Commit Graph

236 Commits

Author SHA1 Message Date
5baedaa21c expression, types: fix some corner case when parsing string to datetime (#7701) 2018-10-08 10:35:52 +08:00
6ef7db512c sessionctx: Change pfs default to OFF (#7788) 2018-09-27 11:15:01 +08:00
e79bd946ed *: change package name from plan to planner (#7760) 2018-09-25 11:16:39 +08:00
038ac639ba expression: ECB/CBC modes with 128/192/256-bit key length for AES (#7425) 2018-09-23 22:09:02 +08:00
334e9254d3 *: add a variable to force statement priority of TiDB server (#7694) 2018-09-20 23:48:40 +08:00
8a1847e8ae Added hostname sysvar, fixes #7740 (#7750) 2018-09-20 12:24:34 +08:00
d47e303887 executor,sessionctx:Add correctness for system variable: sync_binlog,… (#7716) 2018-09-17 14:58:46 +08:00
29441950a3 *: write system timezone into mysql.tidb in bootstrap stage. (#7638) 2018-09-14 22:15:00 +08:00
cb03f2bec1 move from juju/errors to pkg/errors (#7151) 2018-09-12 15:42:20 +08:00
74a6dddfd0 stats: auto analyze on certain period of a day (#7570) 2018-09-05 16:37:53 +08:00
87c54b2610 plan, statistics: maintain HistColl in DataSource's StatsInfo (#7385) 2018-08-31 01:14:43 +08:00
d5ab70cfdf executor,sessionctx: Add correctness for more system variables (#7196) 2018-08-19 14:55:15 +08:00
30e3e9e0ff *: set the proper customized timezone (#7372) 2018-08-16 23:54:12 +08:00
5fbf5ce613 util/mock: optimize mock.NewContext (#7411) 2018-08-16 14:51:52 +08:00
87625923e0 sessionctx: supports set character_set_results = null (#7353) 2018-08-12 00:31:01 +08:00
51e86a3f4b variable: modify default max chunk size to 32 (#7358) 2018-08-11 11:16:15 +08:00
3e8815f960 variable: Change the default value of charset/collation to utfbmb4/utf8mb4_bin (#7198) 2018-08-10 10:41:56 +08:00
359df6ecc2 variable, ddl: add session variable 'tidb_ddl_reorg_priority' to set operation priority of ddl reorg (#7116) 2018-08-08 17:16:05 +08:00
a5af7a0e1f *: remove variable 'tidb_import_data' and rename SessionVars.ImportingData to LightningMode (#7262) 2018-08-03 10:00:03 +08:00
2fee494295 executor, sessionctx: fix set tidb_general_log=0 error (#7186) 2018-07-30 17:44:12 +08:00
f4f1692fd1 *: remove FromID from expression.Column (#7157) 2018-07-30 11:06:02 +08:00
e3ba021f5a *: make system variable 'group_concat_max_len' work (#7080) 2018-07-26 20:02:56 +08:00
2fba9931c7 *: remove DatumRow (#7165) 2018-07-26 19:42:58 +08:00
437933d449 sessionctx, executor: Add correctness check when set system variables (#7117) 2018-07-24 18:49:15 +08:00
43f0c1ee70 ddl: add slow operations log to add indices, make trouble shooting easier. (#7060) 2018-07-17 09:42:58 +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
63c4562c27 *: remove non-prepared plan cache (#7040)
* *: remove non-prepared plan cache

non-prepared plan cache is not usable if we can only do full string match.
And further development doesn't worth the effort.
2018-07-13 18:15:05 +08:00
490af37d1e *: add scope check when get system variables (#6958) 2018-07-03 17:12:18 +08:00
2292844f34 *: support session variable 'warning_count' and 'error_count' (#6945) 2018-07-02 19:00:24 +08:00
e837e4b81c *: add a session variable for table partition, tiny update (#6913) 2018-06-28 12:50:01 +07:00
6851878b9b *: add session var 'tidb_ddl_reorg_worker_cnt' to control ddl reorg workers count (#6441)
* *: add session var 'tidb_ddl_reorg_worker_cnt' to control ddl reorg workers count
2018-06-27 22:36:18 +08:00
0ab0b50f25 stats: refine the pseudo condition for stats (#6565) 2018-06-27 17:05:37 +08:00
0fbb980f9b stats: refine stats delta update (#6808) 2018-06-26 13:51:23 +08:00
8bec188b6a session: add a global/session variable 'tidb_disable_txn_auto_retry' (#6872) 2018-06-21 17:26:14 +08:00
3d7528cbb3 *: add tidb_hashagg_partial/final_concurrency (#6831) 2018-06-14 10:17:08 +08:00
0ab1b228c0 config, variable: add memory quota config for a query (#6788) 2018-06-12 13:08:28 +08:00
39a8d0eb7a executor: support parallel projection (#6323) 2018-06-07 22:50:54 +08:00
7314bdc69c session: support tso when use tidb_snapshot (#6749) 2018-06-06 12:47:06 +08:00
2219be27c5 sessionctx: make tidb_max_chunk_size as a global variable (#6585) 2018-05-22 16:45:57 +08:00
6f655593b5 sessionctx: make tidb_build_stats_concurrency global (#6558) 2018-05-18 18:45:47 +08:00
57c010148a update default analyze ratio and pseudo estimate ratio (#6517)
If pseudo estimate ratio is greater or equal to analyze ratio, there would be a gap time the
table use pseudo stats to build plan.
2018-05-09 20:18:51 +08:00
8d345cd09a *: open auto analyze and stats feedback by default (#6500) 2018-05-08 19:18:50 +08:00
702f210473 make tidb_opt_insubquery_unfold global (#6482) 2018-05-07 21:15:08 +08:00
23e8c6e12b *: add a system variable auto_analyze_ratio (#6455) 2018-05-04 10:54:30 +08:00
e215e93948 *: provide a configurable tidb_retry_limit session variable (#6369) 2018-05-03 19:52:53 +08:00
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
60a9ff5f93 variable: group same kind of variables into structs. (#6297) 2018-04-17 19:49:12 +08:00
8777db2d98 session: add session variable tidb_optimizer_selectivity_level. (#6289) 2018-04-16 21:48:37 +08:00
88a6a0de38 variable: set default hash join concurrency in NewSessionVars (#6295) 2018-04-16 20:15:49 +08:00
9fbf8a6637 stats: dynamically update the average column size (#6170) 2018-04-13 16:31:43 +08:00