gensaschema.constraints module

Constraint Declarators

Helper functions to define constraints. These will be part of the generated schema modules. Copy or the reference the module where needed. The location is configurable.

Copyright:

Copyright 2010 - 2023 André Malo or his licensors, as applicable

License:

Licensed 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 “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

gensaschema.constraints.ForeignKey(columns, refcolumns, **kwargs)[source]

Append foreign key

Parameters:

  • columns (sequence) – Source columns

  • refcolumns (sequence) – Referred columns

  • **kwargs – Additional parameters

gensaschema.constraints.PrimaryKey(*columns, **kwargs)[source]

Append primary key

Parameters:

  • *columns – Constraint columns

  • **kwargs – Additional parameters

gensaschema.constraints.Unique(*columns, **kwargs)[source]

Append unique constraint

Parameters:

  • *columns – Constraint columns

  • **kwargs – Additional arguments