ATTACH TABLE _ UUID 'be21d90c-6b36-43a1-94ab-751bb7faddf9'
(
    `timeseries_name` String,
    `timeseries_key` UInt64,
    `field_name` String,
    `field_value` UInt8,
    `last_updated_at` DateTime MATERIALIZED now()
)
ENGINE = ReplacingMergeTree
ORDER BY (timeseries_name, field_name, field_value, timeseries_key)
TTL last_updated_at + toIntervalDay(30)
SETTINGS index_granularity = 8192
