add FAQs about collation for JDBC connections (#20848) #20868
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Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Aolin <[email protected]>
Co-authored-by: Aolin <[email protected]>
Co-authored-by: Aolin <[email protected]>
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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!
Summary of Changes
This pull request adds FAQs about collation for JDBC connections. It addresses how collation is handled in JDBC connections, especially after upgrading TiDB to v7.4 or later. The changes include adding notes to the Java JDBC developer guide and adding a new FAQ section detailing collation behavior and how to manage it during upgrades. The PR also provides guidance on configuring the connectionCollation parameter in the JDBC URL to maintain consistent collation settings.
Highlights
- JDBC Collation FAQs: Adds a new FAQ section to address collation issues in JDBC connections, including scenarios where
connectionCollationis not configured. - Upgrade Considerations: Provides guidance on handling collation changes when upgrading to TiDB v7.4 or later, recommending the configuration of
connectionCollationin the JDBC URL. - Developer Guide Update: Updates the Java JDBC developer guide with notes about collation behavior starting from TiDB v7.4, directing users to the new FAQ section.
Changelog
- develop/dev-guide-sample-application-java-jdbc.md
- Added a note about collation behavior in JDBC connections starting from TiDB v7.4, linking to the FAQ section.
- Added conditional content for tidb and tidb-cloud platforms.
- faq/sql-faq.md
- Introduced a new section dedicated to FAQs about collations used in JDBC connections.
- Detailed scenarios for collation selection when
connectionCollationis not configured. - Provided instructions on handling collation changes after upgrading TiDB.
- Explained the differences between
utf8mb4_binandutf8mb4_0900_ai_cicollations with examples.
- faq/upgrade-faq.md
- Added a new FAQ addressing collation changes after upgrading TiDB, advising on configuring
connectionCollationto maintainutf8mb4_bin.
- Added a new FAQ addressing collation changes after upgrading TiDB, advising on configuring
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Code Review
This pull request adds FAQs about collation for JDBC connections. The changes look good and provide helpful information to users. However, I have a few suggestions to improve clarity and consistency, referencing the provided style guide.
Summary of Findings
- Clarity and Readability: Some sentences can be reworded for better clarity and readability, especially in the context of providing instructions to users. Following the style guide's emphasis on simplicity and avoiding unnecessary words will help improve the documentation.
- Terminology Consistency: Ensuring consistent terminology is important for user understanding. The review identified a few instances where terms could be standardized to align with existing documentation.
- Formatting and Markdown Style: Adhering to markdown style guidelines, such as adding blank lines before and after headings and lists, ensures consistency and readability across the documentation.
Merge Readiness
The pull request is almost ready for merging. Addressing the comments regarding clarity, terminology consistency, and markdown style will further enhance the quality of the documentation. I am unable to approve this pull request, and recommend that others review and approve this code before merging.
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/approve |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: qiancai The full list of commands accepted by this bot can be found here. The pull request process is described here
Needs approval from an approver in each of these files:
Approvers can indicate their approval by writing |
This is an automated cherry-pick of #20848
First-time contributors' checklist
What is changed, added or deleted? (Required)
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 (in Chinese).
What is the related PR or file link(s)?
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