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fix: correct typos and improve nls_case_conversion performance#1155

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OreoYang wants to merge 1 commit intoIvorySQL:masterfrom
OreoYang:feat/review_plisql
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fix: correct typos and improve nls_case_conversion performance#1155
OreoYang wants to merge 1 commit intoIvorySQL:masterfrom
OreoYang:feat/review_plisql

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@OreoYang OreoYang commented Jan 19, 2026 •
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  • Fix typos: "blow"→"below", "at here"→"here", "charater"→"character"
  • Fix grammar: "whether enable/convert"→"Whether to enable/convert"
  • Fix double period: "parser.."→"parser."
  • Improve nls_case_conversion(): cache strlen() to avoid O(n²) complexity
  • Remove redundant null terminator assignments
  • Replace backward goto with while loop

Summary by CodeRabbit

  • Documentation

    • Improved help text capitalization and clarity across configuration options.

  • Bug Fixes

    • Corrected error message punctuation in parser output.

✏️ Tip: You can customize this high-level summary in your review settings.

@OreoYang @claude
fix: correct typos and improve nls_case_conversion performance
cd50fcd 
- Fix typos: "blow"→"below", "at here"→"here", "charater"→"character"
- Fix grammar: "whether enable/convert"→"Whether to enable/convert"
- Fix double period: "parser.."→"parser."
- Improve nls_case_conversion(): cache strlen() to avoid O(n²) complexity
- Remove redundant null terminator assignments
- Replace backward goto with while loop

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>
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coderabbitai bot commented Jan 19, 2026 •
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📝 Walkthrough

Walkthrough

This PR refactors the nls_case_conversion function in the IvorySQL utilities to eliminate goto-based control flow and replace it with explicit, length-aware loops. Additionally, help texts are improved for clarity and capitalization, and error message punctuation is corrected. Functional behavior is retained.

Changes

Cohort / File(s) Change Summary
NLS Case Conversion Refactoring
src/backend/utils/misc/ivy_guc.c		 Refactored nls_case_conversion from macro-based switch with goto labels to streamlined approach using length-aware loops. Improved help texts for capitalization and clarity (e.g., "whether enable" → "Whether to enable", "charater" → "character"). Fixed malformed error hint punctuation. Adjusted minor comment wording.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

Suggested reviewers

  • jiaoshuntian

Poem

🐰 Loops now flow where gotos used to dance,
Case conversions gain a clearer glance,
With length-aware steps, the code stands tall,
Refactored grace through IvorySQL's hall! ✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1
❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately summarizes the main changes: typo corrections and performance improvements to nls_case_conversion, matching the primary objectives of the pull request.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing touches
  • 📝 Generate docstrings

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@OreoYang OreoYang closed this Jan 20, 2026
@OreoYang OreoYang deleted the feat/review_plisql branch March 17, 2026 02:45
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