SET max_subquery_depth = 3; SELECT 1 FROM remote('127.0.0.{1,2}', system.one) WHERE 1 GLOBAL IN (SELECT 1 FROM remote('127.0.0.{1,2}', system.one) WHERE 1 GLOBAL IN (SELECT 1 FROM remote('127.0.0.{1,2}', system.one) WHERE 1 GLOBAL IN (SELECT 1 FROM remote('127.0.0.{1,2}', system.one)))); SELECT 2 FROM system.one WHERE 1 IN (SELECT 1 FROM system.one WHERE 1 IN (SELECT 1 FROM system.one WHERE 1 IN (SELECT 1 FROM system.one)));