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Code Issues 32 Releases Wiki Activity

[3.0.x] Fixed #30967 -- Fixed TrigramTest failures on PostgreSQL 12+.

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Backport of 6e2f05b2e3 from master
This commit is contained in:
Hannes Ljungberg
2019-11-08 21:20:13 +01:00
committed by Mariusz Felisiak
parent 2c2afbe104
commit 8d3f43f7a9
1 changed files with 6 additions and 2 deletions
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8
tests/postgres_tests/test_trigram.py
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@@ -26,22 +26,26 @@ class TrigramTest(PostgreSQLTestCase):
def test_trigram_similarity(self):
search = 'Bat sat on cat.'
# Round result of similarity because PostgreSQL 12+ uses greater
# precision.
self.assertQuerysetEqual(
self.Model.objects.filter(
field__trigram_similar=search,
).annotate(similarity=TrigramSimilarity('field', search)).order_by('-similarity'),
[('Cat sat on mat.', 0.625), ('Dog sat on rug.', 0.333333)],
transform=lambda instance: (instance.field, instance.similarity),
transform=lambda instance: (instance.field, round(instance.similarity, 6)),
ordered=True,
)
def test_trigram_similarity_alternate(self):
# Round result of distance because PostgreSQL 12+ uses greater
# precision.
self.assertQuerysetEqual(
self.Model.objects.annotate(
distance=TrigramDistance('field', 'Bat sat on cat.'),
).filter(distance__lte=0.7).order_by('distance'),
[('Cat sat on mat.', 0.375), ('Dog sat on rug.', 0.666667)],
transform=lambda instance: (instance.field, instance.distance),
transform=lambda instance: (instance.field, round(instance.distance, 6)),
ordered=True,
)