pyflink.table.catalog.Catalog.alter_function

Catalog.alter_function(function_path: pyflink.table.catalog.ObjectPath, new_function: pyflink.table.catalog.CatalogFunction, ignore_if_not_exists: bool)

Modify an existing function.

Parameters

• function_path – Path ObjectPath of the function.

• new_function – The function CatalogFunction to be modified.

• ignore_if_not_exists – Flag to specify behavior if the function does not exist: if set to false, throw an exception if set to true, nothing happens

Raise

CatalogException in case of any runtime exception. FunctionNotExistException if the function does not exist.