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Shubham Sinha

PROFILE

Shubham Sinha

Shubham Sinha focused on reliability and correctness improvements in the percona/percona-server repository, addressing critical bugs in data export, initialization, and diagnostics. He enhanced mysqldump’s string escaping by ensuring correct quote handling in C and SQL, reducing data corruption and injection risks. For initialization, he implemented a robust multi-statement parser in C++, improving startup stability by independently processing statements in init files. In diagnostics, he resolved privilege errors in sys.diagnostics() by conditionally executing SQL commands based on configuration, verified through automated testing. Shubham’s work demonstrated strong skills in C, SQL, and database administration, delivering targeted, maintainable solutions to complex issues.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

4Total
Bugs
3
Commits
4
Features
0
Lines of code
469
Activity Months3

Work History

May 2025

1 Commits

May 1, 2025

May 2025 Monthly Summary for percona/percona-server focusing on delivering reliability and diagnostics improvements with targeted bug fixes and improved test coverage.

April 2025

1 Commits

Apr 1, 2025

Month: 2025-04. Focused on improving reliability and stability of init-file parsing in percona/percona-server. Implemented a robust multi-statement init file parser, ensuring each statement is parsed independently and properly executed by appending a null character to correctly parse statements, preventing syntax errors and assertion failures. The work reduces deployment risks and improves startup robustness.

February 2025

2 Commits

Feb 1, 2025

In February 2025, focused on correctness and security in the mysqldump data-export path for the percona-server repository. The team fixed incorrect quote handling by ensuring fprintf_string passes the actual quote character to mysql_real_escape_string_quote, added regression tests, and ensured cross-branch coverage for trunk and MySQL 5.7. These changes reduce data corruption risk and injection vulnerabilities, and improve overall reliability of logical dumps.

Activity

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Quality Metrics

Correctness100.0%
Maintainability95.0%
Architecture90.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CC++SQLShell

Technical Skills

Bug FixBug FixingC ProgrammingC++DatabaseDatabase AdministrationSQLSQL DevelopmentSystem AdministrationTesting

Repositories Contributed To

1 repo

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

percona/percona-server

Feb 2025 May 2025
3 Months active

Languages Used

CC++SQLShell

Technical Skills

Bug FixC ProgrammingC++DatabaseSQLBug Fixing

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