duckdb/community-extensions
Oct 2025 – Jan 2026
3 Months active
Languages Used
YAMLC++
Technical Skills
Build System ConfigurationConfiguration ManagementExtension Developmentdependency managementextension developmentC++ development
Dmitrij Kosmakov
PROFILE
Dmitrij Kosmakov
During a three-month period, Dmitry Kosmakov developed and maintained the QuackStore extension for the duckdb/community-extensions repository, focusing on block-level caching for remote files to accelerate repeated queries. He implemented this extension in C++ with configuration management using YAML, ensuring compatibility across multiple DuckDB versions and excluding unsupported platforms through targeted build system updates. Dmitry addressed a critical bug to improve production stability and upgraded dependencies to maintain alignment with upstream releases. His work emphasized database optimization, dependency management, and lifecycle maintenance, resulting in improved caching efficiency, reduced remote data latency, and enhanced reliability for downstream users of the repository.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
6Total
Bugs
1
Commits
6
Features
5
Lines of code
32
Activity Months3
Your Network
123 peopleWork History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for the duckdb/community-extensions repo. Focus was on upgrading the QuackStore extension to version 1.0.1 to align with DuckDB 1.4.4 and to implement remote file caching enhancements. The work emphasized compatibility, performance improvements for remote data access, and preparing the repository for ongoing upgrade cycles. No major bugs were reported/fixed this month. Overall impact: improved extension reliability and readiness for future DuckDB releases, with measurable gains in caching efficiency and reduced remote-data latency.
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for the duckdb/community-extensions repo. Focus was on upgrading the QuackStore extension to version 1.0.1 to align with DuckDB 1.4.4 and to implement remote file caching enhancements. The work emphasized compatibility, performance improvements for remote data access, and preparing the repository for ongoing upgrade cycles. No major bugs were reported/fixed this month. Overall impact: improved extension reliability and readiness for future DuckDB releases, with measurable gains in caching efficiency and reduced remote-data latency.
January 2026
November 2025
1 Commits
Nov 1, 2025Month 2025-11 — Summary focusing on stability and business value for the duckdb/community-extensions repo. Delivered a critical bug fix for the QuackStore extension and upgraded DuckDB to 1.4.2 to maintain compatibility and unlock improvements. All work is traceable to commit d577f093a7d539d7efd524306762afc2607a5a8b. This reduces production risk, improves reliability for downstream users, and positions the project for smoother upgrades in subsequent cycles.
November 2025
1 Commits
Nov 1, 2025Month 2025-11 — Summary focusing on stability and business value for the duckdb/community-extensions repo. Delivered a critical bug fix for the QuackStore extension and upgraded DuckDB to 1.4.2 to maintain compatibility and unlock improvements. All work is traceable to commit d577f093a7d539d7efd524306762afc2607a5a8b. This reduces production risk, improves reliability for downstream users, and positions the project for smoother upgrades in subsequent cycles.
October 2025
4 Commits • 4 Features
Oct 1, 2025This month delivered the QuackStore extension and related build/compatibility updates for the duckdb/community-extensions repository, with a focus on performance, build stability, and dependency alignment. Key outcomes include a block-level caching extension for remote files, environment-targeted build exclusions, up-to-date repository references, and DuckDB 1.4.1 compatibility. No major bugs were reported in this period; changes are feature improvements and lifecycle maintenance with clear traceability.
4 Commits • 4 Features
Oct 1, 2025This month delivered the QuackStore extension and related build/compatibility updates for the duckdb/community-extensions repository, with a focus on performance, build stability, and dependency alignment. Key outcomes include a block-level caching extension for remote files, environment-targeted build exclusions, up-to-date repository references, and DuckDB 1.4.1 compatibility. No major bugs were reported in this period; changes are feature improvements and lifecycle maintenance with clear traceability.
October 2025
Activity
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Quality Metrics
Correctness96.6%
Maintainability96.6%
Architecture96.6%
Performance96.6%
AI Usage23.4%
Skills & Technologies
Programming Languages
C++YAML
Technical Skills
Build System ConfigurationC++ developmentConfiguration ManagementExtension Developmentdatabase optimizationdependency managementextension development
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