6d51ad33fd
*: Optimize struct memory usage by adjust field order ( #11629 )
2019-08-13 17:20:53 +08:00
d51a3e067e
planner: use HistColl containing all columns for row width estimation ( #11689 )
2019-08-09 17:00:33 +08:00
fe038642e5
*: refactor cost model formulas and constants ( #10581 )
2019-08-07 17:44:09 +08:00
03bb8d7818
stats: convert small range to points in selectivity ( #11524 )
2019-08-05 10:45:51 +08:00
bd419c8fdb
stats: fix panic when dump pseudo columns ( #11430 )
2019-07-26 14:43:20 +08:00
89bfed305c
executor, stats: fix fast analyze bugs ( #10680 )
2019-06-04 12:32:41 +08:00
69b02a3736
*: make config items Performance.*, OOMAction and MemQuotaQuery support hot-reloading ( #10295 )
2019-04-29 16:38:46 +08:00
e5f734e54c
*: move the Handle of stats to single package. ( #10149 )
2019-04-17 13:42:34 +08:00
7666f688b3
*: add stats version in slow_query and slow log. ( #10082 )
2019-04-15 18:04:48 +08:00
2e14068ee1
*: improve NULL count estimation for single column index ( #9474 )
2019-03-30 19:22:30 +08:00
451f54e25e
statistics: unify log format in package statistics ( #9534 )
2019-03-18 16:59:56 +08:00
c5c30912db
statistics: set correlation when loading needed column histogram ( #9701 )
2019-03-14 16:28:53 +08:00
c0ca027f51
stats: fix data race when updating correlation ( #9594 )
2019-03-09 14:47:00 +08:00
69f2749154
executor: only show valid columns in stats_histogram ( #9487 )
2019-02-28 13:06:38 +08:00
45f9d6a00f
statistics: compute and store column order correlation with handle ( #9315 )
2019-02-27 11:32:00 +08:00
46ead360cc
statistics: add PhysicalID to Column ( #9394 )
2019-02-22 17:30:31 +08:00
ec833bc4d2
*: fix some lints produced by golangci-lint ( #8999 )
2019-01-16 16:44:49 +08:00
82d2726300
planner, statistics: build new histogram using range information ( #7921 )
2019-01-14 20:33:36 +08:00
8be09da457
stats: fix panic when dumping stats ( #8448 )
2018-11-26 21:08:02 +08:00
e195df2e5d
stats: fix selectivity estimation for primary key ( #8134 )
2018-11-01 20:38:08 +08:00
32b1dbd8d5
*: rename "github.com/pkg/errors" to "github.com/pingcap/errors" ( #8136 )
...
We import "github.com/pkg/errors" in the code, and actually put
the "github.com/pingcap/errors" there in the vendor path.
That's a dirty hack, and prevent the introduce of Go module.
2018-11-01 16:09:07 +08:00
89dda9d9a8
*: move parser to a separate repository ( #8036 )
2018-10-25 11:12:10 +08:00
d65ce8655c
stats: fix estimation for out of range point queries ( #8015 )
2018-10-24 16:20:22 +08:00
83a923e796
stats: support dump stats for partition table ( #7753 )
2018-09-22 09:52:47 +08:00
a947590b14
stats: update the way of using index feedback ( #7488 )
2018-09-13 19:02:32 +08:00
cb03f2bec1
move from juju/errors to pkg/errors ( #7151 )
2018-09-12 15:42:20 +08:00
621ca431ad
stats, plan: return row count 0 for empty range on handle ( #7583 )
2018-09-03 11:05:28 +08:00
87c54b2610
plan, statistics: maintain HistColl in DataSource's StatsInfo ( #7385 )
2018-08-31 01:14:43 +08:00
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
06021c7cfe
remove types.Row interface ( #7170 )
2018-07-27 13:45:03 +08:00
3173604871
stats: do not change histogram version when updating coloumn size ( #7145 )
2018-07-25 16:32:04 +08:00
3b5e8a2264
stats: use feedback in time ( #6859 )
2018-07-23 19:27:14 +08:00
1bf3f3d407
ranger: refine explain format, again ( #7041 )
2018-07-17 16:47:44 +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
c5524cb238
plan, executor: use CorrelatedColumn to calculate range. ( #6779 )
2018-06-28 16:23:05 +08:00
0ab0b50f25
stats: refine the pseudo condition for stats ( #6565 )
2018-06-27 17:05:37 +08:00
48719d2019
stats: refine index row count estimation ( #6869 )
2018-06-22 15:48:36 +08:00
c348afebf1
stats: refine row count estimation ( #6746 )
2018-06-04 20:45:30 +08:00
bcd3750f4b
stats: refine stats log level ( #6627 )
2018-05-23 20:33:30 +08:00
8729424629
stats: fix dump stats ( #6285 )
2018-04-26 17:40:10 +08:00
12dbd32854
*: rename NewRange to Range. ( #6368 )
2018-04-25 13:13:04 +08:00
58326c844e
stats: fix pseudo selectivity for primary key ( #6302 )
2018-04-18 10:10:03 +08:00
9fbf8a6637
stats: dynamically update the average column size ( #6170 )
2018-04-13 16:31:43 +08:00
056161d6ae
stats: fix row count estimation for null ( #6203 )
2018-04-04 10:59:40 +08:00
905eda7ff5
stats: fix row estimation for pseudo unique key ( #6199 )
2018-04-02 20:27:58 +08:00
df6f955fe8
stats: update the histogram using feedback ( #6086 )
2018-03-29 13:29:04 +08:00
501de19821
stats: add average column size for the histogram ( #5974 )
2018-03-23 13:44:24 +08:00
