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Ilya Chudin

PROFILE

Ilya Chudin

Worked on the linq2db/linq2db repository to enhance SQL query stability and correctness across multiple database providers. Focused on backend development and database optimization using C# and SQL, addressing four complex bugs related to alias naming, recursive CTE generation, cross-provider date handling, and nullable constant definitions. Improved the AliasesHelper to ensure consistent handling of similar-cased table aliases and resolved regressions in set operations and type conversions. Emphasized robust unit testing and query validation, adding targeted tests to prevent future regressions. The work prioritized cross-database compatibility and maintainability, resulting in more reliable query generation and improved test coverage for LINQ-based data access.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

4Total
Bugs
4
Commits
4
Features
0
Lines of code
248
Activity Months1

Work History

October 2025

4 Commits

Oct 1, 2025

October 2025 (2025-10) monthly summary for the linq2db/linq2db repository. Focus this month was on stabilizing cross-provider SQL generation, preventing regressions, and improving test coverage to safeguard query correctness across data sources. Key bug fixes and related tests delivered.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#

Technical Skills

Backend DevelopmentDatabaseDatabase DevelopmentDatabase OptimizationDatabase Query OptimizationLINQRefactoringSQLTestingUnit Testing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

linq2db/linq2db

Oct 2025 Oct 2025
1 Month active

Languages Used

C#

Technical Skills

Backend DevelopmentDatabaseDatabase DevelopmentDatabase OptimizationDatabase Query OptimizationLINQ