6ef7db512c
sessionctx: Change pfs default to OFF ( #7788 )
2018-09-27 11:15:01 +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
74a6dddfd0
stats: auto analyze on certain period of a day ( #7570 )
2018-09-05 16:37:53 +08:00
d5ab70cfdf
executor,sessionctx: Add correctness for more system variables ( #7196 )
2018-08-19 14:55:15 +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
437933d449
sessionctx, executor: Add correctness check when set system variables ( #7117 )
2018-07-24 18:49:15 +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
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
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
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