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
8777db2d98
session: add session variable tidb_optimizer_selectivity_level. ( #6289 )
2018-04-16 21:48:37 +08:00
e2b033d1c0
*: add a tidb system variable tidb_hash_join_concurrency ( #6244 )
2018-04-12 20:28:19 +08:00
582e33a0e4
*: use tidb_index_lookup_join_currency to control the number of IndexLookupJoin inner workers ( #6240 )
2018-04-10 10:05:00 +08:00
6287cfb8c2
*: modify 'session transaction isolation level' to take effect once ( #6175 )
2018-04-04 18:39:44 +08:00
83066fc954
executor: track memory usage for nested loop apply ( #6171 )
2018-04-02 13:54:12 +08:00
491f58d7d8
executor: track memory usage for merge join ( #6172 )
2018-03-31 17:17:23 +08:00
564e8896df
executor: track memory usage of index lookup join ( #6169 )
2018-03-30 10:48:11 +08:00
6f43b37572
Add admin checksum table command ( #6067 )
2018-03-20 20:46:43 +08:00
4886dcb1c4
executor: track the memory usage of IndexLookUpExecutor ( #6009 )
2018-03-20 12:55:12 +08:00
65440001d9
set explicit_defaults_for_timestamp to ON ( #6068 )
2018-03-15 14:40:10 +08:00
ad814b0d6c
executor, util: employ memory Tracker to track memory usage during query execution ( #5826 )
2018-03-06 11:02:09 +08:00
12a1a254fc
config,distsql: add config for coprocessor streaming feature ( #5917 )
2018-02-28 21:36:22 -06:00
d9934935ca
*: set have_profiling to NO ( #5907 )
...
Fixes issue #5666
2018-02-26 15:30:50 +08:00
8cc9e45f41
variable,printer: add a session variable to show configuration. ( #5784 )
2018-02-05 22:54:41 +08:00
dffc8c974d
executor, parser: treat tx_isolation, transaction_isolation or tx_read_only, transaction_read_only as synonyms variable ( #5700 )
2018-01-22 23:15:17 +08:00
c5c0714cde
executor, sessionctx, util: log a warning when memory usage of HashJoinExec exceed threshhold ( #5658 )
2018-01-18 11:14:25 +08:00
096190775e
session: add session variable to log query string. ( #5633 )
...
Use an atomic global variable to control the switch to log query.
And the query is logged before execution.
2018-01-16 10:12:51 +08:00
36d9b61365
*: AddIndex skip checking unique constraint when TiDB is importing data. ( #5535 )
2018-01-02 20:08:49 +08:00
100bc58a83
parser, variable: fix #5478 , make 'set transaction read only' works. ( #5483 )
2017-12-25 21:36:15 +08:00
7995346d8d
*: clean up and some file renaming. ( #5440 )
2017-12-18 23:24:25 +08:00
65b2b0d452
*: Set the batch delete/insert size by session variable ( #5413 )
...
We hardcode it to 20k. But if the row size is large. It will still break
the transaction size limitation. So we need to provide a way to set it
dynamicially.
2017-12-17 21:11:18 -06:00
714b68c568
*: improve performance of show variables ( #5297 )
2017-12-05 19:23:52 +08:00
4c904639cf
*: add a session variable to control max chunk size ( #5233 )
2017-11-28 10:41:22 +08:00
b7c722aab6
Support SQLMode ONLY_FULL_GROUP_BY and fix a join panic bug ( #4613 )
2017-11-06 10:53:29 +08:00
545ceb7aec
*: close agg push down by default and remove cbo switch ( #4696 )
2017-09-30 13:43:21 +08:00
879437475f
plan: refine return type, charset and collation for 'get variable' expression ( #4550 )
2017-09-19 14:52:19 +08:00
31a48f8d75
server: SSL/TLS support ( #3716 )
2017-09-07 13:36:28 +08:00
31edc09341
Add a system variable to enable automatic split delete data into batches. ( #4256 )
...
* *: Batch delete data
2017-08-21 10:37:24 +08:00
96c3ff7c2f
*: add variable to control batch size of index join ( #4028 )
2017-08-04 14:53:05 +08:00
8a1e93bc8e
*: add cbo switch. ( #3877 )
2017-08-03 19:28:17 +08:00
439a47c092
sysvar: fix license ( #3460 )
...
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp >
2017-06-12 20:53:55 +08:00
7b6e4475b3
variable: add a varaible to read current timestamp ( #3400 )
2017-06-06 07:27:30 +08:00
62450b9024
Use etcd to speed up DDL process
...
Add the mock owner-manager and schema-syncer and enable using etcd to speed up DDL process by default.
2017-06-04 10:00:41 +08:00
83a40db1fa
sessionctx/variable: add default value of Password Validation Variables ( #3251 )
2017-05-15 12:41:24 +08:00
6715099b44
sessionctx: @@version return wrong value ( #3232 ) ( #3238 )
2017-05-11 00:06:09 +08:00
0d83936ef3
sessionctx: fix comments warning in sessionctx ( #3192 )
2017-05-04 10:23:15 -05:00
a7f4c3dd5e
sessionctx/varsutil: fix parse time_zone '-6:00' ( #3165 )
...
Fix a parse bug that negative sign is not take into consideration.
2017-05-02 11:25:15 +08:00
93f4780f40
plan: add variable countReliable to physicalPlanInfo ( #3011 )
2017-04-24 17:07:31 +08:00
e068663cdc
Auto split insert data into multiple batches. ( #2958 )
...
Add a sysvar to enable batch insert data and disable batch insert in transaction.
2017-03-30 14:57:55 +08:00
6aa45e441c
Make index serial scan concurrency configurable and fix golint errors. ( #2928 )
2017-03-27 00:57:19 +08:00
ed56d82fa7
sessionctx/variable: refine TiDB specific system variables. ( #2915 )
2017-03-24 12:57:33 +08:00
7aa024c9a0
*: add UTF8 check global variable. ( #2899 )
2017-03-23 08:56:21 +08:00
60bcd987d5
plan/statistics: concurrent build columns ( #2713 )
2017-03-22 22:16:45 +08:00
a408b86269
*: support in subquery unfolding ( #2816 )
2017-03-16 14:26:34 +08:00
42cd9ac552
*: add flag to control agg push down ( #2809 )
2017-03-10 20:43:08 +08:00
6b2ac5ad0d
variable: Enlarge default value for max_allowed_packet ( #2652 )
...
* variable: Enlarge default value for max_allowed_packet
2017-02-15 09:27:49 -06:00
