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*: implement tidb_bounded_staleness built-in function #24328

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merged 20 commits into from
May 18, 2021
Merged

*: implement tidb_bounded_staleness built-in function #24328

merged 20 commits into from
May 18, 2021

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JmPotato
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@JmPotato JmPotato commented Apr 27, 2021 •
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Signed-off-by: JmPotato ghzpotato@gmail.com

What problem does this PR solve?

Part of #24291. TiDB implementation of pingcap/parser#1215.

What is changed and how it works?

Implement tidb_bounded_staleness for read-only staleness transaction. It will take two DateTime type arguments and return the best DateTime for all the following read requests.

Check List

Tests

  • Unit test
  • Integration test

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  • No release note

@JmPotato
Implement read_ts_in built-in function
9848fca 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato JmPotato requested a review from a team as a code owner April 27, 2021 15:55
@JmPotato JmPotato requested review from qw4990 and removed request for a team April 27, 2021 15:55
@ti-chi-bot ti-chi-bot added the size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. label Apr 27, 2021
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/cc @nolouch @Yisaer @djshow832

@JmPotato
Fix the test
fee3489 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato
Fix TestShowBuiltin
1d71ccf 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@github-actions github-actions bot added the sig/execution SIG execution label Apr 28, 2021
nolouch
nolouch reviewed Apr 28, 2021
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expression/builtin_time.go Outdated Show resolved Hide resolved
@JmPotato
Fix some bugs and refine the test
d4cf88e 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@github-actions github-actions bot added the sig/sql-infra SIG: SQL Infra label Apr 28, 2021
@JmPotato JmPotato changed the title *: implement read_ts_in built-in function *: implement tidb_bound_staleness built-in function Apr 28, 2021
@JmPotato
Rename to tidb_bound_staleness
c9309ba 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato
Make tidb_bound_staleness deterministic
7d8c27f 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato JmPotato requested a review from nolouch April 28, 2021 10:57
@ti-chi-bot ti-chi-bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label May 1, 2021
@ti-chi-bot ti-chi-bot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label May 10, 2021
@JmPotato
Resolve the conflict
a18f522 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato
Improve code reusability
2a7928d 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato
Fix the test
78ddfe4 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
@JmPotato
Resolve the conflict
a4826bc 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
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Address the comment
921a440 
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Yisaer
Yisaer approved these changes May 17, 2021
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/lgtm

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label May 17, 2021
@JmPotato
Use Datetime as the type of function result
d49a650 
Signed-off-by: JmPotato <ghzpotato@gmail.com>
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PTAL @winoros @djshow832 @nolouch @xhebox

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lgtm

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@nolouch: Thanks for your review. The bot only counts /lgtm from reviewers and higher roles in list, but you're still welcome to leave your comments.

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lgtm

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@nolouch nolouch removed sig/execution SIG execution sig/sql-infra SIG: SQL Infra labels May 18, 2021
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nolouch commented May 18, 2021

lgtm

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/lgtm

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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • Yisaer
  • nolouch

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels May 18, 2021
@nolouch nolouch added sig/execution SIG execution sig/sql-infra SIG: SQL Infra labels May 18, 2021
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nolouch commented May 18, 2021

please merge parser firstly.

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/merge

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@JmPotato: /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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Yisaer commented May 18, 2021

/merge

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

Commit hash: bde67d7

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label May 18, 2021
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/run-e2e-test

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/run-sqllogic-test-2

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/run-check_dev_2

@ti-chi-bot ti-chi-bot merged commit e9488ce into pingcap:master May 18, 2021
@nolouch nolouch mentioned this pull request May 19, 2021
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45 tasks
Howie59 pushed a commit to Howie59/tidb that referenced this pull request May 21, 2021
@tiancaiamao @Howie59
*: fix revoke statement for CURRENT_USER() and refine error message (p…
f679a36 
…ingcap#24052)

* *: fix revoke statement for CURRENT_USER() and refine error message

planner: support set tidb_allow_mpp to `2` or `ENFORCE` to enforce use mpp mode. (pingcap#24516)

store/tikv: remove use of SchemaAmender option in store/tikv (pingcap#24408)

*: the value of tikv-client.store-liveness-timeout should not less than 0 (pingcap#24244)

store/tikv: remove use of EnableAsyncCommit option in store/tikv (pingcap#24462)

txn: Add txn state's view (pingcap#22908)

planner: ignore lock for temporary table of PointGet and BatchPointGet (pingcap#24540)

store/tikv: remove use of ReplicaRead transaction option in store/tikv (pingcap#24409)

store/driver: move error to single package (pingcap#24549)

ddl: add check table compatibility for temporary table (pingcap#24501)

store/tikv: remove use of IsStatenessReadOnly option in store/tikv (pingcap#24464)

store/tikv: change backoff type for missed tiflash peer. (pingcap#24577)

store/tikv: remove use of MatchStoreLabels transaction option in store/tikv (pingcap#24465)

executor, meta: Allocate auto id for global temporary tables (pingcap#24506)

store/tikv: remove use of SampleStep option in store/tikv (pingcap#24461)

executor: add partition pruning tests for adding and dropping partition operations (pingcap#24573)

ddl: forbid partition on temporary mode before put into queue (pingcap#24565)

ddl: speedup test case TestIndexOnMultipleGeneratedColumn (pingcap#24487)

execution: Fix issue 24439 Inconsistent error with MySQL for GRANT CREATE USER ON <specific db>.* (pingcap#24485)

*: fix errcheck (pingcap#24463)

test: make TestExtractStartTs stable (pingcap#24585)

ddl: forbid recover/flashback temporary tables (pingcap#24518)

executor: fix point_get result on clustered index when new-row-format disabled but new-collation enabled (pingcap#24544)

executor: Improve the performance of appending not fixed columns (pingcap#20969)

*: typo fix (pingcap#24564)

planner/core: refresh stale regions in cache for batch cop response (pingcap#24457)

binlog: DML on temporary tables do not write binlog (pingcap#24570)

store/tikv: remove use of GuaranteeLinearizability option in store/tikv (pingcap#24605)

store/tikv: remove use of CollectRuntimeStats option in store/tikv (pingcap#24604)

store/tikv: move Backoffer into a single package (pingcap#24525)

variables: init cte max recursive deeps in a new session (pingcap#24609)

store/tikv: move transaction options out to /kv (pingcap#24619)

store/driver: move backoff driver into single package so we can use i… (pingcap#24624)

server: close the temporary session in HTTP API to avoid memory leak (pingcap#24339)

store/tikv: use latest PD TS plus one as min commit ts (pingcap#24579)

planner: fix incorrect TableDual plan built from nulleq (pingcap#24596)

ranger: fix the case which could have duplicate ranges (pingcap#24590)

 executor, store: Pass the SQL digest down to pessimistic lock request (pingcap#24380)

kv: remove UnionStore interface (pingcap#24625)

*: enable gosimple linter (pingcap#24617)

txn: avoid the gc resolving pessimistic locks of ongoing transactions (pingcap#24601)

util: fix wrong enum building for index range  (pingcap#24632)

sessionctx: change innodb large prefix default (pingcap#24555)

store: fix data race about KVStore.tikvClient (pingcap#24655)

executor, privileges: Add dynamic privileges to SHOW PRIVILEGES (pingcap#24646)

ddl: refactor rule [4/6] (pingcap#24007)

cmd: ddl_test modify retryCnt from 5 to 20 (pingcap#24662)

executor: add correctness tests about direct reading with ORDER BY and LIMIT (pingcap#24455)

store/tikv: remove options from unionstore (pingcap#24629)

planner: fix wrongly check for update statement (pingcap#24614)

store/tikv: remove CompareTS (pingcap#24657)

planner, privilege: Add security enhanced mode part 4 (pingcap#24416)

executor: add some test cases about partition table dynamic-mode with split-region (pingcap#24665)

planner: fix wrong column offsets when processing dynamic pruning for IndexJoin (pingcap#24659)

*: Add security enhanced mode part 3 (pingcap#24412)

store/tikv: resolve ReplicaReadType dependencies (pingcap#24653)

executor: add test cases about partition table with `expression` (pingcap#24628)

tablecodec: fix write wrong prefix index value when collation is ascii_bin/latin1_bin (pingcap#24578)

*: compatibility with staleread (pingcap#24285)

session: test that temporary tables will also be retried (pingcap#24505)

domain, session: Add new sysvarcache to replace global values cache (pingcap#24359)

ddl, transaction: DDL on temporary tables won't affect transactions (pingcap#24534)

*: implement tidb_bounded_staleness built-in function (pingcap#24328)

executor: add correctness tests for partition table with different joins (pingcap#24673)

expression: fix the spelling of word arithmetical (pingcap#24713)

store/copr: balance region for batch cop task (pingcap#24521)

store, metrics: Add metrics for safetTS updating (pingcap#24687)

sem: add tidbredact log to restricted variables (pingcap#24701)

session: fix dml_batch_size doesn't load the global variable (pingcap#24710)

store/tikv: retry TSO RPC (pingcap#24682)

expression, planner: push cast down to control function with enum type. (pingcap#24542)

executor: add correctness tests about IndexMerge (pingcap#24674)

variable: change default for DefDMLBatchSize tidbOptInt64 call (pingcap#24697)

planner: add partitioning pruning tests for range partitioning (pingcap#24554)

*: add option for enum push down (pingcap#24685)

txn: break dependency from store/tikv to tidb/kv cause by TransactionOption (pingcap#24656)

executor: enhancement for ListInDisk(support writing after reading) (pingcap#24379)

kv: move TxnScope into kv (pingcap#24715)

execution: fix the incorrect use of cached plan for point get (pingcap#24749)

executor: add correctness tests about direct reading with indexJoin (pingcap#24497)

variable:  fix sysvar datarace with deep copy (pingcap#24732)

*: Implementing RENAME USER (pingcap#24413)

infoschema, executor: Add the deadlock table (pingcap#24524)

docs: Some proposal for renaming and configurations for Lock View (pingcap#24718)

planner: add range partition boundaries tests with BETWEEN expression (pingcap#24598)

oracle: simplify timestamp utilities (pingcap#24688)

executor: fix wrong enum key in point get (pingcap#24618)

ranger: fix incorrect enum range for xxx_ci collation (pingcap#24661)

executor: add some test cases about dynamic-mode and apply operator (pingcap#24683)

store/tikv: remove Variables.Hook (pingcap#24758)

ddl: speed up the execution time of `TestBackwardCompatibility`. (pingcap#24704)

*: prepare errors for CTE (pingcap#24763)

expression: support cast real/int as real (pingcap#24670)

executor: add table name in log (pingcap#24666)

expression: add builtin function ``json_pretty`` (pingcap#24675)

ddl: make `TestDropLastVisibleColumns` stable (pingcap#24790)

* ddl: make `TestDropLastVisibleColumns` stable

*: support AS OF TIMESTAMP read-only begin statement (pingcap#24740)

executor: Fix unstable TestTiDBLastTxnInfoCommitMode (pingcap#24779)

planner: add tests for partition range boundaries for LT/GT (pingcap#24574)

test: record random seed in TestIssue20658 (pingcap#24782)

store/tikv/retry: define Config instead of BackoffType (pingcap#24692)

config: ignore tiflash when show config (pingcap#24770)

privileges: improve dynamic privs registration and tests (pingcap#24773)

README: remove the link of TiDB Monthly Update (pingcap#24791)

region_cache: filter peers on tombstone or dropped stores (pingcap#24726)

util/stmtsummary: remove import package tikv (pingcap#24776)

ddl: grammar check for create unsupported temporary table (pingcap#24723)

*: update go.etcd.io/bbolt (pingcap#24799)

ddl: speed up the execution time of `ddl test` and `Test Chunk pingcap#7 ddl-other` (pingcap#24780)

executor: remove the unnecessary use of fmt.Sprintf (pingcap#24815)

executor: fix index join panic on prefix index on some cases (pingcap#24568)
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@nolouch nolouch nolouch approved these changes

@Yisaer Yisaer Yisaer approved these changes

@qw4990 qw4990 Awaiting requested review from qw4990

@djshow832 djshow832 Awaiting requested review from djshow832

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