Fixed #29614 -- Added BTreeIndex to django.contrib.postres.

This commit is contained in:
Nick Pope 2018-07-30 23:28:11 +01:00 committed by Tim Graham
parent d6381d3559
commit 6b4d1ec8ff
5 changed files with 86 additions and 5 deletions

View file

@ -1,5 +1,5 @@
from django.contrib.postgres.indexes import (
BrinIndex, GinIndex, GistIndex, HashIndex, SpGistIndex,
BrinIndex, BTreeIndex, GinIndex, GistIndex, HashIndex, SpGistIndex,
)
from django.db import connection
from django.test import skipUnlessDBFeature
@ -47,6 +47,20 @@ class BrinIndexTests(IndexTestMixin, PostgreSQLTestCase):
BrinIndex(fields=['title'], name='test_title_brin', pages_per_range=0)
class BTreeIndexTests(IndexTestMixin, PostgreSQLTestCase):
index_class = BTreeIndex
def test_suffix(self):
self.assertEqual(BTreeIndex.suffix, 'btree')
def test_deconstruction(self):
index = BTreeIndex(fields=['title'], name='test_title_btree', fillfactor=80)
path, args, kwargs = index.deconstruct()
self.assertEqual(path, 'django.contrib.postgres.indexes.BTreeIndex')
self.assertEqual(args, ())
self.assertEqual(kwargs, {'fields': ['title'], 'name': 'test_title_btree', 'fillfactor': 80})
class GinIndexTests(IndexTestMixin, PostgreSQLTestCase):
index_class = GinIndex
@ -194,6 +208,34 @@ class SchemaTests(PostgreSQLTestCase):
editor.remove_index(CharFieldModel, index)
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
def test_btree_index(self):
# Ensure the table is there and doesn't have an index.
self.assertNotIn('field', self.get_constraints(CharFieldModel._meta.db_table))
# Add the index.
index_name = 'char_field_model_field_btree'
index = BTreeIndex(fields=['field'], name=index_name)
with connection.schema_editor() as editor:
editor.add_index(CharFieldModel, index)
constraints = self.get_constraints(CharFieldModel._meta.db_table)
# The index was added.
self.assertEqual(constraints[index_name]['type'], BTreeIndex.suffix)
# Drop the index.
with connection.schema_editor() as editor:
editor.remove_index(CharFieldModel, index)
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
def test_btree_parameters(self):
index_name = 'integer_array_btree_fillfactor'
index = BTreeIndex(fields=['field'], name=index_name, fillfactor=80)
with connection.schema_editor() as editor:
editor.add_index(CharFieldModel, index)
constraints = self.get_constraints(CharFieldModel._meta.db_table)
self.assertEqual(constraints[index_name]['type'], BTreeIndex.suffix)
self.assertEqual(constraints[index_name]['options'], ['fillfactor=80'])
with connection.schema_editor() as editor:
editor.remove_index(CharFieldModel, index)
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
def test_gist_index(self):
# Ensure the table is there and doesn't have an index.
self.assertNotIn('field', self.get_constraints(CharFieldModel._meta.db_table))