v.21.6Bug Fix
Multiple Fixes for Hedged Requests in ClickHouse
Multiple fixes for hedged requests. Fixed an errorCan't initialize pipeline with empty pipefor queries withGLOBAL IN/JOINwhen the settinguse_hedged_requestsis enabled. Fixes #23431. #23805 (Nikolai Kochetov). Fixed a race condition in hedged connections which leads to crash. This fixes #22161. #22443 (Kruglov Pavel). Fix possible crash in case ifunknown packetwas received from remote query (withasync_socket_for_remoteenabled). Fixes #21167. #23309 (Nikolai Kochetov).