create table "MemAvailable" (ts timestamp time index, instance string primary key, val double); create table "MemTotal" (ts timestamp time index, instance string primary key, val double); insert into "MemAvailable" values (0, 'host0', 10), (5000, 'host0', 20), (10000, 'host0', 30), (0, 'host1', 40), (5000, 'host1', 50), (10000, 'host1', 60); insert into "MemTotal" values (0, 'host0', 100), (5000, 'host0', 100), (10000, 'host0', 100), (0, 'host1', 100), (5000, 'host1', 100), (10000, 'host1', 100); select table_name from information_schema.tables where table_type = 'BASE TABLE' order by table_id; -- SQLNESS SORT_RESULT 3 1 tql eval (0,10,'5s') sum(MemAvailable / 4) + sum(MemTotal / 4); drop table "MemTotal"; create schema "AnotherSchema"; create table "AnotherSchema"."MemTotal" (ts timestamp time index, instance string primary key, val double); tql eval (0,10,'5s') sum(MemAvailable / 4) + sum(MemTotal / 4); -- Cross schema is not supported tql eval (0,10,'5s') sum(MemAvailable / 4) + sum({__name__="AnotherSchema.MemTotal"} / 4); drop table "MemAvailable"; drop table "AnotherSchema"."MemTotal"; drop schema "AnotherSchema";