trinodb/trino
Sep 2025 – Dec 2025
3 Months active
Languages Used
JavaMarkdownYAMLXML
Technical Skills
Database ConnectorsDocumentationJavaSQLCI/CDDatabase Management
Pieterjan Spoelders
PROFILE
Pieterjan Spoelders
Pieter-Jan Spoelders enhanced the Exasol integration in the trinodb/trino repository by delivering server-side pagination with LIMIT and TopN support, upgrading Exasol container versions, and modernizing CI testing infrastructure. He extended the ExasolClient in Java to construct efficient ORDER BY and LIMIT queries, updated documentation, and improved integration reliability through Docker-based container upgrades and dependency management. By optimizing CI/CD pipelines and refining integration tests with YAML configuration and Java, Pieter-Jan reduced deployment risk, improved startup performance, and ensured stable, maintainable Exasol-backed workflows. His work demonstrated depth in database connectors, DevOps, and integration testing, resulting in robust, scalable solutions.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
8Total
Bugs
1
Commits
8
Features
3
Lines of code
94
Activity Months3
Your Network
168 peopleShared Repositories
168
Work History
December 2025
5 Commits • 1 Features
Dec 1, 2025December 2025: Strengthened Exasol CI/testing stability in trinodb/trino by modernizing the integration test harness and optimizing resource usage. Delivered container and dependency upgrades, and implemented controlled test enablement to protect reliability. This work reduces CI disk pressure, speeds up feedback, and improves overall product quality for Exasol-backed deployments.
5 Commits • 1 Features
Dec 1, 2025December 2025: Strengthened Exasol CI/testing stability in trinodb/trino by modernizing the integration test harness and optimizing resource usage. Delivered container and dependency upgrades, and implemented controlled test enablement to protect reliability. This work reduces CI disk pressure, speeds up feedback, and improves overall product quality for Exasol-backed deployments.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered Exasol integration upgrade and CI test improvements for trinodb/trino. Upgraded the Exasol container to version 2025.1.3, added the COSLWD_ENABLED environment variable to reduce startup log clutter and speed up startup, and re-enabled and validated Exasol-related tests in CI to maintain integration reliability. These changes reduce deployment risk, improve startup performance, and restore end-to-end CI coverage for Exasol integration.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered Exasol integration upgrade and CI test improvements for trinodb/trino. Upgraded the Exasol container to version 2025.1.3, added the COSLWD_ENABLED environment variable to reduce startup log clutter and speed up startup, and re-enabled and validated Exasol-related tests in CI to maintain integration reliability. These changes reduce deployment risk, improve startup performance, and restore end-to-end CI coverage for Exasol integration.
September 2025
1 Commits • 1 Features
Sep 1, 20252025-09 Monthly Summary — Delivered TopN and LIMIT support in the Exasol plugin for Trino, enabling efficient server-side pagination and improved query performance. Features/changes include: ExasolClient extended to handle LIMIT and construct ORDER BY with LIMIT for TopN, plus updated documentation to reflect performance features. No major bugs fixed this month; focus was on feature delivery and maintainability. Overall impact: improved scalability for Exasol users and smoother user experience, with clean code changes and clear documentation. Technologies/skills demonstrated: Java plugin development, ExasolClient integration, query planning enhancements, and documentation/testing.
1 Commits • 1 Features
Sep 1, 20252025-09 Monthly Summary — Delivered TopN and LIMIT support in the Exasol plugin for Trino, enabling efficient server-side pagination and improved query performance. Features/changes include: ExasolClient extended to handle LIMIT and construct ORDER BY with LIMIT for TopN, plus updated documentation to reflect performance features. No major bugs fixed this month; focus was on feature delivery and maintainability. Overall impact: improved scalability for Exasol users and smoother user experience, with clean code changes and clear documentation. Technologies/skills demonstrated: Java plugin development, ExasolClient integration, query planning enhancements, and documentation/testing.
September 2025
Activity
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Quality Metrics
Correctness97.6%
Maintainability95.0%
Architecture95.0%
Performance97.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
JavaMarkdownXMLYAML
Technical Skills
CI/CDDatabase ConnectorsDatabase ManagementDependency ManagementDevOpsDockerDocumentationIntegration TestingJavaSQLTestingYAML configuration
Repositories Contributed To
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