update document for system-table-information-schema.md by wjhuang2016 · Pull Request #3470 · pingcap/docs-cn

wjhuang2016 · 2020-06-03T06:22:18Z

Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com

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Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>

TomShawn · 2020-06-03T08:43:09Z

@djshow832 PTAL again

djshow832 · 2020-06-05T06:34:11Z

+* `COLUMN_NAME`: 列名。请参见表达式列的说明。
+* `COLLATION`: 列在索引中的排序方式。它可以有值 `A` (升序)、`D` (降序)或 `NULL` (未排序)。
+* `CARDINALITY`: 索引中唯一值的数量的估计。要更新这个数字，运行 `ANALYZE TABLE`。
+* `SUB_PART`: 索引的前缀。如果只对列的部分前缀索引，则为索引字符的数量;如果对整个列进行索引，则为 `NULL`。


Suggested change

* `SUB_PART`: 索引的前缀。如果只对列的部分前缀索引，则为索引字符的数量;如果对整个列进行索引，则为 `NULL`。

* `SUB_PART`: 索引的前缀。如果只对列的部分前缀索引，则为索引字符的数量如；果对整个列进行索引，则为 `NULL`。

djshow832 · 2020-06-05T07:51:08Z

+* `PACKED`: TiDB 未使用该字段。这个值总是 `NULL`。
+* `NULLABLE`: 如果列可能包含空值，则值为 `YES`;如果不包含，则值为 `''`。
+* `INDEX_TYPE`: 索引的类型。
+* `COMMENT`: 索引没有在列中描述的信息。


I don't understand. Please rephrase it.

Co-authored-by: djshow832 <zhangming@pingcap.com>

Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>

crazycs520

LGTM

Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>

TomShawn · 2020-06-17T13:21:25Z

LGTM

yikeke · 2020-07-30T05:11:58Z

/merge

ti-srebot · 2020-07-30T05:14:33Z

/run-all-tests

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>

ti-srebot · 2020-07-30T05:17:54Z

cherry pick to release-4.0 in PR #4118

Signed-off-by: ti-srebot <ti-srebot@pingcap.com> Co-authored-by: wjHuang <huangwenjun1997@gmail.com>

yikeke · 2020-07-30T06:39:23Z

+* `JOB_INFO`: 任务信息。
+* `PROCESSED_ROWS`: 已经处理的行数。
+* `START_TIME`: 开始时间。
+* `STATE`: 状态。包括 `padding`、`running`、`finished` 和 `failed`。


padding 还是 pending？ @wjhuang2016

Confirmed that pending is correct. Fixed in https://github.com/pingcap/docs-cn/pull/4109/files#diff-304d268879d55212fc021e3b9a605b29R60 and https://github.com/pingcap/docs/pull/3470/files#diff-304d268879d55212fc021e3b9a605b29R60

…4109) * update information-schema.md * add 6 files * add 5 files * add 5 files * add commits from #3470 * Update information-schema/information-schema-analyze-status.md * add 3 files and rename another file * rename/update a file * rename cluster-hardware * rename/update a file * rename/update cluster-systeminfo * rename/update cluster-log * rename/update metrics-summary and metrics-tables * rename/update inspection-result * rename/update inspection-summary * rename/update metrics-schema.md * rename/update mysql Schema * rename/update sql-diagnostics * Update TOC.md * fix links * Update information-schema.md * add 6 files * add a file * fix 2 links * Update faq/deploy-and-maintain-faq.md * Update faq/deploy-and-maintain-faq.md * Update information-schema/information-schema-cluster-config.md Co-authored-by: kissmydb <likun@pingcap.com> * Apply suggestions from code review Co-authored-by: kissmydb <likun@pingcap.com> Co-authored-by: Lilian Lee <lilin@pingcap.com> Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>

wjhuang2016 added 2 commits June 3, 2020 14:21

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djshow832 reviewed Jun 3, 2020

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wjhuang2016 added 2 commits June 3, 2020 14:53

fix

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fix

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TomShawn added needs-cherry-pick-4.0 translation/doing This PR’s assignee is translating this PR. labels Jun 3, 2020

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Update system-table-information-schema.md

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wjhuang2016 and others added 5 commits June 16, 2020 14:45

Update system-tables/system-table-information-schema.md

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Update system-tables/system-table-information-schema.md

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Update system-tables/system-table-information-schema.md

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Merge branch 'master' into wj_information_schema

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TomShawn and others added 3 commits June 17, 2020 19:23

Apply suggestions from code review

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Update system-tables/system-table-information-schema.md

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Update system-tables/system-table-information-schema.md

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yikeke approved these changes Jul 30, 2020

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Merge branch 'master' into wj_information_schema

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ti-srebot merged commit b80a3e3 into pingcap:master Jul 30, 2020

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cherry pick pingcap#3470 to release-4.0

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update document for system-table-information-schema.md (#3470) #4118

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yikeke mentioned this pull request Jul 30, 2020

refactor/improve clarity: change system-table to information-schema #4109

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update document for system-table-information-schema.md (#3470) (#4118)

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Fix some issues in information schema docs pingcap/docs#3470

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add commits from pingcap#3470

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Fix some issues in information schema docs (#3470) pingcap/docs#3503

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ti-srebot mentioned this pull request Aug 5, 2020

refactor/improve clarity: change system-table to information-schema (#4109) #4195

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	* `SUB_PART`: 索引的前缀。如果只对列的部分前缀索引，则为索引字符的数量;如果对整个列进行索引，则为 `NULL`。
	* `SUB_PART`: 索引的前缀。如果只对列的部分前缀索引，则为索引字符的数量如；果对整个列进行索引，则为 `NULL`。

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wjhuang2016 commented Jun 3, 2020 •

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