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Commits on Aug 6, 2020

• fix pessimistic check (pingcap#19004)

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  cfzjywxk

  and

  ti-srebot

  authored
  574540a

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• transaction: fix union select for update race (pingcap#19006)

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  coocood

  and

  ti-srebot

  authored
  b363937

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Commits on Aug 3, 2020

• *: use the newly designed memdb (pingcap#18657)

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  3 peopleauthored
  d0639b0

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• executor: fix wrong result for update ignore (pingcap#18936)

  lysu

  authored
  9d77d7f

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Commits on Jul 31, 2020

• sessionctx: Make it possible to set allow_auto_random_explicit_insert as global (pingcap#18896)

  

  Kolbe Kegel

  authored
  a50fbab

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• transaction: lazy check not exists error for pessimistic transaction (pingcap#18877)

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  coocood

  and

  ti-srebot

  authored
  a63fa79

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Commits on Jul 27, 2020

• executor: implement parallel apply (pingcap#18044)

  qw4990

  authored
  f6ef1c3

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• planner, executor: support broadcast join for tiflash engine. (pingcap#17232)

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  4 peopleauthored
  29178df

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Commits on Jul 15, 2020

• log: add tidb_log_desensitization global variable to control whether do desensitization when log query (pingcap#18578)

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  crazycs520

  authored
  297acf7

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• kv: refactor MemBuffer and reduce the memory usage (pingcap#18372)

  

  Zejun Li

  authored
  761a961

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• telemetry: disable telemetry by default for non-community edition (pingcap#18524)

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  HunDunDM

  authored
  8a6554a

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• sessionctx: future proof tidb-specific comment (pingcap#18491)

  

  Null not nil

  authored
  53b7306

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Commits on Jul 13, 2020

• config: enable collect execution information by default (pingcap#18415)

  crazycs520

  authored
  5574e1a

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• executor: add deprecation warning for hash_join_concurrency (pingcap#18453)

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  niedhui

  authored
  b122d58

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• executor: make the format of the DB field in slow logs be compatible with MySQL (pingcap#18389)

  qw4990

  authored
  6a7ba4a

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Commits on Jul 10, 2020

• multi-query prefetch support pessimistic transaction (pingcap#18439)

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  coocood

  and

  ti-srebot

  authored
  8a66104

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Commits on Jul 8, 2020

• executor: make hashjoin using executor_concurrency (pingcap#18213)

  niedhui

  authored
  2dfae98

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Commits on Jul 6, 2020

• executor: make the format of user and host fields in slow logs be compatible with MySQL (pingcap#18162)

  qw4990

  authored
  ef8ad55

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Commits on Jul 1, 2020

• planner, add hint nth_plan(x) to help user force a plan (pingcap#17850)

  danmay319

  authored
  dce0e45

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Commits on Jun 29, 2020

• *: allow different shard_row_id prefixes in one transaction (pingcap#18181)

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  Zejun Li

  and

  tangenta

  authored
  4eb9d83

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Commits on Jun 27, 2020

• charset: add missing ascii check(pingcap#18193)

  xhebox

  authored
  773b291

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Commits on Jun 24, 2020

• telemetry: Add telemetry initial implementation (pingcap#18180)

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  4 peopleauthored
  3b63270

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• sessionctx/variable: open batch_cop for tiflash by default (pingcap#18190)

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  hanfei1991

  and

  ti-srebot

  authored
  8a36528

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Commits on Jun 22, 2020

• executor: unify executor concurrency (pingcap#16999)

  niedhui

  authored
  c98514e

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Commits on Jun 18, 2020

• *: support record kv/pd time for a SQL statement (pingcap#17591)

  lysu

  authored
  c2c02cd

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Commits on Jun 17, 2020

• executor: add the cache for apply executor (pingcap#17039)

  Reminiscent

  authored
  ad598e4

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Commits on Jun 12, 2020

• test: fix data race caused by update global config (pingcap#17964)

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  coocood

  and

  sre-bot

  authored
  a8da23c

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Commits on Jun 11, 2020

• driver: fix auto_random keyword regex (pingcap#17915)

  liuzix

  authored
  b4836c1

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Commits on Jun 10, 2020

• sessionctx: add optimization-time and wait-TS-time into the slow log (pingcap#17869)

  qw4990

  authored
  405a5d0

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Commits on Jun 9, 2020

• sessionctx: add some information about the rewriting phase into the slow log (pingcap#17569)

  qw4990

  authored
  0ec197f

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Commits on Jun 5, 2020

• ddl, sessionctx: make auto_random aware of auto_increment_increment (pingcap#17575)

  tangenta

  authored
  2a2c93b

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• *: add global variable tidb_slow_log_masking to control masking slow log query (pingcap#17637)

  crazycs520

  authored
  35e2d3a

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Commits on Jun 2, 2020

• planner: support sql_select_limit session / global variable (pingcap#17444)

  hanfei1991

  authored
  d53336b

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• ddl, variable: add system variable to control Clustered Index feature (pingcap#17561)

  coocood

  authored
  3adb557

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Commits on May 26, 2020

• sessionctx,infoschema,executor,util: Show disk usage of a query in slow query and statement summary (pingcap#17132)

  hidehalo

  authored
  55d9d6c

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