Commit Graph

18 Commits

Author SHA1 Message Date
29addca221 stats: log detailed stats info for query feedback (#7293) 2018-08-15 22:01:44 +08:00
00839ceeec stats: support loading partition stats (#7305) 2018-08-09 20:00:03 +08:00
a629630745 stats: refine the row count estimation for outdated stats (#7175) 2018-07-29 12:49:26 +08:00
34d8fd8d8d plan, statistics: extract histColl struct (#6860) 2018-07-13 14:42:07 +08:00
3f574d97c9 stats: refactor stats update mechanism (#6901) 2018-07-06 11:22:11 +08:00
48719d2019 stats: refine index row count estimation (#6869) 2018-06-22 15:48:36 +08:00
056161d6ae stats: fix row count estimation for null (#6203) 2018-04-04 10:59:40 +08:00
ccf6da1a46 *: rename NextChunk to Next (#6214) 2018-04-03 20:00:30 +08:00
501de19821 stats: add average column size for the histogram (#5974) 2018-03-23 13:44:24 +08:00
e1121814d2 *: don't import golang.org/x/net/context as goctx alias (#5895)
Now that there is no conflict with sessionctx.Context, this can be
import directly
2018-02-24 03:40:56 -06:00
4e1a114e68 *: move package context to sessionctx (#5890) 2018-02-22 18:03:38 +08:00
888bc2a602 *: uniform the way to iterate rows within a Chunk (#5674) 2018-01-22 11:34:04 +08:00
4f9815d8e4 stats: fix resource leak (#5653) 2018-01-16 14:55:50 +08:00
c45111d9f6 stats: use more compact structure for histograms (#5539)
* stats: use more compact structure for histograms

* address comments

* address comments

* refine code

* address comment
2018-01-05 20:43:01 +08:00
f1e89cde19 *: use lower-case of github.com/sirupsen/logrus (#5400)
*: rename github.com/Sirupsen/logrus to github.com/sirupsen/logrus

* vendor: update pd

* vendor: update github.com/pingcap/tipb/go-mysqlx
2017-12-14 16:25:58 +08:00
a2fb741191 *: Chunk add context parameter (#5348) 2017-12-09 11:23:40 +08:00
2cbeb5434d stats: speed up loading full stats info (#5266) 2017-11-30 11:51:44 +08:00
f0f94b1084 stats: speed up loading stats info when server starts (#5215) 2017-11-28 13:53:03 +08:00