Metadata functions

This section explains how to use metadata functions in APL.

The table summarizes the metadata functions available in APL.

FunctionDescription
column_ifexistsReturns a named field if it exists in the dataset, or a fallback expression if it doesn't.
cursor_currentReturns a cursor string that marks the current position in the query execution.
ingestion_timeReturns the timestamp of when each record was ingested into Axiom.