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Fixed #26327 -- Added JsonAgg to contrib.postgres.

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Thanks Tim Graham for review.
This commit is contained in:
Mads Jensen 2016-09-26 13:16:03 +02:00 • committed by Tim Graham
parent 52188a5ca6
commit 0a26f3c338
4 changed files with 46 additions and 6 deletions
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27
tests/postgres_tests/test_aggregates.py
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@ -1,14 +1,21 @@
from django.contrib.postgres.aggregates import (
ArrayAgg, BitAnd, BitOr, BoolAnd, BoolOr, Corr, CovarPop, RegrAvgX,
RegrAvgY, RegrCount, RegrIntercept, RegrR2, RegrSlope, RegrSXX, RegrSXY,
RegrSYY, StatAggregate, StringAgg,
)
import json
from django.db.models.expressions import F, Value
from django.test.testcases import skipUnlessDBFeature
from django.test.utils import Approximate
from . import PostgreSQLTestCase
from .models import AggregateTestModel, StatTestModel
try:
from django.contrib.postgres.aggregates import (
ArrayAgg, BitAnd, BitOr, BoolAnd, BoolOr, Corr, CovarPop, JsonAgg,
RegrAvgX, RegrAvgY, RegrCount, RegrIntercept, RegrR2, RegrSlope,
RegrSXX, RegrSXY, RegrSYY, StatAggregate, StringAgg,
)
except ImportError:
pass # psycopg2 is not installed
class TestGeneralAggregate(PostgreSQLTestCase):
@classmethod
@ -110,6 +117,16 @@ class TestGeneralAggregate(PostgreSQLTestCase):
values = AggregateTestModel.objects.aggregate(stringagg=StringAgg('char_field', delimiter=';'))
self.assertEqual(values, {'stringagg': ''})
@skipUnlessDBFeature('has_jsonb_datatype')
def test_json_agg(self):
values = AggregateTestModel.objects.aggregate(jsonagg=JsonAgg('char_field'))
self.assertEqual(values, {'jsonagg': ['Foo1', 'Foo2', 'Foo3', 'Foo4']})
@skipUnlessDBFeature('has_jsonb_datatype')
def test_json_agg_empty(self):
values = AggregateTestModel.objects.none().aggregate(jsonagg=JsonAgg('integer_field'))
self.assertEqual(values, json.loads('{"jsonagg": []}'))
class TestStringAggregateDistinct(PostgreSQLTestCase):
@classmethod