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thijs-s

PROFILE

Thijs-s

Worked on the duckdb/community-extensions repository, delivering features that enhanced extension performance, data lineage, and integration. Developed a caching mechanism for vcpkg dependencies to accelerate build times and automated workflows for archiving and deploying extension sources using C++ and YAML. Built and released the Duck Lineage extension, enabling query lineage capture and Open Lineage backend integration to improve data provenance and observability. Upgraded the Hive Metastore extension to support native read/write and in-DuckDB table management, reducing data movement for data engineers. Demonstrated skills in C++ development, CI/CD automation, database management, and cross-repository collaboration to improve reliability and maintainability.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

5Total
Bugs
1
Commits
5
Features
3
Lines of code
13,927
Activity Months3

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 monthly summary: Delivered a major feature upgrade in the Hive Metastore extension for the duckdb/community-extensions repository. Upgraded the extension to version 0.2.0, enabling native read/write and in-DuckDB table management, anchored by commit 6bccba4dd46699553ae0712ae10acb8cf5cbcc6b. This unlocks direct Hive Metastore data interactions from DuckDB and reduces data movement.

March 2026

2 Commits • 1 Features

Mar 1, 2026

Month: 2026-03 | Repository: duckdb/community-extensions | Focus: Data lineage capabilities via the Duck Lineage extension with Open Lineage backend integration. Overview: Implemented and released the Duck Lineage extension to enhance query lineage capture and integrate with an Open Lineage backend. This work strengthens data provenance, governance, and observability for DuckDB queries, enabling end-to-end lineage tracking and easier debugging across data pipelines.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for duckdb/community-extensions. Key features delivered include a caching mechanism for vcpkg dependencies to improve build performance for community extensions, and the establishment of workflows for archiving and deploying extension sources to streamline distribution and maintenance. Major bugs fixed include correcting the spelling of licence to license in the Hive Metastore extension description.yml. Overall impact focuses on faster builds, improved distribution of extensions, and clearer licensing metadata, contributing to more reliable releases. Technologies and skills demonstrated encompass build optimization, dependency caching, CI/CD workflow automation, YAML configuration accuracy, and cross-repo collaboration for distribution.

Activity

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Quality Metrics

Correctness92.0%
Maintainability92.0%
Architecture92.0%
Performance88.0%
AI Usage28.0%

Skills & Technologies

Programming Languages

C++JSONPythonYAML

Technical Skills

C++ developmentC++ programmingCI/CDDevOpsGitHub ActionsPython scriptingSQLYAML configurationdata lineage trackingdatabase managementdocumentationextension development

Repositories Contributed To

1 repo

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

duckdb/community-extensions

Feb 2026 May 2026
3 Months active

Languages Used

C++JSONPythonYAML

Technical Skills

C++ developmentCI/CDDevOpsGitHub ActionsPython scriptingYAML configuration