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53318492a0
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169 Commits

Author SHA1 Message Date
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
c58030d339 Code cleanup 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
731be3e7cf Merge 2014-11-12 13:37:47 +03:00
Andrey Mironov
0bfd35e5c7 dbms: defaulted columns support for ALTER, currently without type deduction and checking. 2014-10-16 17:37:01 +04:00
Andrey Mironov
6f7997ce11 dbms: prohibit inserting materialized columns, support create as and similar queries. [#METR-12739] 2014-10-10 19:45:43 +04:00
Alexey Milovidov
58982a2530 dbms: fixed error [#METR-11587]. 2014-10-08 05:54:26 +04:00
Alexey Milovidov
bae467c493 dbms: preparation [#METR-2944]. 2014-08-23 00:14:53 +04:00
Andrey Mironov
beca178f2f dbms: support WITH TOTALS without GROUP BY 2014-08-08 10:10:12 +04:00
Michael Kolupaev
0a67d151bd dbms: updated all usages of NamesAndTypesPair to new field names. [#METR-10202] 2014-07-09 15:54:26 +04:00
Alexey Milovidov
f107415f75 dbms: fixed error; more diagnostics for GLOBAL subqueries [#METR-11370]. 2014-07-07 01:59:20 +04:00
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
18f670defa dbms: JOINs: development [#METR-11370]. 2014-07-05 00:30:06 +04:00
Alexey Milovidov
108a7850a5 dbms: improved performance on short queries [#METR-11571]. 2014-06-26 04:58:14 +04:00
Alexey Milovidov
29e8538f25 dbms: JOINs: development [#METR-11370]. 2014-06-13 13:07:20 +04:00
Alexey Milovidov
bfff8ab715 dbms: JOINs: development [#METR-11370]. 2014-06-13 06:05:05 +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
Michael Kolupaev
4cee45e004 dbms: better optimization of ARRAY JOIN; tests for it. [#METR-11017] 2014-04-30 23:19:35 +04:00
Sergey Fedorov
add1b80d7a dbms: fixed global_in inside aggregate function. [METR-10974] 2014-04-29 20:53:01 +04:00
Alexey Milovidov
b5c63dade9 Merge 2014-04-12 20:11:06 +04:00
Pavel Kartavyy
3974dd8e1d dbms: in refactoring [#METR-10498] 2014-04-10 12:57:01 +04:00
Pavel Kartavyy
6a15b2b588 dbms: in refactoring [#METR-10498] 2014-04-09 14:32:52 +04:00
Alexey Milovidov
9dad91788b Improvement [#METR-2807]. 2014-04-08 11:47:51 +04:00
Pavel Kartavyy
049db94426 dbms: development [#METR-10498] 2014-04-07 20:29:25 +04:00
Pavel Kartavyy
bdeee5386b dbms: development [#METR-10498] 
Signed-off-by: Pavel Kartavyy <kartavyy@yandex-team.ru>
 2014-04-07 20:29:25 +04:00
Sergey Fedorov
fff1593bd9 dbms: Sending only required external tables to remote servers [METR-10071] 2014-04-01 18:06:58 +04:00
Michael Kolupaev
d42352149d dbms: DISTINCT before ORDER BY. [#METR-9627] 2014-03-28 20:08:48 +04:00
Michael Kolupaev
25f5d03f77 dbms: (Warning: this commit makes clickhouse distributed queries incompatible with previous versions) Improved distributed query processing: more stages and optimizations are now made on remote side. Significantly reduced spaghettiness of InterpreterSelectQuery. [#METR-10616] 2014-03-28 16:13:58 +04:00
Michael Kolupaev
852d35615c dbms: Fixed a bug. [#METR-10615] 2014-03-27 23:50:02 +04:00
Alexey Milovidov
26848b6803 dbms: added pretty-formatting for GLOBAL IN; pedantic modifications in comments [#METR-10071]. 2014-03-27 21:58:25 +04:00
Sergey Fedorov
003c7b30cd dbms: fixes and more comments on 'Global in' and external tables behavior [METR-10071] 2014-03-27 16:06:45 +04:00
Sergey Fedorov
f0aae9604a dbms: Global in function, sexternal tables transfers to remote servers [METR-10071] 2014-03-27 16:06:45 +04:00
Sergey Fedorov
6f85a12692 dbms: fixed variable names, temporary tables are now external tables, in distributed query external table now always will be send to remote servers [METR-10071] 2014-03-27 16:06:45 +04:00
Sergey Fedorov
a17a57c425 client: external data sending from client to server [METR-10071] 2014-03-27 16:06:45 +04:00
Michael Kolupaev
262ffcd74b Fixed parametric aggregate functions in totals. [#METR-10566] 2014-03-25 22:16:40 +04:00
Michael Kolupaev
280dd19e63 Fixed SELECT without table. [#METR-10202] 2014-03-20 21:05:22 +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
Alexey Milovidov
34ef806287 dbms: fixed error [#METR-10377]. 2014-03-12 21:15:14 +04:00
Michael Kolupaev
d3874a1202 clickhouse: subqueries in IN update progress and can be cancelled (and added missing files). [#METR-10102] 2014-03-04 21:56:24 +04:00
Pavel Kartavyy
95c801b2c6 Revert "clickhouse: subqueries in IN update progress and can be cancelled. [#METR-10102]" 
This reverts commit 98eb21cee309e52fc8be378ebd7cec757b38300f.
 2014-03-04 18:19:32 +04:00
Michael Kolupaev
9c3297f3a1 clickhouse: subqueries in IN update progress and can be cancelled. [#METR-10102] 2014-03-04 15:26:55 +04:00
Michael Kolupaev
789be91e46 clickhouse: fixed putting totals everywhere. [#METR-9365] 2014-03-04 11:59:38 +04:00
Sergey Fedorov
967677e8cf table functions: refixed table function analyzation in expression analyzer [METR-9750] 2014-02-28 17:28:42 +04:00
Michael Kolupaev
b0f079be0d setting for totals threshold with AFTER_HAVING_AUTO. [#METR-10223] 2014-02-27 17:12:56 +04:00
Michael Kolupaev
d83ff9ceb2 clickhouse: totals modes. [#METR-9365] 2014-02-27 16:53:38 +04:00
Michael Kolupaev
04f0056b0a clickhouse: totals mode: development. [#METR-9365] 2014-02-27 16:53:38 +04:00