apache/doris
Jun 2025 – Dec 2025
2 Months active
Languages Used
GroovyJavaSQLC++
Technical Skills
Backend DevelopmentCachingConfiguration ManagementData WarehousingDatabase IntegrationSQL
wlong
PROFILE
Wlong
During their work on the apache/doris repository, this developer delivered two major backend features and a targeted bug fix over two months. They implemented incremental reads for Paimon tables, enabling snapshot and timestamp-based querying to improve analytics and data freshness, using Java and SQL with robust validation and regression testing. Additionally, they enhanced metadata caching by introducing an expire-after-access policy with configurable options, optimizing cache reliability for hot data. Addressing production reliability, they fixed malformed Flight SQL ticket handling in C++ and Java, improving error logging and robustness for queries with special characters. Their work demonstrated depth in backend systems and data integration.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
4Total
Bugs
1
Commits
4
Features
2
Lines of code
917
Activity Months2
Your Network
110 peopleWork History
December 2025
2 Commits
Dec 1, 2025December 2025: Delivered a targeted bug fix improving Flight SQL ticket processing robustness in Apache Doris. Addressed malformed ticket errors when SQL contains special characters (e.g., '&'), and enhanced error logging to provide richer context for easier troubleshooting. This work reduces ticket-related failures and improves production query reliability.
2 Commits
Dec 1, 2025December 2025: Delivered a targeted bug fix improving Flight SQL ticket processing robustness in Apache Doris. Addressed malformed ticket errors when SQL contains special characters (e.g., '&'), and enhanced error logging to provide richer context for easier troubleshooting. This work reduces ticket-related failures and improves production query reliability.
December 2025
June 2025
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for repository apache/doris. This period delivered two major features with emphasis on correctness, data freshness, and cache reliability. The work aligns with improving analytics capabilities and hot data responsiveness, with strong testing coverage to ensure correctness.
June 2025
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for repository apache/doris. This period delivered two major features with emphasis on correctness, data freshness, and cache reliability. The work aligns with improving analytics capabilities and hot data responsiveness, with strong testing coverage to ensure correctness.
Activity
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Quality Metrics
Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++GroovyJavaSQL
Technical Skills
Backend DevelopmentC++CachingConfiguration ManagementData WarehousingDatabase IntegrationJavaSQLSystem DesignTestingbackend development
Repositories Contributed To
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