v.20.11Bug Fix
Fixed Duplicate Issues Caused by Incorrect DISTINCT Optimization
Fixed duplicates after DISTINCT which were possible because of incorrect optimization. This fixes #17294. #17296 (li chengxiang). #17439 (Nikolai Kochetov).Fixed duplicates after DISTINCT which were possible because of incorrect optimization. This fixes #17294. #17296 (li chengxiang). #17439 (Nikolai Kochetov).