArrayType family of functions. #[METR-13151] 2014-10-28 16:43:51 +03:00
Alexey Milovidov
390b2efc61 dbms: fixing error [#METR-13087] (incomplete). 2014-10-07 00:33:12 +04:00
Alexey Milovidov
3ea4fb0fa0 Improvement [#METR-2807]. 2014-07-01 05:03:16 +04:00
Alexey Milovidov
108a7850a5 dbms: improved performance on short queries [#METR-11571]. 2014-06-26 04:58:14 +04:00
Sergey Fedorov
be9527f09f dbms: more read write functions for DataTypeAggregateFunction and ColumnAggregateFunction [METR-10894] 2014-05-22 18:09:10 +04:00
Sergey Fedorov
214e8aa9ea Merge 2014-05-21 17:30:42 +04:00
Alexey Milovidov
5ca21127c7 Improvement [#METR-2807]. 2014-04-08 11:31:51 +04:00
Michael Kolupaev
262ffcd74b Fixed parametric aggregate functions in totals. [#METR-10566] 2014-03-25 22:16:40 +04:00
Alexey Milovidov
d2df453682 dbms: improved performance a little [#METR-2944]. 2014-03-10 17:26:44 +04:00
Alexey Milovidov
cad8abce91 Removed useless whitespace [#METR-2807]. 2013-12-17 19:40:23 +00:00
Michael Kolupaev
b489295fe3 ClickHouse: added checks for non-positive FixedString size. [#METR-9091] 2013-12-04 10:02:43 +00:00
Michael Kolupaev
d5ebfa5076 ClickHouse: IDataType::deserializeBinary now appends to column. Previously it was appending for some types and overwriting for others. [#METR-9091] 2013-11-26 10:18:09 +00:00
Alexey Milovidov
3c1ec5bc34 dbms: allowed to return tuples as query result [#METR-8970]. 2013-10-26 19:00:13 +00:00
Michael Kolupaev
dc3d84ac93 ClickHouse: type upscaling for if(). [#CONV-8764] 2013-10-08 12:30:43 +00:00
Alexey Milovidov
1f06b7a95c dbms: less copying when reading fixed columns in large blocks [#CONV-2944]. 2013-09-08 00:00:25 +00:00
Alexey Milovidov
055eda8f81 dbms: reverted prev. modification [#CONV-2944]. 2013-09-07 03:56:27 +00:00
Alexey Milovidov
e8d5603a49 dbms: improved performance: less copying when reading fixed-size columns [#CONV-2944]. 2013-09-07 03:28:20 +00:00
Pavel Kartavyy
18d1ee2eb2 Fixed incorrect working with nested tables in ALTER [#conv-8383] 2013-08-14 16:52:40 +00:00
Alexey Milovidov
be67c3e3d6 Removed useless namespace [#CONV-2807]. 2013-08-11 03:40:14 +00:00
Vyacheslav Alipov
ef8cd52e73 added alias support for ARRAY JOIN section [#CONV-7967] 2013-07-30 17:25:46 +00:00
Vyacheslav Alipov
38b88d2d60 added input validation for Nested Arrays [#CONV-7967] 2013-07-22 12:04:08 +00:00
Vyacheslav Alipov
ac42eb45a4 SELECT and table reads/writes may be wokring now [NOT TESTED] [#CONV-7967] 2013-07-16 14:55:01 +00:00
Vyacheslav Alipov
090aae8e7b propagated [de]serialization to storages and (in|out)put streams [#CONV-7967] 2013-07-12 13:35:05 +00:00
Vyacheslav Alipov
73bc183ffc main classes and first draft of CREATE TABLE parser [#CONV-7967] 2013-07-11 17:35:56 +00:00
Alexey Milovidov
9f74563493 dbms: removed useless code [#CONV-2944]. 2013-06-30 17:04:15 +00:00
Alexey Milovidov
fe0dd1d0b2 dbms: improvement [#CONV-2944]. 2013-06-21 20:34:19 +00:00
Alexey Milovidov
fa6dc462bf dbms: fixed writing infinite floating point numbers in JSON formats [#CONV-7445]. 2013-06-15 00:23:51 +00:00
Michael Kolupaev
796df96cbc clickhouse: Expression refactoring: development [#CONV-7444]. 2013-05-24 10:49:19 +00:00
Vyacheslav Alipov
206414fb29 serializeTextJSON [#CONV-7445] 2013-05-16 12:52:09 +00:00
Michael Kolupaev
48c5dedb42 clickhouse: added parsing of lambda-expressions [#CONV-7444]. 2013-05-08 09:52:02 +00:00
Michael Kolupaev
0f94ab34bf Merge 2013-03-27 10:07:23 +00:00
Evgeniy Gatov
964ff3a2a5 dbms: added DB::Array binary serialization, requered for ███████████; tiny comment fix [#CONV-6668]. 2013-03-09 05:44:26 +00:00
Michael Kolupaev
2cfd77bbe5 clickhouse: fixed inserting floating point numbers [#CONV-2944]. 2013-03-06 14:19:55 +00:00
Alexey Milovidov
e9a9124069 dbms: continuing improvement (incomplete) [#CONV-2944]. 2013-02-08 20:34:30 +00:00
Alexey Milovidov
3891f4a230 dbms: improved performance for queries with large aggregation result [#CONV-2944]. 2013-02-03 23:11:21 +00:00
Alexey Milovidov
7b3f533ecd Using own Field class instead of boost::variant (experimental) [#CONV-2944]. 2013-01-05 20:03:19 +00:00
Alexey Milovidov
3e12dc2c1a dbms: improved performance of parsing tsv [#CONV-2944]. 2013-01-05 14:16:05 +00:00
Alexey Milovidov
494b212f3a dbms: removed VarUInt and VarInt data types [#CONV-2944]. 2012-12-14 20:24:26 +00:00
Alexey Milovidov
de13137958 dbms: changed signature of IDataType::serializeBinary [#CONV-2944]. 2012-12-11 20:31:39 +00:00
Alexey Milovidov
e30260d9fa dbms: added parametric aggregate functions; added aggregate function 'quantile' [#CONV-2944]. 2012-10-29 02:58:52 +00:00
Alexey Milovidov
544dd9a596 dbms: probably fixed error with aggregate function serialization (incomplete) [#CONV-2944]. 2012-10-24 18:14:36 +00:00
Alexey Milovidov
ee72094d1d ███████████: development [#CONV-2944]. 2012-09-05 19:51:09 +00:00
Alexey Milovidov
44aa02f806 dbms: development [#CONV-2944]. 2012-08-27 05:13:14 +00:00
Alexey Milovidov
eefd3b34d9 dbms: development [#CONV-2944]. 2012-08-26 11:14:52 +00:00