Coverage for python/lsst/daf/relation/_exceptions.py: 100%
5 statements
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« prev ^ index » next coverage.py v6.5.0, created at 2023-01-25 02:29 -0800
1# This file is part of daf_relation.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (http://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This program is free software: you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program. If not, see <http://www.gnu.org/licenses/>.
22from __future__ import annotations
24__all__ = (
25 "EngineError",
26 "ColumnError",
27 "RelationalAlgebraError",
28)
31class RelationalAlgebraError(RuntimeError):
32 """Exception type raised to indicate problems in the definition of a
33 relation tree.
34 """
37class EngineError(RelationalAlgebraError):
38 """Exception type raised to indicate that a relation tree is incompatible
39 with an engine, or has inconsistent engines.
40 """
43class ColumnError(RelationalAlgebraError):
44 """Exception type raised to indicate problems in a relation's columns
45 and/or unique keys.
46 """