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  • Nanjing

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Achievement: Arctic Code Vault ContributorAchievement: Pull Shark

Achievements

Achievement: Arctic Code Vault ContributorAchievement: Pull Shark

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@apache

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weiqxu/README.md

Hi, I'm Weiqing Xu

Database and data infrastructure engineer with over a decade of experience building database engines, analytical systems, client protocols, and distributed data services.

Apache Trafodion Committer. Currently focused on cloud data warehouses, query execution, database connectivity, and high-performance data transfer.

What I work on

  • Database engines and query processing
  • ODBC, JDBC, and Python database clients
  • Database authorization, security, and auditing
  • Analytical databases and distributed data infrastructure

Featured work

Trafodion NativeLite

A lightweight native execution mode for Apache Trafodion that removes Hadoop ecosystem dependencies from the selected build path and supports local SQL engine development and testing.

Highlights: C++, SQL compiler and executor, RocksDB, transactions, and regression testing.

Current interests

  • Embeddable database engines
  • Vectorized and columnar execution
  • Query optimization
  • Arrow-based database connectivity
  • AI-assisted database development

Languages and tools

C++ · Java · Python · SQL · PostgreSQL · Arrow Flight SQL · ClickHouse

Contact

xuweiqingchn at gmail dot com

Popular repositories Loading

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    A standalone Trafodion derivative experimental product that does not rely on Hadoop

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  2. weiqxu weiqxu Public

    Config files for my GitHub profile.

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