v.20.10Bug Fix
Fixed Duplicate Rows Caused by Incorrect Optimization in DISTINCT Queries
Fixed duplicates after DISTINCT which were possible because of incorrect optimization. Fixes #17294. #17296 (li chengxiang). #17439 (Nikolai Kochetov).Fixed duplicates after DISTINCT which were possible because of incorrect optimization. Fixes #17294. #17296 (li chengxiang). #17439 (Nikolai Kochetov).