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Fixed #29547 -- Added support for partial indexes.

Browse source 
Thanks to Ian Foote, Mariusz Felisiak, Simon Charettes, and
Markus Holtermann for comments and feedback.
This commit is contained in:
Mads Jensen 2018-09-13 09:34:02 +02:00 • committed by Tim Graham
parent 9625d13f7b
commit a906c98982
17 changed files with 320 additions and 9 deletions
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34
tests/postgres_tests/test_indexes.py
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@ -4,8 +4,12 @@ from django.contrib.postgres.indexes import (
BrinIndex, BTreeIndex, GinIndex, GistIndex, HashIndex, SpGistIndex,
)
from django.db import connection
from django.db.models import CharField
from django.db.models.functions import Length
from django.db.models.query_utils import Q
from django.db.utils import NotSupportedError
from django.test import skipUnlessDBFeature
from django.test.utils import register_lookup
from . import PostgreSQLTestCase
from .models import CharFieldModel, IntegerArrayModel
@ -172,6 +176,36 @@ class SchemaTests(PostgreSQLTestCase):
editor.remove_index(IntegerArrayModel, index)
self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
def test_partial_gin_index(self):
with register_lookup(CharField, Length):
index_name = 'char_field_gin_partial_idx'
index = GinIndex(fields=['field'], name=index_name, condition=Q(field__length=40))
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'], 'gin')
with connection.schema_editor() as editor:
editor.remove_index(CharFieldModel, index)
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
def test_partial_gin_index_with_tablespace(self):
with register_lookup(CharField, Length):
index_name = 'char_field_gin_partial_idx'
index = GinIndex(
fields=['field'],
name=index_name,
condition=Q(field__length=40),
db_tablespace='pg_default',
)
with connection.schema_editor() as editor:
editor.add_index(CharFieldModel, index)
self.assertIn('TABLESPACE "pg_default" ', str(index.create_sql(CharFieldModel, editor)))
constraints = self.get_constraints(CharFieldModel._meta.db_table)
self.assertEqual(constraints[index_name]['type'], 'gin')
with connection.schema_editor() as editor:
editor.remove_index(CharFieldModel, index)
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
@skipUnlessDBFeature('has_gin_pending_list_limit')
def test_gin_parameters(self):
index_name = 'integer_array_gin_params'