b0549b7875
stats: incremental analyze for index with feedback updates ( #10355 )
2019-05-08 13:50:46 +08:00
6a578a8b57
statistics: Support store CMSketch with Top N ( #10255 )
2019-04-29 12:15:59 +08:00
4b4fe8b549
stats: incremental analyze for index without feedback updates ( #10102 )
2019-04-28 15:34:51 +08:00
5fa16a8030
executor: support building stats for fast analyze. ( #10258 )
2019-04-28 13:49:54 +08:00
862df46fe9
executor: support fast sample for fast analyze ( #10214 )
2019-04-24 17:04:55 +08:00
a28d8779c1
*: support show analyze status ( #10172 )
2019-04-24 14:32:19 +08:00
33015e10a9
executor: fix the wrong order by pk desc result and some corner cases for unsigned pk ( #10179 )
2019-04-19 12:58:25 +08:00
5b469e08b3
planner, executor: support fast analyze in planner and executor's builder. ( #10040 )
2019-04-10 20:13:18 +08:00
e9653675dd
*: remove errors.Trace in main handle path ( #10033 )
2019-04-04 14:27:15 +08:00
2e14068ee1
*: improve NULL count estimation for single column index ( #9474 )
2019-03-30 19:22:30 +08:00
f738ba24ad
executor: replace logger with zap logger ( #9521 )
2019-03-14 15:14:38 +08:00
45f9d6a00f
statistics: compute and store column order correlation with handle ( #9315 )
2019-02-27 11:32:00 +08:00
00c4ff4fa9
*: refactor Executor.Next() to receive RecordBatch ( #8994 )
2019-01-14 15:04:36 +08:00
4899ce5e92
ddl: add error check in ddlCtx.buildDescTableScan ( #8726 )
2018-12-18 14:47:23 +08:00
c137cada68
*: change golang.org/x/net/context to standard context ( #8579 )
2018-12-05 13:54:00 +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
cb03f2bec1
move from juju/errors to pkg/errors ( #7151 )
2018-09-12 15:42:20 +08:00
8c44f562f5
metrics: add different labels for restricted SQL and general SQL ( #7631 )
...
The newly added label is `sql_type`, it has value: `general` and `internal`,
users can use this label to filter metrics they have interest.
Also, add keyword `[INTERNAL]` for restricted SQL printed in slow log for
convenient identification.
2018-09-07 14:23:48 +08:00
e7afbb2713
*: make analyze buckets number configurable ( #7619 )
2018-09-06 17:16:23 +08:00
1d0d0a6666
distsql: let analyze use RC level and low priority ( #7496 )
2018-08-27 18:46:51 +08:00
82a6c1085c
*: introduce the concept of physical ID, code refactory ( #7374 )
2018-08-16 10:33:24 +08:00
44e6c3c2e1
plan, stats: fix inconsistent row count estimation ( #7233 )
2018-08-06 17:39:33 +08:00
a7fc9c323e
distsql: disable read committed isolation level ( #7280 )
...
read committed isolation may cause inconsistent read.
Only Analyze request use read committed isolation level.
2018-08-06 13:07:06 +08:00
67e724a5fe
executor: fix a bug of update with outer join ( #7177 )
2018-08-02 13:47:56 +08:00
fd7e5274b6
executor: panic recover for analyze worker ( #7214 )
2018-08-01 16:57:20 +08:00
1285088127
executor, plan: support analyze partition table ( #7190 )
2018-08-01 16:39:08 +08:00
7c18d24933
executor, store: fixed daylight saving time issue ( #6823 )
...
Thank you for working on TiDB! Please read TiDB's [CONTRIBUTING](https://github.com/pingcap/tidb/blob/master/CONTRIBUTING.md ) document **BEFORE** filing this PR.
## What have you changed? (mandatory)
During coprocessor dag task, it first uses timezone `name`, if non-empty, to get legitimate timezone variable. To achieve this, we need to push down such data into tikv which leads to change the logic of building pushdown request. The logic I mentioned mainly resides in `executor` package.
I change `timeZoneOffset` to `zone` and add second return parameter `name string`. The intentioned of doing this to adopt the convention of `time` package.
For the same purpose, I change `GetTimeZone` to `Location`. As you can see, in `time` package, timezone was bind to `Location`.
## What are the type of the changes (mandatory)?
- Bug fix (non-breaking change which fixes an issue)
## How has this PR been tested (mandatory)?
unit-test
integration-test will be added shortly
2018-07-16 18:15:19 +08:00
3f574d97c9
stats: refactor stats update mechanism ( #6901 )
2018-07-06 11:22:11 +08:00
0ab0b50f25
stats: refine the pseudo condition for stats ( #6565 )
2018-06-27 17:05:37 +08:00
357d5df66b
remove useless alias ( #6473 )
2018-05-05 22:36:54 +08:00
12dbd32854
*: rename NewRange to Range. ( #6368 )
2018-04-25 13:13:04 +08:00
fb8efa5596
*: clean up code for set SQL statement priority, let it bypass plan ( #6328 )
2018-04-21 08:58:24 -05:00
5da8ac0957
*: make session variables control TiKV layer. ( #6322 )
...
And add a system variable `tidb_backoff_lock_fast` to change the backoff base time on read lock.
2018-04-20 16:06:34 +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
0553deeb42
*:improve code readability and unified aliases ( #5997 )
2018-03-15 10:52:36 +08:00
6a826fd0aa
*: collect query feedback ( #5909 )
2018-03-12 15:37:09 +08:00
ef9745bb1a
executor: remove Next for AnalyzeExec ( #6012 )
2018-03-12 13:14:39 +08:00
27c65d25bb
executor, distsql: move "requestBuilder" from package "executor" to "distsql" ( #5903 )
2018-02-26 12:46:51 +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
47cbc0bfce
*: remove varsutil package, make Systems a private member of SessionVars ( #5544 )
2018-01-25 01:43:07 -06:00
307e642565
store/tikv: remove WithCancel in copIterator. ( #5701 )
...
Since we already have `finished` channel to make the worker exit, we don't need to select
on `ctx.Done`, instead, we can only select `ctx.Done` in `Next`, and close the `finished` channel.
This avoid the cost to create context by `WithCancel` and select on extra channel.
2018-01-23 17:56:13 +08:00
a2a48b3085
executor: use batch get to speed up LOAD DATA ( #5632 )
...
* use batch get to speed up LOAD DATA
2018-01-19 15:58:00 +08:00
f57b8438bc
table: index.addindices reuse temp buffer ( #5600 )
2018-01-17 05:32:30 -06:00
6fb97e8f25
executor: correct the unsigned pk's behavior. ( #5641 )
2018-01-16 18:21:10 +08:00
18ba3470f6
stats: adjust CM sketch default size ( #5614 )
2018-01-12 14:29:46 +08:00
4136b81c23
*: merge IntColumnRange with NewRange. ( #5591 )
2018-01-10 15:50:58 +08:00
ecbd60c3ff
*: add arguement StatementContext to Encode functions. ( #5566 )
2018-01-06 17:31:08 +08:00
