v.20.4Bug Fix
Fix Parser Recursion Depth Limit Issue in ClickHouse
Fix the issue with limiting maximum recursion depth in parser in certain cases. This fixes #10283 This fix may introduce minor incompatibility: long and deep queries via clickhouse-client may refuse to work, and you should adjust settingsmax_query_sizeandmax_parser_depthaccordingly. #10295 (alexey-milovidov)