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Overview  PackageDeprecated  Help  API Reference for EPL (ApamaDoc) 10.15.5.2
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com.apama.aggregates
Aggregate countUnique(string s) integer

Parameters:
s - The string to check for uniqueness.
Return the number of unique strings in the window.

If the window is empty returns 0.
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Overview  PackageDeprecated  Help  API Reference for EPL (ApamaDoc) 10.15.5.2
SUMMARY: IMPORT | CONSTANT | FIELD | ACTIONDETAIL: IMPORT | CONSTANT | FIELD | ACTION