64 Commits

Author	SHA1	Message	Date
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
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	d83ff9ceb2	clickhouse: totals modes. [#METR-9365]	2014-02-27 16:53:38 +04:00
Sergey Fedorov	392b960ade	storages: virtual column support functions [METR-9172]	2014-02-08 16:49:45 +00:00
Sergey Fedorov	a7edba5032	table functions: main interface implementation, function merge implementation, plug for remote function [METR-9750]	2014-01-28 16:45:10 +00:00
Sergey Fedorov	13bd27c498	dbms: View and Materialized View fixes, logic updates, implementation [#METR-9076]	2013-11-13 14:39:48 +00:00
Sergey Fedorov	b6b40d4c4e	dbms: View and Materialized View implementation [#METR-9076]	2013-11-08 17:43:03 +00:00
Alexey Milovidov	18a8aa74f8	dbms: merged convertToBlock and finalize aggregation steps whenever possible [#METR-2944].	2013-11-03 23:35:18 +00:00
Michael Kolupaev	dd72f5b8b8	clickhouse: switched to ExpressionAnalyzer [#CONV-7444].	2013-06-03 10:18:41 +00:00
Alexey Milovidov	67f905dbc4	dbms: added DISTINCT [#CONV-7756].	2013-06-01 07:43:57 +00:00
Vyacheslav Alipov	066f9ffa7c	rolled back to revision 31455 [#CONV-6778]	2013-05-08 09:58:31 +00:00
Vyacheslav Alipov	c2d5749128	preserving original column names for distributed queries [#CONV-6778]	2013-05-07 10:30:52 +00:00
Michael Kolupaev	d866ffbb91	clickhouse: slightly fixed subqueries with Distributed tables [#CONV-6822].	2013-03-27 13:26:25 +00:00
Alexey Milovidov	691782329a	dbms: development of limits [#CONV-2944].	2012-12-25 20:36:35 +00:00
Alexey Milovidov	44aa02f806	dbms: development [#CONV-2944].	2012-08-27 05:13:14 +00:00
Alexey Milovidov	8ea28ddd6e	dbms: development [#CONV-2944].	2012-08-22 20:29:01 +00:00
Alexey Milovidov	366f70b7f3	dbms: development [#CONV-2944].	2012-08-20 19:21:04 +00:00
Alexey Milovidov	061a75785b	dbms: development [#CONV-2944].	2012-08-02 17:33:31 +00:00