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https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-14 20:57:19 -04:00
Mike Bayer
0995220750
Reworked the :meth:`.ClauseElement.compare` methods in terms of a new visitor-based approach, and additionally added test coverage ensuring that all :class:`.ClauseElement` subclasses can be accurately compared against each other in terms of structure. Structural comparison capability is used to a small degree within the ORM currently, however it also may form the basis for new caching features. Fixes: #4336 Change-Id: I581b667d8e1642a6c27165cc9f4aded1c66effc6
13 lines
379 B
Python
13 lines
379 B
Python
from sqlalchemy.sql import util as sql_util
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from sqlalchemy.sql.elements import ColumnElement
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from sqlalchemy.testing import eq_
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from sqlalchemy.testing import fixtures
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class MiscTest(fixtures.TestBase):
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def test_column_element_no_visit(self):
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class MyElement(ColumnElement):
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pass
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eq_(sql_util.find_tables(MyElement(), check_columns=True), [])
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