ATTACH TABLE _ UUID 'd4980969-afc4-4636-8cb0-cbd1aa16b056'
(
    `timeseries_name` String,
    `timeseries_key` UInt64,
    `field_name` String,
    `field_value` Int8,
    `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
