Advanced policy expressions: stream analytics functions

Last published : Sep 30, 2026
Stream Analytics expressions begin with the ANALYTICS.STREAM(\<identifier\_name\>) prefix. The following list describes the functions that can be used with this prefix.
  • COLLECT_STATS
    Collect statistical data from the requests that are evaluated against the policy and create a record for each request.
  • REQUESTS
    Return the number of requests that exist for the specified record grouping. The value returned is of type unsigned long.
  • BANDWIDTH
    Return the bandwidth statistic for the specified record grouping. The value returned is of type unsigned long.
  • RESPTIME
    Return the response time statistic for the specified record grouping. The value returned is of type unsigned long.
  • CONNECTIONS
    Return the number of concurrent connections that exist for the specified record grouping. The value returned is of type unsigned long.
  • IS_TOP(n)
    Return a Boolean TRUE if the statistical value for the specified record grouping is one among the top n groups. Otherwise, return a Boolean FALSE.
  • CHECK_LIMIT
    Return a Boolean TRUE if the statistic for the specified record grouping has hit the preconfigured limit. Otherwise, return a Boolean FALSE.
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Policies and expressions