v.19.4Bug Fixes
Avoid Deadlock When the Invalidate_query for a Dictionary with Clickhouse Source Was Involving System.dictionaries Table or Dictionaries Database (rare Case)
Avoid deadlock when theinvalidate_queryfor a dictionary withclickhousesource was involvingsystem.dictionariestable orDictionariesdatabase (rare case). #4599 (alexey-milovidov)