365 lines
17 KiB
Python
365 lines
17 KiB
Python
from unittest import mock
|
|
|
|
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 PostgreSQLSimpleTestCase, PostgreSQLTestCase
|
|
from .models import CharFieldModel, IntegerArrayModel
|
|
|
|
|
|
class IndexTestMixin:
|
|
|
|
def test_name_auto_generation(self):
|
|
index = self.index_class(fields=['field'])
|
|
index.set_name_with_model(CharFieldModel)
|
|
self.assertRegex(index.name, r'postgres_te_field_[0-9a-f]{6}_%s' % self.index_class.suffix)
|
|
|
|
def test_deconstruction_no_customization(self):
|
|
index = self.index_class(fields=['title'], name='test_title_%s' % self.index_class.suffix)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.%s' % self.index_class.__name__)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {'fields': ['title'], 'name': 'test_title_%s' % self.index_class.suffix})
|
|
|
|
|
|
class BrinIndexTests(IndexTestMixin, PostgreSQLSimpleTestCase):
|
|
index_class = BrinIndex
|
|
|
|
def test_suffix(self):
|
|
self.assertEqual(BrinIndex.suffix, 'brin')
|
|
|
|
def test_deconstruction(self):
|
|
index = BrinIndex(fields=['title'], name='test_title_brin', autosummarize=True, pages_per_range=16)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.BrinIndex')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {
|
|
'fields': ['title'],
|
|
'name': 'test_title_brin',
|
|
'autosummarize': True,
|
|
'pages_per_range': 16,
|
|
})
|
|
|
|
def test_invalid_pages_per_range(self):
|
|
with self.assertRaisesMessage(ValueError, 'pages_per_range must be None or a positive integer'):
|
|
BrinIndex(fields=['title'], name='test_title_brin', pages_per_range=0)
|
|
|
|
|
|
class BTreeIndexTests(IndexTestMixin, PostgreSQLSimpleTestCase):
|
|
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, PostgreSQLSimpleTestCase):
|
|
index_class = GinIndex
|
|
|
|
def test_suffix(self):
|
|
self.assertEqual(GinIndex.suffix, 'gin')
|
|
|
|
def test_deconstruction(self):
|
|
index = GinIndex(
|
|
fields=['title'],
|
|
name='test_title_gin',
|
|
fastupdate=True,
|
|
gin_pending_list_limit=128,
|
|
)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.GinIndex')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {
|
|
'fields': ['title'],
|
|
'name': 'test_title_gin',
|
|
'fastupdate': True,
|
|
'gin_pending_list_limit': 128,
|
|
})
|
|
|
|
|
|
class GistIndexTests(IndexTestMixin, PostgreSQLSimpleTestCase):
|
|
index_class = GistIndex
|
|
|
|
def test_suffix(self):
|
|
self.assertEqual(GistIndex.suffix, 'gist')
|
|
|
|
def test_deconstruction(self):
|
|
index = GistIndex(fields=['title'], name='test_title_gist', buffering=False, fillfactor=80)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.GistIndex')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {
|
|
'fields': ['title'],
|
|
'name': 'test_title_gist',
|
|
'buffering': False,
|
|
'fillfactor': 80,
|
|
})
|
|
|
|
|
|
class HashIndexTests(IndexTestMixin, PostgreSQLSimpleTestCase):
|
|
index_class = HashIndex
|
|
|
|
def test_suffix(self):
|
|
self.assertEqual(HashIndex.suffix, 'hash')
|
|
|
|
def test_deconstruction(self):
|
|
index = HashIndex(fields=['title'], name='test_title_hash', fillfactor=80)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.HashIndex')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {'fields': ['title'], 'name': 'test_title_hash', 'fillfactor': 80})
|
|
|
|
|
|
class SpGistIndexTests(IndexTestMixin, PostgreSQLSimpleTestCase):
|
|
index_class = SpGistIndex
|
|
|
|
def test_suffix(self):
|
|
self.assertEqual(SpGistIndex.suffix, 'spgist')
|
|
|
|
def test_deconstruction(self):
|
|
index = SpGistIndex(fields=['title'], name='test_title_spgist', fillfactor=80)
|
|
path, args, kwargs = index.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.indexes.SpGistIndex')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {'fields': ['title'], 'name': 'test_title_spgist', 'fillfactor': 80})
|
|
|
|
|
|
class SchemaTests(PostgreSQLTestCase):
|
|
|
|
def get_constraints(self, table):
|
|
"""
|
|
Get the indexes on the table using a new cursor.
|
|
"""
|
|
with connection.cursor() as cursor:
|
|
return connection.introspection.get_constraints(cursor, table)
|
|
|
|
def test_gin_index(self):
|
|
# Ensure the table is there and doesn't have an index.
|
|
self.assertNotIn('field', self.get_constraints(IntegerArrayModel._meta.db_table))
|
|
# Add the index
|
|
index_name = 'integer_array_model_field_gin'
|
|
index = GinIndex(fields=['field'], name=index_name)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_index(IntegerArrayModel, index)
|
|
constraints = self.get_constraints(IntegerArrayModel._meta.db_table)
|
|
# Check gin index was added
|
|
self.assertEqual(constraints[index_name]['type'], GinIndex.suffix)
|
|
# Drop the index
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_index(IntegerArrayModel, index)
|
|
self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
|
|
|
|
def test_gin_fastupdate(self):
|
|
index_name = 'integer_array_gin_fastupdate'
|
|
index = GinIndex(fields=['field'], name=index_name, fastupdate=False)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_index(IntegerArrayModel, index)
|
|
constraints = self.get_constraints(IntegerArrayModel._meta.db_table)
|
|
self.assertEqual(constraints[index_name]['type'], 'gin')
|
|
self.assertEqual(constraints[index_name]['options'], ['fastupdate=off'])
|
|
with connection.schema_editor() as editor:
|
|
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))
|
|
|
|
def test_gin_parameters(self):
|
|
index_name = 'integer_array_gin_params'
|
|
index = GinIndex(fields=['field'], name=index_name, fastupdate=True, gin_pending_list_limit=64)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_index(IntegerArrayModel, index)
|
|
constraints = self.get_constraints(IntegerArrayModel._meta.db_table)
|
|
self.assertEqual(constraints[index_name]['type'], 'gin')
|
|
self.assertEqual(constraints[index_name]['options'], ['gin_pending_list_limit=64', 'fastupdate=on'])
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_index(IntegerArrayModel, index)
|
|
self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
|
|
|
|
def test_brin_index(self):
|
|
index_name = 'char_field_model_field_brin'
|
|
index = BrinIndex(fields=['field'], name=index_name, pages_per_range=4)
|
|
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'], BrinIndex.suffix)
|
|
self.assertEqual(constraints[index_name]['options'], ['pages_per_range=4'])
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_index(CharFieldModel, index)
|
|
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature('has_brin_autosummarize')
|
|
def test_brin_parameters(self):
|
|
index_name = 'char_field_brin_params'
|
|
index = BrinIndex(fields=['field'], name=index_name, autosummarize=True)
|
|
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'], BrinIndex.suffix)
|
|
self.assertEqual(constraints[index_name]['options'], ['autosummarize=on'])
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_index(CharFieldModel, index)
|
|
self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
|
|
|
|
def test_brin_autosummarize_not_supported(self):
|
|
index_name = 'brin_options_exception'
|
|
index = BrinIndex(fields=['field'], name=index_name, autosummarize=True)
|
|
with self.assertRaisesMessage(NotSupportedError, 'BRIN option autosummarize requires PostgreSQL 10+.'):
|
|
with mock.patch('django.db.backends.postgresql.features.DatabaseFeatures.has_brin_autosummarize', False):
|
|
with connection.schema_editor() as editor:
|
|
editor.add_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))
|
|
# Add the index.
|
|
index_name = 'char_field_model_field_gist'
|
|
index = GistIndex(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'], GistIndex.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_gist_parameters(self):
|
|
index_name = 'integer_array_gist_buffering'
|
|
index = GistIndex(fields=['field'], name=index_name, buffering=True, 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'], GistIndex.suffix)
|
|
self.assertEqual(constraints[index_name]['options'], ['buffering=on', '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_hash_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_hash'
|
|
index = HashIndex(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'], HashIndex.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_hash_parameters(self):
|
|
index_name = 'integer_array_hash_fillfactor'
|
|
index = HashIndex(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'], HashIndex.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_spgist_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_spgist'
|
|
index = SpGistIndex(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'], SpGistIndex.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_spgist_parameters(self):
|
|
index_name = 'integer_array_spgist_fillfactor'
|
|
index = SpGistIndex(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'], SpGistIndex.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))
|