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Fixed bug with keyset pagination over compound primary keys

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Closes #190
This commit is contained in:
Simon Willison 2018-03-29 22:10:09 -07:00
commit 31f63d1672
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5 changed files with 88 additions and 10 deletions
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16
tests/test_utils.py
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@ -224,3 +224,19 @@ def test_temporary_docker_directory_uses_copy_if_hard_link_fails(mock_link):
assert 'world' == open(hello).read()
# It should be a copy, not a hard link
assert 1 == os.stat(hello).st_nlink
def test_compound_keys_after_sql():
assert '([a] > :p0)' == utils.compound_keys_after_sql(['a'])
assert '''
([a] > :p0)
or
([a] = :p0 and [b] > :p1)
'''.strip() == utils.compound_keys_after_sql(['a', 'b'])
assert '''
([a] > :p0)
or
([a] = :p0 and [b] > :p1)
or
([a] = :p0 and [b] = :p1 and [c] > :p2)
'''.strip() == utils.compound_keys_after_sql(['a', 'b', 'c'])