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google / cql

An experimental Clinical Quality Language execution engine for analyzing FHIR healthcare data at scale.
Apache License 2.0
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Implement Count system operator. #11

Closed copybara-service[bot] closed 2 months ago

copybara-service[bot] commented 2 months ago

Implement Count system operator.

We model Count as a UnaryExpression for now, since as far as we can tell there is no way to set the "path" field on an AggregateExpression via CQL.