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f71425b32b
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session: support leader-and-follower for tidb_replica_read (#14761)
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2020-02-14 15:06:58 +08:00 |
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74bc00dfa9
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Improve the performance of WindowExec by using multi-thread hash grouping (#14238)
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2020-01-16 21:04:16 +08:00 |
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d439a57566
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infoschema, util: add table events_statements_summary_by_digest_history (#13813)
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2019-12-09 16:11:49 +08:00 |
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5a589c9994
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planner: consider disk cost in hashJoin (#13246)
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2019-12-03 13:43:19 +08:00 |
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18fbe2d483
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infoschema, util: refresh statement summary table periodically (#13680)
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2019-11-28 15:39:22 +08:00 |
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000c1ba5db
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planner, session: add isolation read with engine type (#12997)
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2019-11-01 15:47:12 +08:00 |
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6fd74f3e4c
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planner: support cost model for tiflash table scan (#12868)
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2019-10-29 16:05:51 +08:00 |
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1a9fcb9c20
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*: replace cost model factor constants with system variable (#12367)
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2019-09-30 14:24:07 +08:00 |
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1f922559df
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executor: implement disk-based hash join (#12067)
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2019-09-24 23:23:05 +08:00 |
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e173c7f5c1
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executor: add several sql hint related to session variables (#11809)
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2019-09-17 13:39:16 +08:00 |
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0fbd21c085
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*: replace pessimistic default config option with global variable (#12041)
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2019-09-05 18:32:58 +08:00 |
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523b93651d
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Add follower read support to TiDB (#11347)
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2019-08-16 13:26:17 +08:00 |
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04cd877967
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session, sessionctx: add unit test for sessionctx, session (#10763)
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2019-06-18 15:09:13 +08:00 |
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abd013c82f
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Add tidb_low_resolution_tso session scope variable on master (#10428)
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2019-05-22 21:42:57 +08:00 |
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9630d57c80
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planner/core: make join reorder by dp work (#8816)
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2019-04-28 13:08:46 +08:00 |
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f9c82b531c
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plan: improve row count estimation using column order correlation (#9839)
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2019-04-24 16:19:21 +08:00 |
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2e5f7a4d96
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sessionctx: support fast analyze session control variable. (#10039)
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2019-04-04 13:59:56 +08:00 |
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ffc97a7d04
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sessionctx: add time zone check (#9822)
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2019-03-30 12:47:45 +08:00 |
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c451f00814
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*: fix utf8 charset upgrade compatibility (#9820)
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2019-03-25 18:06:32 +08:00 |
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5ed3553bfb
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*: check more errors in test. (#9859)
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2019-03-24 16:16:46 +08:00 |
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a8664ef00b
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table: add a http api to control whether tidb check inserting 4 bytes in utf8 charset column (#9024)
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2019-02-18 16:57:03 +08:00 |
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858b200e9a
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variable: remove tidb_ddl_reorg_worker_cnt and tidb_ddl_reorg_batch_size session level. (#8941)
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2019-01-10 15:12:22 +08:00 |
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084aa5a030
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config: add initChunkSize config item, make chunk start with 32 (#8480)
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2019-01-07 11:14:47 +08:00 |
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bd69b15e79
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*: add the error check (#8770)
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2018-12-24 22:22:00 +08:00 |
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cd7e27d6ee
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sessionctx: Set foreign_key_checks = OFF (#8358)
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2018-11-26 21:57:30 +08:00 |
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693ff90193
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[cherry-pick]*: add a variable to control whether we can write _tidb_rowid (#8187)
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2018-11-05 22:45:32 +08:00 |
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5831de291d
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*: enable range typed table partition (#8011)
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2018-10-26 20:04:07 +08:00 |
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89dda9d9a8
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*: move parser to a separate repository (#8036)
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2018-10-25 11:12:10 +08:00 |
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75d6a3ee9e
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executor, sessionctx: calculate radix bit number before building hash table (#7816)
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2018-10-09 13:48:11 +08:00 |
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30e3e9e0ff
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*: set the proper customized timezone (#7372)
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2018-08-16 23:54:12 +08:00 |
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51e86a3f4b
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variable: modify default max chunk size to 32 (#7358)
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2018-08-11 11:16:15 +08:00 |
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a5af7a0e1f
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*: remove variable 'tidb_import_data' and rename SessionVars.ImportingData to LightningMode (#7262)
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2018-08-03 10:00:03 +08:00 |
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e3ba021f5a
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*: make system variable 'group_concat_max_len' work (#7080)
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2018-07-26 20:02:56 +08:00 |
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437933d449
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sessionctx, executor: Add correctness check when set system variables (#7117)
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2018-07-24 18:49:15 +08:00 |
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e837e4b81c
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*: add a session variable for table partition, tiny update (#6913)
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2018-06-28 12:50:01 +07:00 |
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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
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2018-06-27 22:36:18 +08:00 |
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3d7528cbb3
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*: add tidb_hashagg_partial/final_concurrency (#6831)
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2018-06-14 10:17:08 +08:00 |
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0ab1b228c0
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config, variable: add memory quota config for a query (#6788)
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2018-06-12 13:08:28 +08:00 |
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39a8d0eb7a
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executor: support parallel projection (#6323)
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2018-06-07 22:50:54 +08:00 |
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6f655593b5
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sessionctx: make tidb_build_stats_concurrency global (#6558)
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2018-05-18 18:45:47 +08:00 |
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e215e93948
|
*: provide a configurable tidb_retry_limit session variable (#6369)
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2018-05-03 19:52:53 +08:00 |
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60a9ff5f93
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variable: group same kind of variables into structs. (#6297)
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2018-04-17 19:49:12 +08:00 |
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8777db2d98
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session: add session variable tidb_optimizer_selectivity_level. (#6289)
|
2018-04-16 21:48:37 +08:00 |
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88a6a0de38
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variable: set default hash join concurrency in NewSessionVars (#6295)
|
2018-04-16 20:15:49 +08:00 |
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3e1a8ed36d
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executor, infoschema: return a pseudo profiling table when system var profiling is set to 1 (#5960)
try fix mysql compability
|
2018-03-06 18:06:03 +08:00 |
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12a1a254fc
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config,distsql: add config for coprocessor streaming feature (#5917)
|
2018-02-28 21:36:22 -06:00 |
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8cc9e45f41
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variable,printer: add a session variable to show configuration. (#5784)
|
2018-02-05 22:54:41 +08:00 |
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47cbc0bfce
|
*: remove varsutil package, make Systems a private member of SessionVars (#5544)
|
2018-01-25 01:43:07 -06:00 |
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