11.111. Release 0.130

General Changes

  • Fix a performance regression in GROUP BY and JOIN queries when thelength of the keys is between 16 and 31 bytes.
  • Add map_concat() function.
  • Performance improvements for filters, projections and dictionary encoded data.This optimization is turned off by default. It can be configured via theoptimizer.columnar-processing-dictionary config property or thecolumnar_processing_dictionary session property.
  • Improve performance of aggregation queries with large numbers of groups.
  • Improve performance for queries that use ARRAY type.
  • Fix querying remote views in MySQL and PostgreSQL connectors.