*: fix the flen type datetime for union/case-when/control-funcs #30588

bestwoody · 2021-12-09T10:04:48Z

What problem does this PR solve?

Issue Number: close #29498

Problem Summary:

What is changed and how it works?

Check List

Tests

Unit test
Integration test
Manual test (add detailed scripts or steps below)
No code

Side effects

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

Documentation

Release note

bugfix: concat(ifnull(time(3)) returns different results from MySQL

#29498

ti-chi-bot · 2021-12-09T10:04:49Z

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XuHuaiyu
windtalker

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bestwoody · 2021-12-09T10:10:08Z

/cc @XuHuaiyu

bestwoody · 2021-12-09T10:10:22Z

/cc @windtalker

bestwoody · 2021-12-09T10:10:31Z

/cc @fuzhe1989

bestwoody · 2021-12-09T10:24:08Z

/run-check_dev_2

bestwoody · 2021-12-09T10:24:09Z

/run-check_dev_2

XuHuaiyu · 2021-12-10T07:18:30Z

executor/executor_test.go

+	res = tk.MustQuery("SELECT IFNULL(t3, d) AS col1 FROM t29498_t1;")
+	for _, row := range res.Rows() {
+		c.Assert(len(row), Equals, mysql.MaxDatetimeWidthNoFsp+3+1)
+		c.Assert(row[len(row)-12:], Equals, "00:00:00.567")


res.Check(testkit.Rows("00:00:00.567"))

Because the prefix subtring is undefined when Time convert into Datetime. So better not check the whole row，but the postfix.

windtalker · 2021-12-13T02:09:26Z

expression/builtin_control.go

@@ -155,6 +155,12 @@ func InferType4ControlFuncs(ctx sessionctx.Context, funcName string, lexp, rexp
 		if resultFieldType.Tp == mysql.TypeEnum || resultFieldType.Tp == mysql.TypeSet {
 			resultFieldType.Tp = mysql.TypeVarchar
 		}
+	} else if resultFieldType.Tp == mysql.TypeDatetime {
+		maxDecimal := mathutil.Max(lhs.Decimal, rhs.Decimal)
+		resultFieldType.Flen = mysql.MaxDatetimeWidthNoFsp + mathutil.Max(lhs.Decimal, rhs.Decimal)


resultFieldType.Decimal is not set, is it the expected behavior?

FieldType.Flen = mysql.MaxDatetimeWidthNoFsp + mathutil.Max(lhs.Decimal, rhs.Decimal) => resultFieldType.Flen = mysql.MaxDatetimeWidthNoFsp + maxDecimal

Why need to adjust the flen after types.AggFieldType, is it possible to set flen correctly inside types.AggFieldType

yes, resultFieldType.Decimal is correct

ok

this place will be safer and avoid post-change-after-fix, so we can see other type checks here.

I don't understand why Datetime type does not need to set Decimal, AFAIK, the decimal of type Datetime is 0, and the decimal of type Datetime(3) is 3.

Other type checks check the EvalType here, not the field type, I think types.AggFieldType should guarantee that its result's flen and decimal is set correctly.

I don't understand why Datetime type does not need to set Decimal, AFAIK, the decimal of type Datetime is 0, and the decimal of type Datetime(3) is 3.

Other type checks check the EvalType here, not the field type, I think types.AggFieldType should guarantee that its result's flen and decimal is set correctly.

1.Decimal is correct, the bug caused incorrent length. The decimal is correctly computed by max(lhs.decimal, rhs.decimal) in previous code.
2. resultEvalType := resultFieldType.EvalType(). since we need ensure the resultFieldType.Tp is DateTime neither Time nor Date. so resultFieldType.Tp is used here not resultFieldType.EvalType(). I agree that “types.AggFieldType should guarantee that its result's flen and decimal is set correctly.” But it is complicated, the bug is about the order of execute flow path, types.AggFieldType itself is correct, totally change the order of execute flow path may be dangerous. I think this little change to fix may be sufficient.

bestwoody · 2021-12-13T03:36:39Z

/run-unit-test

bestwoody · 2021-12-17T04:01:47Z

Looks like the returned bool value is useless.

removed

windtalker

LGTM

bestwoody · 2021-12-17T04:11:21Z

/merge

ti-chi-bot · 2021-12-17T04:11:23Z

@bestwoody: /merge is only allowed for the committers, you can assign this pull request to the committer in list by filling /assign @committer in the comment to help merge this pull request.

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/merge

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XuHuaiyu · 2021-12-17T04:13:19Z

/merge

ti-chi-bot · 2021-12-17T04:13:22Z

This pull request has been accepted and is ready to merge.

Commit hash: 350c838

bestwoody · 2021-12-17T05:07:22Z

/run-check_dev_2

Signed-off-by: ti-srebot <[email protected]>

ti-srebot · 2021-12-17T05:15:20Z

cherry pick to release-5.0 in PR #30830

Signed-off-by: ti-srebot <[email protected]>

ti-srebot · 2021-12-17T05:16:08Z

cherry pick to release-5.1 in PR #30831

Signed-off-by: ti-srebot <[email protected]>

ti-srebot · 2021-12-17T05:16:54Z

cherry pick to release-5.2 in PR #30832

Signed-off-by: ti-srebot <[email protected]>

ti-srebot · 2021-12-17T05:17:42Z

cherry pick to release-5.3 in PR #30833

…) (#30830) close #29498

* dumpling: fix default collation with upstream when dump database and table (#30292) * ddl: fix the enum default value by triming trailing space (#30356) * expression: migrate test-infra to testify for flag_simplify_test.go (#30407) * server: refine code logic in handleDownloadFile (#30422) * refine logic Signed-off-by: yisaer <[email protected]> * fix Signed-off-by: yisaer <[email protected]> * ddl: migrate test-infra to testify for ddl/table_test.go (#30267) * ddl: handle the error from `addBatchDDLJobs()` correctly (#30401) * br: fix the integration tests (#30423) * util, cmd: remove unused filesort (#30438) * *: update client-go for small backoff time (#30436) * server: Fix unstable tests with FakeAuthSwitch (#30287) * dumpling: fix dump failed when sequence exists (#30164) * *: replace compareDatum by compare (#30421) * lightning: fix gcs max key limit (#30393) * expression, parser: add built-in func is_uuid (#30318) * expression: migrate test-infra to testify for constant_fold_test.go (#30424) * executor: fix pipelined window invalid memory address (#30418) * makefile: add gotestsum for verify ci (#29848) * server: close sql rows to fix unstable test (#30306) * Makefile: add coverage record for BR and Dumpling (#30457) * executor: track the mem usage of IndexMergeReader (#30210) * infosync: close body when ReadAll encounters error (#30462) * planner: show accessed partition when explain mpp query over partition table (#30367) * *: Fix use of user identity in SHOW GRANTS + error messages (#30294) * ddl: add not null flag for auto_increment column (#30477) * expression: make some unstable test serial (#30323) * expression: migrate test-infra to testify for constant_propagation_test.go (#30430) * executor: stable test TestSetDDLReorgBatchSize and TestSetDDLReorgWorkerCnt (#30480) * statistics, util/ranger: add cardinality estimation trace for `GetRowCountBy...` (#30321) * *: skip mysql client goroutine leak detection in integration ddl (#30467) * executor,util: write slow query to slow log no matter what log level (#30461) * executor: enable index_merge used in transaction. (#29875) * logutil: add testcase for SlowQueryLogger.MaxDays/MaxSize/MaxBackups (#30316) * expression: fix data race in builtin_other_vec_generated_test.go (#30503) * expression: fix data race in the collationInfo (#30490) * planner/core, session: fix error message of wrong variable scope (#30510) * lightning: support Re/ReregisterMySQL by different tls name (#30463) * executor: TestBatchGetandPointGetwithHashPartition test typo (#29669) (#29671) * mockstore: improve log to avoid panic for nil pointer (#30513) * *: replace compareDatum by compare, PR 10 (#30456) * planner: Disable dynamic partition prune mode for all non-autocommit (#27532) (#30505) * expression: change the log level of an confusing log from warn to debug (#30484) * br: Check crypter.key valid before backup (#29991) * *: replace compareDatum by compare, PR 11 (#30465) * dumpling: fix default column collation with upstream when dump table (#30531) * server: fix prepared cursor select (#30285) * executor: HashJoinExec checks the buildError even if the probeSide is empty (#30471) * parser, expression: follow mysql, increase interval precedence (#30528) * makefile: set timeout 25m for make race (#30555) * planner: fix the unstable test TestAnalyzeGlobalStatsWithOpts/2 (#30576) * expression,types: Adjusts UNIX_TIMESTAMP() for non-existing DST values (#28739) (#30405) * br: add res.Body.close to avoid leak (#30545) * lightning: add back integration test lightning_error_summary (#30547) * sessionctx/variable: small refactor (split large file) (#30511) * ddl: let `admin cancel ddl jobs` run in a new transaction (#30549) * *: Retry when placement PutBundles failed (#30590) * dumpling: delete unit test in github actions (#30562) * *: support trace plan target='estimation' statement (#30491) * expression: migrate test-infra to testify for integration_test.go (#30548) * planner: support trace for min/max eliminate (#30441) * support min/max trace Signed-off-by: yisaer <[email protected]> * address the comment Signed-off-by: yisaer <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> * br: remove cdclog in br (#30573) * *: show cmd to check if all needed histograms are loaded (#29672) * expression: clone repertoire when clone the scalar function (#30602) * *: use the real StateRemote interface implementation for cached table (#30066) * *: query failed after add index / timestamp out-of-range (#28424) (#29323) * planner: implement collecting predicate columns from logical plan (#29878) * *: show PK name when decoding the clustered index row key (#30623) * ddl/callback_test.go: migrate test-infra to testify (#30317) * *: Rename some names of placement ddl operation (#30622) * executor: fix data race in the index_lookup_hash_join (#30619) * ddl: remove unnecessary locking when adding an index (#29772) * server: try to make `TidbTestSuite` more stable (#30643) * *: Add some PD tests for placement and fix some bug found (#30621) * *: migrate sync.WaitGroup to util.WaitGroupWrapper (#30644) * planner: add trace for join eliminate rule (#30343) * executor: migrate test-infra to testify for executor/shuffle_test.go (#30514) * planner: make (*AccessPath).OnlyPointRange more succinct (#30520) * planner: add trace for join reorder (#30394) * executor: migrate test-infra to testify for executor/union_scan_test.go (#30525) * expression: make cast return error if cast binary literal to another character set (#30537) * *: update tikv client (#30670) * *: update sysutil in go.mod to fix panic when search log (#30523) * topsql: shouldn't evict the SQL meta, since the evicted SQL can be appear on Other components (TiKV) TopN records (#27050) * testify: migrate test-infra to testify for analyze_test.go (#30640) * util: replace compareDatum by compare, point part (#30575) * test: make all the tests run in serial (#30692) * statistics: add mutex for Handle.globalMap and Handle.feedback (#30550) * executor: fix regular expression in json so that it could match identifer start with '$' (#29750) * util/testkit/testkit.go: fix typo (#30638) * planner: Introduce a new global variable to control the historical statistics feature (#30646) * topsql: introduce datasink interface (#30662) * planner: unify the argument of stats functions to use SessionCtx instead of StatementContext (#30668) * metrics: fix the Max SafeTS Gap metrics (#30689) * lightning: Add source dir existence check for s3 (#30674) * golangci-lint: support durationcheck (#30027) * executor: fix data race on IndexHashJoin.cancelFunc (#30701) * sessionctx/variable: change tidb_store_limit to global only (#30522) * statistics: remove reassignment of Handle.pool in NewHandle (#30675) * br: fix some unstable unit test cases. (#30716) * bindinfo: fix the comment typo (#30616) * server: support decoding prepared string args to character_set_client (#30723) * expression: fix enum type join binary get wrong result (#30445) * cmd/explaintest: fix wrong result comparison for explain test (#30717) * parallel create tables in br * metrics: fix copr-cache metrics (#30712) * test: merge executor's serial tests to other tests (#30711) * statistics: avoid deadlock when create/drop extended stats and analyze at the same time (#30566) * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * ddl: typo Co-authored-by: Arenatlx <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: rename to BatchCreateTableWithInfo Signed-off-by: xhe <[email protected]> * ddl: trace the error Signed-off-by: xhe <[email protected]> * ddl: comments Signed-off-by: xhe <[email protected]> * ddl: cancle the job right Signed-off-by: xhe <[email protected]> * ddl: cancel the job right 2 Signed-off-by: xhe <[email protected]> * ddl: report error if entry too large Signed-off-by: xhe <[email protected]> * ddl: report error when table is duplicated Signed-off-by: xhe <[email protected]> * ddl: go fmt Signed-off-by: xhe <[email protected]> * infoschema: improve batch memory perf Signed-off-by: xhe <[email protected]> * ddl: retain ID Signed-off-by: xhe <[email protected]> * sessionctx: fix the value of analyze_version when upgrading 4.x to 5.… (#30743) * ddl: reduce log frequency Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * server: disable socket listener for `basicHTTPHandlerTestSuite` (#30680) * planner: support the plan cache aware of bindings (#30169) * planner: fix early set of plan's statisticsTable (#30754) * *: implement renew write lock lease for cached table (#30206) * *: Modify placement rule index to reserve some indexes for future work (#30737) * executor: add an unit test case for unreasonable invoking Close (#30696) * planner: fix wrong subquery's coercibility (#30750) * executor: add more testcases for index merge (#30497) * server: add grpc server config for a suitable behavior (#30774) * config, charset: make charset config not affected by collation config (#30572) * lightning: emit tidb log by change FilterCore to only allow matched packages (#30700) * topsql: a centralized place to generate tipb report data (#30781) * planner: add trace for partition pruning (#30546) * planner: refine collation handling for between (#30793) * test: merge serial tests in bindinfo, expression, parser and statistics (#30749) * br: update log description for split check (#30763) * *: replace compareDatum by compare, range part (#30710) * *: placement policy ref will be converted to direct options when recover or flashback table (#30705) * ddl: handle the incorrect number of placement followers (#30715) * ddl: revert "ddl: remove unnecessary locking when adding an index" (#30667) * br/pkg/task: migrate test-infra to testify (#30605) * *: fix the flen type datetime for union/case-when/control-funcs (#30588) * types, util: clean up compareDatum (#30815) * ddl: add helper function to set and query TiFlash's sync status (#30473) * dumpling: fix more dumpling log level query template (#30176) * parser: support `admin flush plan_cache` (#30747) * topsql: support multiple datasinks (#30808) * br: update permission, so tikv can write to folder when backup to local (#30396) * session: fix bootstrap to only persist global variables (#30593) close #28667 * docs/design: update collation compatibility issues in charsets doc (#30806) * executor: improve SET sysvar=DEFAULT handling (#29680) close #29670 * br: add error handling for group context cancel when restore file is corrupted (#30190) close #30135 * executor: buildWindow cannot call typeInfer twice (#30773) close #30402 * *: refactor encoding and uniform usages (#30288) * lightning: optimize region split check logic (#30428) close #30018 * br: ignore mock directory when gcov in br (#30586) * *: forbid set tiflash replica count for a placement table (#30844) close #30741 * execute: don't transform charset in internal sql (#30843) close #30789 * planner: update PlanBuilder.windowSpecs when building subquery (#30878) close #30804 * br: fix S3 backup endpoint suffix (#30530) close #30104 * lightning: make pre-check output message clearer (#30439) close #30395 * expression: wrap to_binary and from_binary for cast function's argument (#30706) * executor: fix bug when using IndexMerge in transaction (#30719) close #30685 * ddl: migrate test-infra to testify for ddl/foreign_key_test.go (#30853) close #29103 * expression: fix wrong retType for reverse function (#30829) close #30809 * planner: support trace topn push down (#30800) ref #29661 * github: add issue requirement to pull request template (#30817) close #30814 * fix merge issue * topsql: introduce stmtstats and sql execution count (#30277) * topsql: add pubsub datasink (#30860) * executor: fix the incorrect untouch used in optimistic transactions (#30447) close #30410 * expression, cmd: let crc32() support gbk (#30900) close #30898 * server: Add uptime status var and statistics (#29790) close #8842 * br: error log optimization (#29640) close #27015 * planner: fix wrong collation when rewrite in condition (#30492) close #30486 * planner: add extractor for tikv_region_peers (#30656) * fix issue that loss table restore * lightning: add back table empty check and add a switch config (#30887) close #27919 * br: improve backoff unit test (#30892) * *: add TxnManager to manage txn in session (#30574) * *: add TxnManager to manage txn in session * modify * add tests * move failpoint content to a single file * Makefile: add `t.Parallel` check to ensure tests are run in serial (#30869) * refactoring code * refactoring code * placement: remove isolationlevel (#30859) close #30858 * planner: revise the optimize trace output (#30882) * table: set the datum collation correctly in CastValue() (#30931) close #30930 * *: Use TxnManager.GetTxnInfoSchema() to get the txn infoschema (#30934) close #30933 * parser: add IsValid() to Encoding to speed up string validation for UTF-8 (#30937) close #30936 * planner: rename pstmtPlanCacheXX to PlanCacheXX (#30909) * table/tables: make CI TestCacheTableBasicReadAndWrite more stable (#30924) close #30922 * restore: use new ScatterRegions API (#30899) close #30425 * *: when placement conflicts with tiflash, cancel the job (#30945) * Makefile,tools: make CI great again! (#30828) close #30822 * br/pkg/membuf: remove global buffer pool (#29934) * ddl: add format error for incorrect dict syntax in the placement rule (#30919) close #30454 * planner: fix index merge plan when expr cannot be pushed to tikv (#30341) close #30200 * executor: display 'show create table' and INFOSCHEMA for cached table correctly (#30951) close #30950 * br: extend the timeout for scan region since 3 seconds is not enough (#30889) close #30720 * planner: remove bindSQL from planCacheKey to planCacheValue (#30916) * execution: refine precision of cast as decimal in agg func (#30805) * *: fix data race in the tikv_client (#30964) close #30658 * ddl: migrate test-infra to testify for ddl/db_partition_test.go (#30952) close #28635 * planner: fix `AccessPath.TableFilters` got modified unexpectedly (#30966) close #30965 * test: merge serial tests in ddl, infoschema, session, store, table, telemetry and types (#30874) * executor: fix the returned field count of the prepare statement (#30981) close #30971 * binlog: allow multiple ddl targets (#30904) * planner: trace predicate push down (#30902) ref #29661 * placement: give default 2 followers for non-sugar syntax (#31000) * flatten the json output (#30905) Signed-off-by: yisaer <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> * test: control log level with environment variables (#30871) * planner: add usage of paging copr in optimizer (#30536) close #30578 * test: merge serial tests in cmd, planner, server, util (#31003) * planner: change predicateColumnCollector to columnStatsUsageCollector and collect histogram-needed columns (#30671) * executor: migrate test-infra to testify for distsql_test.go (#31023) close #28574 * remote uncessary package errors * reused the retry code from lightning * refactoring retryable * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * br ddl code * parallel create tables in br * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * ddl: typo Co-authored-by: Arenatlx <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: rename to BatchCreateTableWithInfo Signed-off-by: xhe <[email protected]> * ddl: trace the error Signed-off-by: xhe <[email protected]> * ddl: comments Signed-off-by: xhe <[email protected]> * ddl: cancle the job right Signed-off-by: xhe <[email protected]> * ddl: cancel the job right 2 Signed-off-by: xhe <[email protected]> * ddl: report error if entry too large Signed-off-by: xhe <[email protected]> * ddl: report error when table is duplicated Signed-off-by: xhe <[email protected]> * ddl: go fmt Signed-off-by: xhe <[email protected]> * infoschema: improve batch memory perf Signed-off-by: xhe <[email protected]> * ddl: retain ID Signed-off-by: xhe <[email protected]> * ddl: reduce log frequency Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: remove retainID from the interface Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * executor: fix rebasing problem Signed-off-by: xhe <[email protected]> Co-authored-by: WizardXiao <[email protected]> Co-authored-by: sylzd <[email protected]> Co-authored-by: tison <[email protected]> Co-authored-by: Song Gao <[email protected]> Co-authored-by: Weizhen Wang <[email protected]> Co-authored-by: tangenta <[email protected]> Co-authored-by: 3pointer <[email protected]> Co-authored-by: wjHuang <[email protected]> Co-authored-by: Lei Zhao <[email protected]> Co-authored-by: Daniël van Eeden <[email protected]> Co-authored-by: Jianjun Liao <[email protected]> Co-authored-by: unconsolable <[email protected]> Co-authored-by: Shenghui Wu <[email protected]> Co-authored-by: guo-shaoge <[email protected]> Co-authored-by: Ryan Leung <[email protected]> Co-authored-by: xufei <[email protected]> Co-authored-by: Morgan Tocker <[email protected]> Co-authored-by: Zhou Kunqin <[email protected]> Co-authored-by: 王超 <[email protected]> Co-authored-by: TonsnakeLin <[email protected]> Co-authored-by: Ehco <[email protected]> Co-authored-by: Mattias Jonsson <[email protected]> Co-authored-by: HuaiyuXu <[email protected]> Co-authored-by: Zak Zhao <[email protected]> Co-authored-by: xhe <[email protected]> Co-authored-by: Hangjie Mo <[email protected]> Co-authored-by: Yuanjia Zhang <[email protected]> Co-authored-by: glorv <[email protected]> Co-authored-by: djshow832 <[email protected]> Co-authored-by: Chunzhu Li <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> Co-authored-by: Xiaoju Wu <[email protected]> Co-authored-by: xiongjiwei <[email protected]> Co-authored-by: tiancaiamao <[email protected]> Co-authored-by: Yifan Xu <[email protected]> Co-authored-by: JmPotato <[email protected]> Co-authored-by: Zach <[email protected]> Co-authored-by: bb7133 <[email protected]> Co-authored-by: lvtu <[email protected]> Co-authored-by: crazycs <[email protected]> Co-authored-by: znhh6018 <[email protected]> Co-authored-by: eddie lin <[email protected]> Co-authored-by: dongjunduo <[email protected]> Co-authored-by: Zhenchi <[email protected]> Co-authored-by: wangggong <[email protected]> Co-authored-by: zhangjinpeng1987 <[email protected]> Co-authored-by: Jack Yu <[email protected]> Co-authored-by: Arenatlx <[email protected]> Co-authored-by: Yiding Cui <[email protected]> Co-authored-by: Chengpeng Yan <[email protected]> Co-authored-by: bestwoody <[email protected]> Co-authored-by: Calvin Neo <[email protected]> Co-authored-by: Lynn <[email protected]> Co-authored-by: Zhuhe Fang <[email protected]> Co-authored-by: Mini256 <[email protected]> Co-authored-by: Xiang Zhang <[email protected]> Co-authored-by: Yexiang Zhang <[email protected]> Co-authored-by: cfzjywxk <[email protected]> Co-authored-by: db <[email protected]> Co-authored-by: 山岚 <[email protected]> Co-authored-by: Yujie Xia <[email protected]> Co-authored-by: Yilong Li <[email protected]> Co-authored-by: tuuuuuu <[email protected]> Co-authored-by: qupeng <[email protected]> Co-authored-by: you06 <[email protected]>

* br: fix the integration tests (#30423) * util, cmd: remove unused filesort (#30438) * *: update client-go for small backoff time (#30436) * server: Fix unstable tests with FakeAuthSwitch (#30287) * dumpling: fix dump failed when sequence exists (#30164) * *: replace compareDatum by compare (#30421) * lightning: fix gcs max key limit (#30393) * expression, parser: add built-in func is_uuid (#30318) * expression: migrate test-infra to testify for constant_fold_test.go (#30424) * executor: fix pipelined window invalid memory address (#30418) * makefile: add gotestsum for verify ci (#29848) * server: close sql rows to fix unstable test (#30306) * Makefile: add coverage record for BR and Dumpling (#30457) * executor: track the mem usage of IndexMergeReader (#30210) * infosync: close body when ReadAll encounters error (#30462) * planner: show accessed partition when explain mpp query over partition table (#30367) * *: Fix use of user identity in SHOW GRANTS + error messages (#30294) * ddl: add not null flag for auto_increment column (#30477) * expression: make some unstable test serial (#30323) * expression: migrate test-infra to testify for constant_propagation_test.go (#30430) * executor: stable test TestSetDDLReorgBatchSize and TestSetDDLReorgWorkerCnt (#30480) * statistics, util/ranger: add cardinality estimation trace for `GetRowCountBy...` (#30321) * *: skip mysql client goroutine leak detection in integration ddl (#30467) * executor,util: write slow query to slow log no matter what log level (#30461) * executor: enable index_merge used in transaction. (#29875) * logutil: add testcase for SlowQueryLogger.MaxDays/MaxSize/MaxBackups (#30316) * expression: fix data race in builtin_other_vec_generated_test.go (#30503) * expression: fix data race in the collationInfo (#30490) * planner/core, session: fix error message of wrong variable scope (#30510) * lightning: support Re/ReregisterMySQL by different tls name (#30463) * executor: TestBatchGetandPointGetwithHashPartition test typo (#29669) (#29671) * mockstore: improve log to avoid panic for nil pointer (#30513) * *: replace compareDatum by compare, PR 10 (#30456) * planner: Disable dynamic partition prune mode for all non-autocommit (#27532) (#30505) * expression: change the log level of an confusing log from warn to debug (#30484) * br: Check crypter.key valid before backup (#29991) * *: replace compareDatum by compare, PR 11 (#30465) * dumpling: fix default column collation with upstream when dump table (#30531) * server: fix prepared cursor select (#30285) * executor: HashJoinExec checks the buildError even if the probeSide is empty (#30471) * parser, expression: follow mysql, increase interval precedence (#30528) * makefile: set timeout 25m for make race (#30555) * planner: fix the unstable test TestAnalyzeGlobalStatsWithOpts/2 (#30576) * expression,types: Adjusts UNIX_TIMESTAMP() for non-existing DST values (#28739) (#30405) * br: add res.Body.close to avoid leak (#30545) * lightning: add back integration test lightning_error_summary (#30547) * sessionctx/variable: small refactor (split large file) (#30511) * ddl: let `admin cancel ddl jobs` run in a new transaction (#30549) * *: Retry when placement PutBundles failed (#30590) * dumpling: delete unit test in github actions (#30562) * *: support trace plan target='estimation' statement (#30491) * expression: migrate test-infra to testify for integration_test.go (#30548) * planner: support trace for min/max eliminate (#30441) * support min/max trace Signed-off-by: yisaer <[email protected]> * address the comment Signed-off-by: yisaer <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> * br: remove cdclog in br (#30573) * *: show cmd to check if all needed histograms are loaded (#29672) * expression: clone repertoire when clone the scalar function (#30602) * *: use the real StateRemote interface implementation for cached table (#30066) * *: query failed after add index / timestamp out-of-range (#28424) (#29323) * planner: implement collecting predicate columns from logical plan (#29878) * *: show PK name when decoding the clustered index row key (#30623) * ddl/callback_test.go: migrate test-infra to testify (#30317) * *: Rename some names of placement ddl operation (#30622) * executor: fix data race in the index_lookup_hash_join (#30619) * ddl: remove unnecessary locking when adding an index (#29772) * server: try to make `TidbTestSuite` more stable (#30643) * *: Add some PD tests for placement and fix some bug found (#30621) * *: migrate sync.WaitGroup to util.WaitGroupWrapper (#30644) * planner: add trace for join eliminate rule (#30343) * executor: migrate test-infra to testify for executor/shuffle_test.go (#30514) * planner: make (*AccessPath).OnlyPointRange more succinct (#30520) * planner: add trace for join reorder (#30394) * executor: migrate test-infra to testify for executor/union_scan_test.go (#30525) * expression: make cast return error if cast binary literal to another character set (#30537) * *: update tikv client (#30670) * *: update sysutil in go.mod to fix panic when search log (#30523) * topsql: shouldn't evict the SQL meta, since the evicted SQL can be appear on Other components (TiKV) TopN records (#27050) * testify: migrate test-infra to testify for analyze_test.go (#30640) * util: replace compareDatum by compare, point part (#30575) * test: make all the tests run in serial (#30692) * statistics: add mutex for Handle.globalMap and Handle.feedback (#30550) * executor: fix regular expression in json so that it could match identifer start with '$' (#29750) * util/testkit/testkit.go: fix typo (#30638) * planner: Introduce a new global variable to control the historical statistics feature (#30646) * topsql: introduce datasink interface (#30662) * planner: unify the argument of stats functions to use SessionCtx instead of StatementContext (#30668) * metrics: fix the Max SafeTS Gap metrics (#30689) * lightning: Add source dir existence check for s3 (#30674) * golangci-lint: support durationcheck (#30027) * executor: fix data race on IndexHashJoin.cancelFunc (#30701) * sessionctx/variable: change tidb_store_limit to global only (#30522) * statistics: remove reassignment of Handle.pool in NewHandle (#30675) * br: fix some unstable unit test cases. (#30716) * bindinfo: fix the comment typo (#30616) * server: support decoding prepared string args to character_set_client (#30723) * expression: fix enum type join binary get wrong result (#30445) * cmd/explaintest: fix wrong result comparison for explain test (#30717) * parallel create tables in br * metrics: fix copr-cache metrics (#30712) * test: merge executor's serial tests to other tests (#30711) * statistics: avoid deadlock when create/drop extended stats and analyze at the same time (#30566) * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * ddl: typo Co-authored-by: Arenatlx <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: rename to BatchCreateTableWithInfo Signed-off-by: xhe <[email protected]> * ddl: trace the error Signed-off-by: xhe <[email protected]> * ddl: comments Signed-off-by: xhe <[email protected]> * ddl: cancle the job right Signed-off-by: xhe <[email protected]> * ddl: cancel the job right 2 Signed-off-by: xhe <[email protected]> * ddl: report error if entry too large Signed-off-by: xhe <[email protected]> * ddl: report error when table is duplicated Signed-off-by: xhe <[email protected]> * ddl: go fmt Signed-off-by: xhe <[email protected]> * infoschema: improve batch memory perf Signed-off-by: xhe <[email protected]> * ddl: retain ID Signed-off-by: xhe <[email protected]> * sessionctx: fix the value of analyze_version when upgrading 4.x to 5.… (#30743) * ddl: reduce log frequency Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * server: disable socket listener for `basicHTTPHandlerTestSuite` (#30680) * planner: support the plan cache aware of bindings (#30169) * planner: fix early set of plan's statisticsTable (#30754) * *: implement renew write lock lease for cached table (#30206) * *: Modify placement rule index to reserve some indexes for future work (#30737) * executor: add an unit test case for unreasonable invoking Close (#30696) * planner: fix wrong subquery's coercibility (#30750) * executor: add more testcases for index merge (#30497) * server: add grpc server config for a suitable behavior (#30774) * config, charset: make charset config not affected by collation config (#30572) * lightning: emit tidb log by change FilterCore to only allow matched packages (#30700) * topsql: a centralized place to generate tipb report data (#30781) * planner: add trace for partition pruning (#30546) * planner: refine collation handling for between (#30793) * test: merge serial tests in bindinfo, expression, parser and statistics (#30749) * br: update log description for split check (#30763) * *: replace compareDatum by compare, range part (#30710) * *: placement policy ref will be converted to direct options when recover or flashback table (#30705) * ddl: handle the incorrect number of placement followers (#30715) * ddl: revert "ddl: remove unnecessary locking when adding an index" (#30667) * br/pkg/task: migrate test-infra to testify (#30605) * *: fix the flen type datetime for union/case-when/control-funcs (#30588) * types, util: clean up compareDatum (#30815) * ddl: add helper function to set and query TiFlash's sync status (#30473) * dumpling: fix more dumpling log level query template (#30176) * parser: support `admin flush plan_cache` (#30747) * topsql: support multiple datasinks (#30808) * br: update permission, so tikv can write to folder when backup to local (#30396) * session: fix bootstrap to only persist global variables (#30593) close #28667 * docs/design: update collation compatibility issues in charsets doc (#30806) * executor: improve SET sysvar=DEFAULT handling (#29680) close #29670 * br: add error handling for group context cancel when restore file is corrupted (#30190) close #30135 * executor: buildWindow cannot call typeInfer twice (#30773) close #30402 * *: refactor encoding and uniform usages (#30288) * lightning: optimize region split check logic (#30428) close #30018 * br: ignore mock directory when gcov in br (#30586) * *: forbid set tiflash replica count for a placement table (#30844) close #30741 * execute: don't transform charset in internal sql (#30843) close #30789 * planner: update PlanBuilder.windowSpecs when building subquery (#30878) close #30804 * br: fix S3 backup endpoint suffix (#30530) close #30104 * lightning: make pre-check output message clearer (#30439) close #30395 * expression: wrap to_binary and from_binary for cast function's argument (#30706) * executor: fix bug when using IndexMerge in transaction (#30719) close #30685 * ddl: migrate test-infra to testify for ddl/foreign_key_test.go (#30853) close #29103 * expression: fix wrong retType for reverse function (#30829) close #30809 * planner: support trace topn push down (#30800) ref #29661 * github: add issue requirement to pull request template (#30817) close #30814 * fix merge issue * topsql: introduce stmtstats and sql execution count (#30277) * topsql: add pubsub datasink (#30860) * executor: fix the incorrect untouch used in optimistic transactions (#30447) close #30410 * expression, cmd: let crc32() support gbk (#30900) close #30898 * server: Add uptime status var and statistics (#29790) close #8842 * br: error log optimization (#29640) close #27015 * planner: fix wrong collation when rewrite in condition (#30492) close #30486 * planner: add extractor for tikv_region_peers (#30656) * fix issue that loss table restore * lightning: add back table empty check and add a switch config (#30887) close #27919 * br: improve backoff unit test (#30892) * *: add TxnManager to manage txn in session (#30574) * *: add TxnManager to manage txn in session * modify * add tests * move failpoint content to a single file * Makefile: add `t.Parallel` check to ensure tests are run in serial (#30869) * refactoring code * refactoring code * placement: remove isolationlevel (#30859) close #30858 * planner: revise the optimize trace output (#30882) * table: set the datum collation correctly in CastValue() (#30931) close #30930 * *: Use TxnManager.GetTxnInfoSchema() to get the txn infoschema (#30934) close #30933 * parser: add IsValid() to Encoding to speed up string validation for UTF-8 (#30937) close #30936 * planner: rename pstmtPlanCacheXX to PlanCacheXX (#30909) * table/tables: make CI TestCacheTableBasicReadAndWrite more stable (#30924) close #30922 * restore: use new ScatterRegions API (#30899) close #30425 * *: when placement conflicts with tiflash, cancel the job (#30945) * Makefile,tools: make CI great again! (#30828) close #30822 * br/pkg/membuf: remove global buffer pool (#29934) * ddl: add format error for incorrect dict syntax in the placement rule (#30919) close #30454 * planner: fix index merge plan when expr cannot be pushed to tikv (#30341) close #30200 * executor: display 'show create table' and INFOSCHEMA for cached table correctly (#30951) close #30950 * br: extend the timeout for scan region since 3 seconds is not enough (#30889) close #30720 * planner: remove bindSQL from planCacheKey to planCacheValue (#30916) * execution: refine precision of cast as decimal in agg func (#30805) * *: fix data race in the tikv_client (#30964) close #30658 * ddl: migrate test-infra to testify for ddl/db_partition_test.go (#30952) close #28635 * planner: fix `AccessPath.TableFilters` got modified unexpectedly (#30966) close #30965 * test: merge serial tests in ddl, infoschema, session, store, table, telemetry and types (#30874) * executor: fix the returned field count of the prepare statement (#30981) close #30971 * binlog: allow multiple ddl targets (#30904) * planner: trace predicate push down (#30902) ref #29661 * placement: give default 2 followers for non-sugar syntax (#31000) * flatten the json output (#30905) Signed-off-by: yisaer <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> * test: control log level with environment variables (#30871) * planner: add usage of paging copr in optimizer (#30536) close #30578 * test: merge serial tests in cmd, planner, server, util (#31003) * planner: change predicateColumnCollector to columnStatsUsageCollector and collect histogram-needed columns (#30671) * executor: migrate test-infra to testify for distsql_test.go (#31023) close #28574 * remote uncessary package errors * reused the retry code from lightning * refactoring retryable * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * br ddl code * parallel create tables in br * ddl: add batch create table api Signed-off-by: xhe <[email protected]> * ddl: add unit tests Signed-off-by: xhe <[email protected]> * ddl: fix fmt Signed-off-by: xhe <[email protected]> * ddl: typo Co-authored-by: Arenatlx <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: rename to BatchCreateTableWithInfo Signed-off-by: xhe <[email protected]> * ddl: trace the error Signed-off-by: xhe <[email protected]> * ddl: comments Signed-off-by: xhe <[email protected]> * ddl: cancle the job right Signed-off-by: xhe <[email protected]> * ddl: cancel the job right 2 Signed-off-by: xhe <[email protected]> * ddl: report error if entry too large Signed-off-by: xhe <[email protected]> * ddl: report error when table is duplicated Signed-off-by: xhe <[email protected]> * ddl: go fmt Signed-off-by: xhe <[email protected]> * infoschema: improve batch memory perf Signed-off-by: xhe <[email protected]> * ddl: retain ID Signed-off-by: xhe <[email protected]> * ddl: reduce log frequency Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * ddl: remove retainID from the interface Signed-off-by: xhe <[email protected]> * ddl: fix tests Signed-off-by: xhe <[email protected]> * executor: fix rebasing problem Signed-off-by: xhe <[email protected]> * sessionctx: enable IndexMerge by default (#30650) close #29597 * br: Enable lint `gosec` in br (#30895) close #30699 * planner: support 'admin flush plan cache' (#30370) * merge from tidb batch_1 Co-authored-by: 3pointer <[email protected]> Co-authored-by: wjHuang <[email protected]> Co-authored-by: Lei Zhao <[email protected]> Co-authored-by: Daniël van Eeden <[email protected]> Co-authored-by: sylzd <[email protected]> Co-authored-by: Jianjun Liao <[email protected]> Co-authored-by: unconsolable <[email protected]> Co-authored-by: tison <[email protected]> Co-authored-by: Shenghui Wu <[email protected]> Co-authored-by: tangenta <[email protected]> Co-authored-by: Weizhen Wang <[email protected]> Co-authored-by: guo-shaoge <[email protected]> Co-authored-by: Ryan Leung <[email protected]> Co-authored-by: xufei <[email protected]> Co-authored-by: Morgan Tocker <[email protected]> Co-authored-by: Zhou Kunqin <[email protected]> Co-authored-by: 王超 <[email protected]> Co-authored-by: TonsnakeLin <[email protected]> Co-authored-by: Ehco <[email protected]> Co-authored-by: Mattias Jonsson <[email protected]> Co-authored-by: HuaiyuXu <[email protected]> Co-authored-by: Zak Zhao <[email protected]> Co-authored-by: WizardXiao <[email protected]> Co-authored-by: xhe <[email protected]> Co-authored-by: Hangjie Mo <[email protected]> Co-authored-by: Yuanjia Zhang <[email protected]> Co-authored-by: glorv <[email protected]> Co-authored-by: djshow832 <[email protected]> Co-authored-by: Chunzhu Li <[email protected]> Co-authored-by: Song Gao <[email protected]> Co-authored-by: Ti Chi Robot <[email protected]> Co-authored-by: Xiaoju Wu <[email protected]> Co-authored-by: xiongjiwei <[email protected]> Co-authored-by: tiancaiamao <[email protected]> Co-authored-by: Yifan Xu <[email protected]> Co-authored-by: JmPotato <[email protected]> Co-authored-by: Zach <[email protected]> Co-authored-by: bb7133 <[email protected]> Co-authored-by: lvtu <[email protected]> Co-authored-by: crazycs <[email protected]> Co-authored-by: znhh6018 <[email protected]> Co-authored-by: eddie lin <[email protected]> Co-authored-by: dongjunduo <[email protected]> Co-authored-by: Zhenchi <[email protected]> Co-authored-by: wangggong <[email protected]> Co-authored-by: zhangjinpeng1987 <[email protected]> Co-authored-by: Jack Yu <[email protected]> Co-authored-by: Arenatlx <[email protected]> Co-authored-by: Yiding Cui <[email protected]> Co-authored-by: Chengpeng Yan <[email protected]> Co-authored-by: bestwoody <[email protected]> Co-authored-by: Calvin Neo <[email protected]> Co-authored-by: Lynn <[email protected]> Co-authored-by: Zhuhe Fang <[email protected]> Co-authored-by: Mini256 <[email protected]> Co-authored-by: Xiang Zhang <[email protected]> Co-authored-by: Yexiang Zhang <[email protected]> Co-authored-by: cfzjywxk <[email protected]> Co-authored-by: db <[email protected]> Co-authored-by: 山岚 <[email protected]> Co-authored-by: Yujie Xia <[email protected]> Co-authored-by: Yilong Li <[email protected]> Co-authored-by: tuuuuuu <[email protected]> Co-authored-by: qupeng <[email protected]> Co-authored-by: you06 <[email protected]>

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bestwoody and others added 3 commits December 8, 2021 17:08

bugfix: pr-29498

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Merge branch 'master' of https://github.com/pingcap/tidb

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Merge branch 'master' into bugfix29498

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concat(ifnull(time(3)) returns different results from MySQL #29498

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bestwoody added 2 commits December 10, 2021 12:29

add test for issue 29498

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Merge branch 'bugfix29498' of github.com:bestwoody/tidb into bugfix29498

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Merge branch 'master' into bugfix29498

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Merge branch 'bugfix29498' of github.com:bestwoody/tidb into bugfix29498

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XuHuaiyu added component/expression type/bugfix This PR fixes a bug. labels Dec 10, 2021

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code refine

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Merge branch 'master' into bugfix29498

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XuHuaiyu changed the title ~~Bugfix: #29498 concat(ifnull(time(3)) returns different results from MySQL~~ *: fix the flen type datetime for union/case-when/control-funcs Dec 17, 2021

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ti-chi-bot merged commit 8e11e03 into pingcap:master Dec 17, 2021

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cherry pick pingcap#30588 to release-5.0

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*: fix the flen type datetime for union/case-when/control-funcs (#30588) #30830

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cherry pick pingcap#30588 to release-5.1

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*: fix the flen type datetime for union/case-when/control-funcs (#30588) #30831

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cherry pick pingcap#30588 to release-5.2

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*: fix the flen type datetime for union/case-when/control-funcs (#30588) #30832

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cherry pick pingcap#30588 to release-5.3

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*: fix the flen type datetime for union/case-when/control-funcs (#30588) #30833

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*: fix the flen type datetime for union/case-when/control-funcs (#30588…

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