create table shjy.event ( `#ip` Nullable(IPv4), `#country` Nullable(String), `#country_code` Nullable(String), `#province` Nullable(String), `#city` Nullable(String), `#os_version` Nullable(String), `#manufacturer` Nullable(String), `#os` Nullable(String), `#device_id` Nullable(String), `#screen_height` Nullable(UInt16), `#screen_width` Nullable(UInt16), `#device_model` Nullable(String), `#app_version` Nullable(String), `#bundle_id` Nullable(String), `#lib` Nullable(String), `#lib_version` Nullable(String), `#network_type` Nullable(String), `#carrier` Nullable(String), `#browser` Nullable(String), `#browser_version` Nullable(String), `#duration` Nullable(String), `#url` Nullable(String), `#url_path` Nullable(String), `#referrer` Nullable(String), `#referrer_host` Nullable(String), `#title` Nullable(String), `#screen_name` Nullable(String), `#element_id` Nullable(String), `#element_type` Nullable(String), `#resume_from_background` Nullable(String), `#element_selector` Nullable(String), `#element_position` Nullable(String), `#element_content` Nullable(String), `#scene` Nullable(String), `#mp_platform` Nullable(String), `#app_crashed_reason` Nullable(String), `#zone_offset` Int8 default 8, `#event_id` String, `#event_time` DateTime('UTC'), `#account_id` String, `#distinct_id` Nullable(String), `#event_name` String, `#server_time` DateTime('UTC') default now(), `sign` Int8 default 1 ) ENGINE = CollapsingMergeTree(sign) PARTITION BY toYYYYMMDD(`#event_time`) order by (`#account_id`, `#event_time`, `#event_name`) -- TTL event_time + toIntervalDay(365)