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Cp mv for master - #72

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windtalker wants to merge 105 commits into
cp_mv_for_master_basefrom
cp_mv_for_master
Open

Cp mv for master#72
windtalker wants to merge 105 commits into
cp_mv_for_master_basefrom
cp_mv_for_master

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@windtalker

@windtalker windtalker commented Jul 22, 2026

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What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:

What changed and how does it work?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No need to test
    • I checked and no code files have been changed.

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

wjhuang2016 and others added 30 commits February 5, 2026 07:41
@wjhuang2016
pkg/meta: store mview/mlog dependency metadata in TableInfo (pingcap#…
f3af7d5 
…66023)

ref pingcap#18023, ref pingcap#65936
@wjhuang2016
pkg/session: bootstrap mview refresh/purge system tables (pingcap#66024)
e0d58ec 
ref pingcap#18023, ref pingcap#65936
@wjhuang2016
*: add materialized view DDL syntax (pingcap#66022)
96a16b2 
ref pingcap#18023, ref pingcap#65936
@wjhuang2016
executor: support CREATE MATERIALIZED VIEW LOG (pingcap#66080)
d56cc85 
ref pingcap#18023, ref pingcap#65936
@xzhangxian1008
*: Cherry-pick pr-66089 into materialized_view branch (pingcap#66163)
6fb3636 
ref pingcap#66061
@wfxr
table,executor: sync base-table DML to materialized-view log tables (p…
1587a90 
…ingcap#66204)

ref pingcap#18023
@lcwangchao
table, sessionctx: fix bug where mlog consumes reserved row IDs from …
b476f8f 
…base table (pingcap#66246)

close pingcap#66245
@ti-chi-bot
planner, executor: support nulleq for IndexJoin and `IndexHashJoi…
581718f 
…n` (pingcap#66017) (pingcap#66199)

close pingcap#66016
@windtalker
*: add aggregate function sum_int (pingcap#66085)
6ac0a2f 
ref pingcap#66124
@wjhuang2016
pkg/ddl: include base table id for create mlog MDL table ids (pingcap…
f7f7e7f 
…#66266)

ref pingcap#66245
@wjhuang2016
executor: support CREATE/DROP MATERIALIZED VIEW (pingcap#66083)
a76fec7 
ref pingcap#18023, ref pingcap#65936
@winoros
*: sync AGENTS/.gitignore and Bazel helper updates from master (pingc…
800fad3 
…ap#66308)

ref pingcap#63847, ref pingcap#66115
@windtalker
ddl, executor: fix CREATE MATERIALIZED VIEW validation (pingcap#66316)
76ef4ad 
ref pingcap#18023
@windtalker
*: backport _tidb_commit_ts support for unistore cop request (pingcap…
4bd6806 
…#66325)

ref pingcap#66061
@windtalker
ddl: allow SET TIFLASH REPLICA on MV-dependent base tables (pingcap#6…
0f22124 
…6328)

ref pingcap#66022
@windtalker
ddl: prewrite mv refresh info before init build (pingcap#66330)
7fe4ee1 
ref pingcap#18023, ref pingcap#65936
@windtalker
pkg/session, pkg/ddl, pkg/executor: update mview/mlog system table sc…
a203693 
…hemas (pingcap#66341)

ref pingcap#18023, ref pingcap#65936
@winoros
expression/aggregation: support sum_int in NewDistAggFunc (pingcap#66360
0495643 
)

ref pingcap#66085
@windtalker
session, executor: update mview system table schema (pingcap#66382)
d5ca612 
ref pingcap#18023
@gengliqi
*: add aggregate function min_count/max_count (pingcap#66250)
78096e1 
ref pingcap#66124
@windtalker
pkg/ddl, pkg/executor: validate MV START WITH/NEXT expr type and remo…
e8829b0 
…ve defaults (pingcap#66383)

ref pingcap#18023
@winoros
*: refine AGENTS.md style and wording guidance (pingcap#66556) (pingc…
a36d838 
…ap#66558)

ref pingcap#63847
@windtalker
ddl, executor: derive MV NEXT_TIME in create flow with safe eval sess…
b06308c 
…ion (pingcap#66555)

ref pingcap#18023
@wjhuang2016
pkg/ddl, pkg/parser, pkg/executor: support pre-split options for crea…
58bba0d 
…te materialized view (pingcap#66286)

close pingcap#18023
@windtalker
*: basic mv refresh support (pingcap#66385)
c0cdf05 
ref pingcap#18023
@wfxr
planner, executor, sessionctx: reject explicit dml on mview / mlog ta…
3b8b6e4 
…bles (pingcap#66396)

ref pingcap#18023
@yibin87
*: Cherry pick topsql adding network field to feature branch (pingcap…
e5fdd57 
…#66290)

close pingcap#62920
@wfxr
planner: block UPDATE/DELETE on mview/mlog via point-get fast path (p…
85f88a3 
…ingcap#66805)

close pingcap#66779
@joechenrh
importer: add disk quota support for IMPORT INTO SELECT FROM (pingcap…
7185487 
…#66902)

ref pingcap#18023
@windtalker
*: support mv log purge (pingcap#66660)
6f30915 
ref pingcap#18023
windtalker and others added 30 commits June 17, 2026 08:20
@windtalker
ddl, parser, mvservice: support ALERT ROWS for materialized view logs (…
6d14c9d 
…pingcap#69278)

ref pingcap#18023
@windtalker
executor: support compare materialized view (pingcap#69297)
5018ef0 
ref pingcap#18023
@windtalker
parser, ddl: allow clearing materialized view log purge schedule (pin…
d2dc23f 
…gcap#69280)

ref pingcap#18023
@gengliqi
executor: use baseQuery as build side for compare materialized view (…
2e489b0 
…pingcap#69312)

ref pingcap#18023
@windtalker
planner, executor: rename MV delta sides (pingcap#69307)
c420736 
ref pingcap#18023
@xzhangxian1008
ddl: forbid the creation of mlog for unsupported column type (pingcap…
f145795 
…#68997)

close pingcap#66757
@xzhangxian1008
ddl: forbid the creating of mlog on partition base table (pingcap#68903)
e7a30c7 
close pingcap#66778
@xzhangxian1008
ddl: forbid unique indexes on materialized view (pingcap#68911)
4769ef4 
close pingcap#66777
@xzhangxian1008
ddl: throw error when setting mlog and mv as target to create materia…
552472a 
…lized view log (pingcap#68948)

close pingcap#66770
@xhebox
test: cover materialized view log on generated column (pingcap#68082)
b441fe3 
ref pingcap#66757
@xzhangxian1008
ddl: forbid to set system table as mlog target and unify the error in…
a8bc88b 
…fo for unsupported object types (pingcap#68969)

close pingcap#66769
@windtalker
ddl, parser: support IF EXISTS for dropping materialized views (pingc…
7c01d98 
…ap#69351)

close pingcap#66818
@xzhangxian1008
ddl: avoid the upgrade of column type from TEXT to MEDIUMTEXT in MLog…
d96dfd0 
… internal table (pingcap#69356)

close pingcap#66754
@windtalker
ddl: allow comment-only modify on materialized view base columns (pin…
0fd4796 
…gcap#69391)

close pingcap#66836
@xzhangxian1008
ddl: limit COMMENT strings length when creating materialized view (pi…
597952c 
…ngcap#68944)

close pingcap#66776
@windtalker
*: slow query skip purge statement (pingcap#69462)
42d9a02 
ref pingcap#18023
@windtalker
mvservice: force status indexes for history cleanup (pingcap#69496)
2ad2da6 
ref pingcap#18023
@winoros
planner: bind MV MIN/MAX fast refresh lookup to supporting index (pin…
14ec596 
…gcap#69490)

close pingcap#69486
@windtalker
executor: collect stats delta for mlog purge (pingcap#69510)
8aff906 
ref pingcap#18023
@0xPoe
statistics: skip MV log tables in auto analyze priority queue (pingca…
6645850 
…p#69519)

ref pingcap#69516
@windtalker
planner: estimate mlog commit ts filter selectivity (pingcap#69445)
3c11363 
ref pingcap#18023
@windtalker
mvservice, variable: schedule mlog analyze in MV service (pingcap#69516)
46f2873 
ref pingcap#18023
@solotzg
executor: avoid exposing materialized view cancel job state (pingcap#…
190c9d5 
…69555)

close pingcap#69432
@solotzg
executor: update error messages for materialized view log creation pr…
c9fd6dd 
…ivileges (pingcap#69578)

close pingcap#69431
@windtalker
planner: collect predicate columns for MV maintenance SQL (pingcap#69596
19544ab 
)

close pingcap#69575
@windtalker
metrics, mvservice: refine MV service metrics by component (pingcap#6…
b1568c2 
…9737)

ref pingcap#18023
@windtalker
mview: improve refresh observability and mlog purge delete (pingcap#6…
1757537 
…9758)

ref pingcap#18023
@windtalker
mvservice: refine MV refresh alert checking (pingcap#69808)
06030b2 
ref pingcap#18023
@windtalker
executor,mvservice: avoid memory retention in MV maintenance SQL (pin…
7d7b687 
…gcap#69778)

ref pingcap#18023
@solotzg
mvservice: fix refresh alert checker ownership (pingcap#69849)
6910cef 
close pingcap#69835
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