Commit Graph

83 Commits

Author SHA1 Message Date
Alexey Milovidov
de479eb36a Comment [#METR-2944]. 2016-10-24 06:08:56 +03:00
Alexey Milovidov
0a48e6296e Fixing warnings on clang [#METR-2807]. 2016-03-07 07:35:06 +03:00
Alexey Milovidov
b0387d5ccf dbms: FULL and RIGHT JOINs: partial implementation [#METR-15418]. 2015-07-22 05:59:47 +03:00
Alexey Milovidov
d44cc0ca08 dbms: preparations [#METR-15418]. 2015-07-22 04:46:35 +03:00
Alexey Milovidov
71ae4a9931 dbms: preparation [#METR-15418]. 2015-07-22 03:59:22 +03:00
Alexey Milovidov
6815bd7c00 dbms: addition to prev. revision [#METR-15553]. 2015-07-15 05:58:28 +03:00
Alexey Milovidov
bc3a0de6ab dbms: fixed GLOBAL IN inside subquery [#METR-15553]. 2015-07-15 05:52:19 +03:00
Alexey Milovidov
226731128b dbms: get rid of columns inside Context [#METR-15553]. 2015-07-15 04:26:35 +03:00
Alexey Arno
aa30036fd4 dbms: Server: Cosmetic changes that make easier to read, understand, and maintain the code that handles UNION ALL. [#METR-14099] 2015-07-13 18:02:29 +03:00
Alexey Milovidov
0719320758 dbms: improvement [#METR-2944]. 2015-06-18 05:11:05 +03:00
Alexey Milovidov
73072b58c7 dbms: fixed comment [#METR-2944]. 2015-06-17 00:41:47 +03:00
Alexey Milovidov
51be2693ee dbms: addition to SETTINGS [#METR-16354]. 2015-06-06 23:00:08 +03:00
Alexey Milovidov
854a2f4cc8 dbms: added optional section SETTINGS to SELECT query [#METR-16354]. 2015-06-06 00:28:04 +03:00
Alexey Milovidov
a5afb7a863 dbms: cut dependency [#METR-2944]. 2015-05-07 02:35:37 +03:00
Alexey Arno
999bc75dfe dbms: Server: Removed unneeded optimization (ii). [#METR-14408] 2015-04-23 16:16:42 +03:00
Alexey Arno
a15052e0e6 Merge 2015-04-23 15:57:39 +03:00
Alexey Arno
80850909c7 Merge 2015-04-23 14:07:15 +03:00
Alexey Arno
5136ffb2a6 dbms: Server: Simplified code. [#METR-14408] 2015-04-21 18:12:08 +03:00
Alexey Arno
8a317f076d Merge 2015-04-17 16:56:29 +03:00
Alexey Arno
b5105ecdf7 dbms: Server: fixed bug in UNION ALL [#METR-15077] 2015-02-13 14:40:58 +03:00
Alexey Milovidov
9947387bef dbms: added distributed sorting [#METR-2944]. 2015-01-18 11:27:28 +03:00
Alexey Milovidov
715f5bf8d1 dbms: fixed error with GLOBAL IN when one of shard is localhost [#METR-14557]. 2015-01-14 05:44:25 +03:00
Alexey Milovidov
6212e7080b dbms: more scalable aggregator: development [#METR-2944]. 2015-01-03 09:49:32 +03:00
Alexey Arno
2cdffef31c dbms: Server: minimize the number of calls to executeUnion(). [#METR-14099] 2014-12-27 00:37:38 +03:00
Alexey Arno
ae2fb27f9b dbms: Server: add optimization for UNION ALL queries that do not contain wildcards. [#METR-14099] 2014-12-25 18:27:03 +03:00
Alexey Arno
70d01a1696 dbms: Server: fixed function names according to naming convention, added more comments and functional tests. [#METR-14099] 2014-12-25 13:22:24 +03:00
Alexey Arno
3cc4410c50 dbms: Server: add more optimizations and refactoring in InterpreterSelectQuery initialization. [#METR-14099] 2014-12-24 18:30:15 +03:00
Alexey Arno
b0256d0990 dbms: Server: Remove boilerplate code. [#METR-14099] 2014-12-24 18:30:15 +03:00
Alexey Arno
ece876f05d dbms: Server: add first part of a fix for column renaming in UNION ALL queries. 2014-12-24 18:30:14 +03:00
Alexey Arno
28055dde55 dbms: Server: fixed typo in function declaration [#METR-14408] 2014-12-20 00:19:48 +03:00
Alexey Arno
5d23310cea dbms: Server: execute queries from views with as most parallelism as possible [#METR-14408] 2014-12-19 18:56:12 +03:00
Alexey Arno
84456a08c3 dbms: Server: rewrite expression lists in each SELECT query of the UNION ALL chain, if needed. [#METR-14099] 2014-12-19 16:10:48 +03:00
Alexey Arno
747d2211d6 Remove code that turned out to be redudant. [#METR-14099] 2014-12-17 23:57:21 +03:00
Alexey Arno
d29f019981 Apply required fixes [#METR-14099] 2014-12-17 18:56:52 +03:00
Alexey Arno
8cdc779c9c Add fix: temporarily turn off UNION ALL support for SELECT queries because it breaks functional tests. [#METR-14099] 2014-12-16 15:06:51 +03:00
Alexey Arno
819b3bd6ac Code cleanups [#METR-14099]. 2014-12-15 19:07:50 +03:00
Alexey Arno
9dd48cbf36 Simplify code [#METR-14099]. 2014-12-15 19:07:50 +03:00
Alexey Arno
53318492a0 Add optimization in InterpreterSelectQuery that tries to minimize quantity of stream mergings. 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
Alexey Milovidov
8643f02ac0 dbms: reworked GLOBAL subqueries (probably doesn't work) [#METR-11370]. 2014-07-06 23:48:39 +04:00
Alexey Milovidov
e7722f50b1 dbms: JOINs: development [#METR-11370]. 2014-07-06 04:19:49 +04:00
Alexey Milovidov
29e8538f25 dbms: JOINs: development [#METR-11370]. 2014-06-13 13:07:20 +04:00
Alexey Milovidov
1ba07d65ad dbms: development [#METR-11370]. 2014-06-13 03:21:38 +04:00
Alexey Milovidov
0ba0894a90 dbms: JOINs: development [#METR-11370]. 2014-06-12 08:04:47 +04:00
Alexey Milovidov
5ca21127c7 Improvement [#METR-2807]. 2014-04-08 11:31:51 +04:00
Michael Kolupaev
d42352149d dbms: DISTINCT before ORDER BY. [#METR-9627] 2014-03-28 20:08:48 +04:00
Michael Kolupaev
e10125a052 Using IStorage locks properly in most places. Got rid of StoragePtr and DatabaseDropper. Drops are now synchronous. [#METR-10202] 2014-03-20 14:59:45 +04:00
Michael Kolupaev
67c563a4d3 Added locks to IStorage. Some race conditions are fixed, some are introduced, along with some possible deadlocks. [#METR-10202] 2014-03-19 14:45:13 +04:00
Michael Kolupaev
420d5696ea clickhouse: fixed ARRAY JOIN in distributed queries without WHERE and aggregation. [#METR-10349] 2014-03-14 12:30:50 +04:00