May 2024 Update


Core Library

  • Optimize TRY and TRY_CAST for cases when many rows fail.

  • Add support for LEFT SEMI FILTER and RIGHT SEMI FILTER merge joins.

  • Add support for DECIMAL input to aggregations over distinct values. #9850

  • Add support for specifying overwrite behavior when registering simple scalar functions. #9158

  • Fix LEFT merge join with extra filter. #9862

  • Fix Nested Loop join with empty build and extra filter. #9892

  • Fix crash when copying complex vectors. #9725

  • Fix reuse of LazyVectors in TableScan to avoid crashes in downstream operators. #9811

  • Add support for including metadata identifying the operator that generated an error in error messages to ease troubleshooting. #9695

Presto Functions

Spark Functions

Hive Connector

  • Add support for projecting synthesized row-number column from Table Scan. #9174

Performance and Correctness

  • Optimize memory arbitration to avoid interference between queries to reduce overall query execution time.

  • Add cache expiration function to simple LRU cache to support remote IO throttling.

  • Add Fuzzers for TableWriter and RowNumber operators.

  • Add support for Nested Loop joins to Join Fuzzer.

  • Add support for testing different sorting flags to Window Fuzzer.

  • Add custom argument type generators for Presto decimal functions. #9715

  • Add support for logical input types in the evaluateOnce() unit test helper method. #9708

  • Re-enable testing of merge joins in Join Fuzzer.

Build System

  • Upgrade aws-sdk-cpp to 1.11.321 (from 1.11.169).

  • Upgrade cmake to 3.28.3 (from 3.14).

  • Upgrade simdjson to 3.9.3 (from 3.8.0).

  • Add support for docker image with Spark Connect server to use with Fuzzer. #9759

  • Add dashboard with build time metrics.


Ankita Victor, Ashwin Krishna Kumar, Bikramjeet Vig, Bradley Dice, Daniel Munoz, Deepak Majeti, Giuseppe Ottaviano, Jacob Wujciak-Jens, Jia Ke, Jialiang Tan, Jimmy Lu, Joe Abraham, Karteekmurthys, Ke, Kevin Wilfong, Kk Pulla, Krishna Pai, Ma, Rong, Masha Basmanova, NEUpanning, PHILO-HE, Patrick Sullivan, Pedro Eugenio Rocha Pedreira, Richard Barnes, Sandino Flores, Sergey Pershin, Ubuntu, Wei He, Weihan Tang, Yang Zhang, Zac Wen, Zuyu ZHANG, aditi-pandit, chliang, duanmeng, gaoyangxiaozhu, jay.narale, joey.ljy, kevin, kikimo, lingbin, rui-mo, svm1, xiaoxmeng, xumingming, yan ma, yanngyoung, yingsu00, zhli1142015, zhouyifan279, zjuwangg, zky.zhoukeyong, 高阳阳