TSCARD

This page documents the preview (v2.21) version. Preview includes features under active development and is for development and testing only. For production, use the stable (v2024.1) version.

Synopsis

TSCARD key

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

  • If the given key is associated with non-time series 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