DC
Size: a a a
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ASOF JOIN принимает метку времени пользовательского события из table_1 и находит такое событие в table_2 метка времени которого наиболее близка к метке времени события из table_1 в соответствии с условием на ближайшее совпадение.
DV
AP
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CREATE TABLE
logs
(
time DateTime,
unix_nano Int64,
log String,
stream String,
container String,
namespace String,
pod String,
host String,
app String,
team String,
labels Nested (
key String,
value String
)
) ENGINE = MergeTree()
PARTITION BY toYYYYMMDD(time)
ORDER BY (time, team, app, namespace, container, pod)
PRIMARY KEY (time, team, app, namespace, container, pod);
AP
CREATE TABLE
logs
(
time DateTime,
unix_nano Int64,
log String,
stream String,
container String,
namespace String,
pod String,
host String,
app String,
team String,
labels Nested (
key String,
value String
)
) ENGINE = MergeTree()
PARTITION BY toYYYYMMDD(time)
ORDER BY (time, team, app, namespace, container, pod)
PRIMARY KEY (time, team, app, namespace, container, pod);
DC
CREATE TABLE
logs
(
time DateTime,
unix_nano Int64,
log String,
stream String,
container String,
namespace String,
pod String,
host String,
app String,
team String,
labels Nested (
key String,
value String
)
) ENGINE = MergeTree()
PARTITION BY toYYYYMMDD(time)
ORDER BY (time, team, app, namespace, container, pod)
PRIMARY KEY (time, team, app, namespace, container, pod);
DV