Synopsis

TSCARD key

This command returns the number of entires in the given time series.

  • If the given key is associated with non-timeseries data, an error is raised.
  • If the given key is not associated with any data, 0 is returned.

Return value

Returns the number of entries in the given time series.

Examples

$ TSADD ts_key 10 v1 20 v2 30 v3 40 v4 50 v5
"OK"
$ TSCARD ts_key
(integer) 5
$ TSADD ts_key1 10 v1 20 v2 30 v3
"OK"
$ TSCARD ts_key1
(integer) 3

Non-existent key returns 0.

$ TSCARD ts_key2
(integer) 0

See also

tsadd, tsget, tsrem, tsrangebytime, tsrevrangebytime, tslastn