Documentation

SQL cache functions

The InfluxDB 3 Core SQL implementation supports the following functions that return data from InfluxDB 3 Core caches.

distinct_cache

Returns data from an InfluxDB 3 Core distinct value cache.

distinct_cache(table_name, cache_name)
  • Copy
  • Fill window

Arguments

  • table_name: Name of the table associated with the distinct value cache (formatted as a string literal).
  • datatype: Name of the the distinct value cache to query (formatted as a string literal).

View distinct_cache query example

last_cache

Returns data from an InfluxDB 3 Core last value cache.

last_cache(table_name, cache_name)
  • Copy
  • Fill window

Arguments

  • table_name: Name of the table associated with the last value cache (formatted as a string literal).
  • datatype: Name of the the last value cache to query (formatted as a string literal).

View last_cache query example


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