statistics: add docs for the FLUSH STATS_DELTA statement#21819
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Auto-sync completed successfully Source PR: pingcap/docs#23258 Chinese documentation has been updated based on English documentation changes. |
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📝 WalkthroughWalkthrough新增 ChangesFLUSH STATS_DELTA 文档
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Inline comments:
In `@sql-statements/sql-statement-flush-stats-delta.md`:
- Line 10: Correct the shared automatic-update links: in
sql-statements/sql-statement-flush-stats-delta.md lines 10-10, change the label
from 自动修改 to 自动更新 and target /statistics.md#自动更新; in statistics.md lines 19-19,
update the self-reference target to /statistics.md#自动更新.
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TOC.mdreleases/release-8.5.7.mdsql-statements/sql-statement-flush-stats-delta.mdsql-statements/sql-statement-overview.mdstatistics.md
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sql-statements/sql-statement-flush-stats-delta.md
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What is changed, added or deleted? (Required)
Add documentation for the
FLUSH STATS_DELTAstatement introduced in v8.5.7 and v9.0.0 (pingcap/tidb#65668), which persists the pending statistics delta buffered in TiDB memory to themysql.stats_metasystem table immediately.sql-statements/sql-statement-flush-stats-delta.md(synopsis, options, examples, privileges).TOC.mdandsql-statements/sql-statement-overview.md.statistics.md.All examples and behavior descriptions (target scopes,
CLUSTERbroadcast, privilege requirements, and warnings) are verified against a TiDB v8.5.7 TiUP playground with two TiDB instances.Which TiDB version(s) do your changes apply to? (Required)
Tips for choosing the affected version(s):
By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.
For details, see tips for choosing the affected versions.
What is the related PR or file link(s)?
flush stats_deltasyntax for optimizer statistics tidb#65677, planner, executor, parser: implement scoped FLUSH STATS_DELTA tidb#67766, planner, executor, parser: support scoped FLUSH STATS_DELTA tidb#68159Do your changes match any of the following descriptions?
Summary by CodeRabbit
FLUSH STATS_DELTA语句文档，补充语法、Targets、可选CLUSTER行为、去重规则、分区表处理、告警与跳过情形、所需SELECT权限、示例及兼容性说明。