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Jason Zhang

PROFILE

Jason Zhang

Ziyang Liu contributed to the StarRocks ecosystem by enhancing backend reliability and expanding data integration capabilities. In the StarRocks/starrocks repository, he addressed a critical bug in the JNI Scanner, ensuring column names were correctly handled under case sensitivity rules, which stabilized data ingestion and materialized view maintenance. Later, in crossoverJie/starrocks, he implemented support for Paimon views within the StarRocks catalog, enabling seamless creation and management of Paimon-specific views and broadening data source compatibility. His work leveraged Java, SQL, and backend development skills, demonstrating a focused approach to solving targeted integration and correctness challenges in complex database environments.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
529
Activity Months2

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026: Focused on augmenting StarRocks catalog with Paimon data integration to broaden data source support and improve modeling capabilities. Delivered Paimon Views Support in the StarRocks catalog for the crossoverJie/starrocks repository, enabling creation, retrieval, and management of Paimon-specific views. This enhancement reduces data modeling friction and accelerates cross-source analytics.

December 2024

1 Commits

Dec 1, 2024

December 2024 highlights for StarRocks/starrocks focusing on correctness and reliability in metadata handling. Delivered a critical bug fix to the JNI Scanner to correctly handle column names under case sensitivity rules, ensuring proper formatting before adding to the set of names and preventing incorrect updates to materialized columns. This fix stabilizes data ingestion pipelines and materialized view maintenance when case-sensitive settings are enabled. Implemented as a targeted change with commit a9d3f2aa0043115007c7f41a0fc5f32622974921 (PR/issue reference #54041).

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance70.0%
AI Usage30.0%

Skills & Technologies

Programming Languages

C++Java

Technical Skills

Bug FixCase Sensitivity HandlingJNIJavaSQLbackend developmentdatabase management

Repositories Contributed To

2 repos

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

StarRocks/starrocks

Dec 2024 Dec 2024
1 Month active

Languages Used

C++

Technical Skills

Bug FixCase Sensitivity HandlingJNI

crossoverJie/starrocks

Feb 2026 Feb 2026
1 Month active

Languages Used

Java

Technical Skills

JavaSQLbackend developmentdatabase management