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lightning: support checkpoint read for compress files #38946

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merged 9 commits into from
Nov 11, 2022

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lichunzhu
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What problem does this PR solve?

Issue Number: ref #38514

Problem Summary:

What is changed and how it works?

When lightning reader recovered from breakpoint, use reader to read first few bytes and ignore them.

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

  • 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

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ti-chi-bot commented Nov 7, 2022

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • hi-rustin
  • lance6716

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 the release-note-none Denotes a PR that doesn't merit a release note. label Nov 7, 2022
@ti-chi-bot ti-chi-bot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Nov 7, 2022
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@lance6716 lance6716 left a comment

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maybe we can update the comment to clarify that pos means the position after decompression.

@@ -573,3 +573,8 @@ func (parser *CSVParser) ReadUntilTerminator() (int64, error) {
}
}
}

// SetRowID sets the rowID in a csv file when we start a compressed file.
func (parser *CSVParser) SetRowID(rowID int64) {
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this is not needed because blockParser has implement SetRowID

)
`, "", "")
require.NoError(t, err)
core, err := ddl.MockTableInfo(se, node.(*ast.CreateTableStmt), 0xabcdef)
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we have BuildTableInfoFromAST now

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Nov 9, 2022
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lgtm

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@lyzx2001: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

In response to this:

lgtm

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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 Nov 11, 2022
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/merge

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

Commit hash: fb59b88

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Nov 11, 2022
@ti-chi-bot ti-chi-bot merged commit 481f5ab into pingcap:master Nov 11, 2022
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sre-bot commented Nov 11, 2022

TiDB MergeCI notify

🔴 Bad News! New failing [2] after this pr merged.
These new failed integration tests seem to be caused by the current PR, please try to fix these new failed integration tests, thanks!

CI Name Result Duration Compare with Parent commit
idc-jenkins-ci/integration-cdc-test 🟥 failed 1, success 38, total 39 19 min New failing
idc-jenkins-ci-tidb/integration-compatibility-test 🟥 failed 1, success 0, total 1 1 min 33 sec New failing
idc-jenkins-ci-tidb/integration-ddl-test 🔴 failed 2, success 4, total 6 44 min Existing failure
idc-jenkins-ci-tidb/mybatis-test 🔴 failed 1, success 0, total 1 11 min Existing failure
idc-jenkins-ci-tidb/integration-common-test 🟢 all 17 tests passed 16 min Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2 🟢 all 28 tests passed 9 min 32 sec Existing passed
idc-jenkins-ci-tidb/common-test 🟢 all 11 tests passed 9 min 23 sec Existing passed
idc-jenkins-ci-tidb/tics-test 🟢 all 1 tests passed 6 min 25 sec Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1 🟢 all 26 tests passed 5 min 2 sec Existing passed
idc-jenkins-ci-tidb/plugin-test 🟢 build success, plugin test success 4min Existing passed

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6 participants