pyspark.sql.Catalog.listFunctions ¶

Catalog. listFunctions ( dbName : Optional [ str ] = None , pattern : Optional [ str ] = None ) → List [ pyspark.sql.catalog.Function ] [source] ¶

Returns a list of functions registered in the specified database.

New in version 3.4.0.

Parameters

dbName str: name of the database to list the functions. dbName can be qualified with catalog name.
pattern str: The pattern that the function name needs to match.

Returns

list: A list of Function .

Notes

If no database is specified, the current database and catalog are used. This API includes all temporary functions.

Examples

           >>> spark.catalog.listFunctions()
[Function(name=...

           >>> spark.catalog.listFunctions(pattern="to_*")
[Function(name=...

           >>> spark.catalog.listFunctions(pattern="*not_existing_func*")
[]

pyspark.sql.Catalog.listDatabases

pyspark.sql.Catalog.listTables