OPAL Verbs By Category



Aggregate verbs

Aggregate verbs establish an aggregate context: multiple input rows

Filter verbs

Filter verbs select particular rows from the input row set, emitting the matches as output.

Join verbs

Join verbs link multiple datasets together.

Metadata verbs

Metadata verbs modify the metadata of the dataset and the columns in the

Metrics verbs

Metrics verbs create, aggregate, or normalize time series values.

Projection verbs

Projection verbs create, remove, or rename columns in a dataset.

Semistructured verbs

Semistructured verbs act upon, or produce, arrays or objects that are

All OPAL Verbs