fix detect model primary key for older clickhouse versions

PNixx · Aug 27, 2024 · def2886 · def2886
1 parent 205e67d
commit def2886
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/active_record/connection_adapters/clickhouse_adapter.rb b/lib/active_record/connection_adapters/clickhouse_adapter.rb
@@ -279,6 +279,10 @@ def column_name_for_operation(operation, node) # :nodoc:
       def primary_keys(table_name)
         structure = do_system_execute("SHOW COLUMNS FROM `#{table_name}`")
         structure['data'].select {|m| m[3]&.include?('PRI') }.pluck(0)
+      rescue ActiveRecord::ActiveRecordError => e
+        pk = table_structure(table_name).first
+        return ['id'] if pk.present? && pk[0] == 'id'
+        []
       end
 
       def create_schema_dumper(options) # :nodoc: