sql: update add index grammar ebnf (#21201)#21203
sql: update add index grammar ebnf (#21201)#21203ti-chi-bot[bot] merged 3 commits intopingcap:release-8.5from
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Summary of Changes
Hello @ti-chi-bot, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request updates the grammar definition for adding indexes, specifically modifying the IndexOption to include the USING IndexType clause. This change ensures the grammar accurately reflects the supported syntax for specifying index types.
Highlights
- Grammar Update: The
IndexOptiongrammar insql-statements/sql-statement-add-index.mdis updated to includeUSING IndexType.
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Code Review
The pull request updates the EBNF grammar for the ADD INDEX statement, specifically for the IndexOption rule. The change mandates the USING keyword when specifying an index type (like BTREE or HASH) as an option. This aligns the documentation with standard SQL practices for ALTER TABLE ... ADD INDEX and reflects corresponding parser enhancements in TiDB, thereby improving the technical accuracy of the documentation.
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: lilin90 The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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This is an automated cherry-pick of #21201
What is changed, added or deleted? (Required)
Updates add index grammar ebnf
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