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Fixed #27935 -- Fixed crash with BrinIndex name > 30 characters.

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This commit is contained in:
Mads Jensen 2017-03-17 19:01:25 +01:00 • committed by Tim Graham
parent 93eca976c1
commit 82bb4e684f
3 changed files with 30 additions and 7 deletions
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13
tests/postgres_tests/test_indexes.py
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@ -3,7 +3,7 @@ from django.db import connection
from django.test import skipUnlessDBFeature
from . import PostgreSQLTestCase
from .models import CharFieldModel, IntegerArrayModel
from .models import CharFieldModel, DateTimeArrayModel, IntegerArrayModel
@skipUnlessDBFeature('has_brin_index_support')
@ -23,6 +23,17 @@ class BrinIndexTests(PostgreSQLTestCase):
index_with_page_range = BrinIndex(fields=['title'], pages_per_range=16)
self.assertNotEqual(index, index_with_page_range)
def test_name_auto_generation(self):
"""
A name longer than 30 characters (since len(BrinIndex.suffix) is 4
rather than usual limit of 3) is okay for PostgreSQL. For this test,
the name of the field ('datetimes') must be at least 7 characters to
generate a name longer than 30 characters.
"""
index = BrinIndex(fields=['datetimes'])
index.set_name_with_model(DateTimeArrayModel)
self.assertEqual(index.name, 'postgres_te_datetim_abf104_brin')
def test_deconstruction(self):
index = BrinIndex(fields=['title'], name='test_title_brin')
path, args, kwargs = index.deconstruct()