create table t ( ts timestamp time index, host string primary key, not_pk string, val double, ); insert into t values (0, 'a', '🌕', 1.0), (1, 'b', '🌖', 2.0), (2, 'a', '🌗', 3.0), (3, 'c', '🌘', 4.0), (4, 'a', '🌑', 5.0), (5, 'b', '🌒', 6.0), (6, 'a', '🌓', 7.0), (7, 'c', '🌔', 8.0), (8, 'd', '🌕', 9.0); select last_value(host order by ts) as ordered_host, last_value(not_pk order by ts), last_value(val order by ts) from t group by host order by ordered_host; -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (peers.*) REDACTED -- SQLNESS REPLACE (partitioning.*) REDACTED explain select last_value(host order by ts), last_value(not_pk order by ts), last_value(val order by ts) from t group by host; -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (elapsed_compute.*) REDACTED -- SQLNESS REPLACE (peers.*) REDACTED -- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED -- SQLNESS REPLACE (metrics.*) REDACTED -- SQLNESS REPLACE (partitioning.*) REDACTED -- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED explain analyze select last_value(host order by ts), last_value(not_pk order by ts), last_value(val order by ts) from t group by host; select last_value(ts order by ts) from t; -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (peers.*) REDACTED -- SQLNESS REPLACE (partitioning.*) REDACTED explain select last_value(ts order by ts) from t; -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (elapsed_compute.*) REDACTED -- SQLNESS REPLACE (peers.*) REDACTED -- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED -- SQLNESS REPLACE (metrics.*) REDACTED -- SQLNESS REPLACE (partitioning.*) REDACTED -- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED explain analyze select last_value(ts order by ts) from t; drop table t;