Source code for

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

Customized DSL errors.
import forml

[docs]class UnprovisionedError(forml.MissingError): """Source or Feature resolving exception. Raised by DSL parsers when the given *source* or *feature* (typically :class:`dsl.Table <>` or :class:`dsl.Column <>`) can't be resolved using the available data sources. """
[docs]class UnsupportedError(forml.MissingError): """Indicating DSL operation unsupported by the given parser."""
[docs]class GrammarError(forml.InvalidError): """Indicating syntactical error in the given DSL query statement."""
class CastError(forml.InvalidError, ValueError): """Indicating inability to cast value to a given kind."""