1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
from testbase import PersistTest, AssertMixin
import testbase
import tables
from sqlalchemy import *
from sqlalchemy.ext.selectresults import SelectResultsExt, SelectResults
class Foo(object):
pass
class SelectResultsTest(PersistTest):
def setUpAll(self):
self.install_threadlocal()
global foo, metadata
metadata = MetaData(testbase.db)
foo = Table('foo', metadata,
Column('id', Integer, Sequence('foo_id_seq'), primary_key=True),
Column('bar', Integer),
Column('range', Integer))
assign_mapper(Foo, foo, extension=SelectResultsExt())
metadata.create_all()
for i in range(100):
Foo(bar=i, range=i%10)
objectstore.flush()
def setUp(self):
self.query = Query(Foo)
self.orig = self.query.select_whereclause()
self.res = self.query.select()
def tearDownAll(self):
metadata.drop_all()
self.uninstall_threadlocal()
clear_mappers()
def test_selectby(self):
res = self.query.select_by(range=5)
assert res.order_by([Foo.c.bar])[0].bar == 5
assert res.order_by([desc(Foo.c.bar)])[0].bar == 95
@testbase.unsupported('mssql')
def test_slice(self):
assert self.res[1] == self.orig[1]
assert list(self.res[10:20]) == self.orig[10:20]
assert list(self.res[10:]) == self.orig[10:]
assert list(self.res[:10]) == self.orig[:10]
assert list(self.res[:10]) == self.orig[:10]
assert list(self.res[10:40:3]) == self.orig[10:40:3]
assert list(self.res[-5:]) == self.orig[-5:]
assert self.res[10:20][5] == self.orig[10:20][5]
@testbase.supported('mssql')
def test_slice_mssql(self):
assert list(self.res[:10]) == self.orig[:10]
assert list(self.res[:10]) == self.orig[:10]
def test_aggregate(self):
assert self.res.count() == 100
assert self.res.filter(foo.c.bar<30).min(foo.c.bar) == 0
assert self.res.filter(foo.c.bar<30).max(foo.c.bar) == 29
@testbase.unsupported('mysql')
def test_aggregate_1(self):
# this one fails in mysql as the result comes back as a string
assert self.res.filter(foo.c.bar<30).sum(foo.c.bar) == 435
@testbase.unsupported('postgres', 'mysql', 'firebird', 'mssql')
def test_aggregate_2(self):
assert self.res.filter(foo.c.bar<30).avg(foo.c.bar) == 14.5
@testbase.supported('postgres', 'mysql', 'firebird', 'mssql')
def test_aggregate_2_int(self):
assert int(self.res.filter(foo.c.bar<30).avg(foo.c.bar)) == 14
def test_filter(self):
assert self.res.count() == 100
assert self.res.filter(Foo.c.bar < 30).count() == 30
res2 = self.res.filter(Foo.c.bar < 30).filter(Foo.c.bar > 10)
assert res2.count() == 19
def test_options(self):
class ext1(MapperExtension):
def populate_instance(self, mapper, selectcontext, row, instance, identitykey, isnew):
instance.TEST = "hello world"
return EXT_PASS
objectstore.clear()
assert self.res.options(extension(ext1()))[0].TEST == "hello world"
def test_order_by(self):
assert self.res.order_by([Foo.c.bar])[0].bar == 0
assert self.res.order_by([desc(Foo.c.bar)])[0].bar == 99
def test_offset(self):
assert list(self.res.order_by([Foo.c.bar]).offset(10))[0].bar == 10
def test_offset(self):
assert len(list(self.res.limit(10))) == 10
class Obj1(object):
pass
class Obj2(object):
pass
class SelectResultsTest2(PersistTest):
def setUpAll(self):
self.install_threadlocal()
global metadata, table1, table2
metadata = MetaData(testbase.db)
table1 = Table('Table1', metadata,
Column('id', Integer, primary_key=True),
)
table2 = Table('Table2', metadata,
Column('t1id', Integer, ForeignKey("Table1.id"), primary_key=True),
Column('num', Integer, primary_key=True),
)
assign_mapper(Obj1, table1, extension=SelectResultsExt())
assign_mapper(Obj2, table2, extension=SelectResultsExt())
metadata.create_all()
table1.insert().execute({'id':1},{'id':2},{'id':3},{'id':4})
table2.insert().execute({'num':1,'t1id':1},{'num':2,'t1id':1},{'num':3,'t1id':1},\
{'num':4,'t1id':2},{'num':5,'t1id':2},{'num':6,'t1id':3})
def setUp(self):
self.query = Query(Obj1)
#self.orig = self.query.select_whereclause()
#self.res = self.query.select()
def tearDownAll(self):
metadata.drop_all()
self.uninstall_threadlocal()
clear_mappers()
def test_distinctcount(self):
res = self.query.select()
assert res.count() == 4
res = self.query.select(and_(table1.c.id==table2.c.t1id,table2.c.t1id==1))
assert res.count() == 3
res = self.query.select(and_(table1.c.id==table2.c.t1id,table2.c.t1id==1), distinct=True)
self.assertEqual(res.count(), 1)
class RelationsTest(AssertMixin):
def setUpAll(self):
tables.create()
tables.data()
def tearDownAll(self):
tables.drop()
def tearDown(self):
clear_mappers()
def test_jointo(self):
"""test the join_to and outerjoin_to functions on SelectResults"""
mapper(tables.User, tables.users, properties={
'orders':relation(mapper(tables.Order, tables.orders, properties={
'items':relation(mapper(tables.Item, tables.orderitems))
}))
})
session = create_session()
query = SelectResults(session.query(tables.User))
x = query.join_to('orders').join_to('items').select(tables.Item.c.item_id==2)
print x.compile()
self.assert_result(list(x), tables.User, tables.user_result[2])
def test_outerjointo(self):
"""test the join_to and outerjoin_to functions on SelectResults"""
mapper(tables.User, tables.users, properties={
'orders':relation(mapper(tables.Order, tables.orders, properties={
'items':relation(mapper(tables.Item, tables.orderitems))
}))
})
session = create_session()
query = SelectResults(session.query(tables.User))
x = query.outerjoin_to('orders').outerjoin_to('items').select(or_(tables.Order.c.order_id==None,tables.Item.c.item_id==2))
print x.compile()
self.assert_result(list(x), tables.User, *tables.user_result[1:3])
def test_outerjointo_count(self):
"""test the join_to and outerjoin_to functions on SelectResults"""
mapper(tables.User, tables.users, properties={
'orders':relation(mapper(tables.Order, tables.orders, properties={
'items':relation(mapper(tables.Item, tables.orderitems))
}))
})
session = create_session()
query = SelectResults(session.query(tables.User))
x = query.outerjoin_to('orders').outerjoin_to('items').select(or_(tables.Order.c.order_id==None,tables.Item.c.item_id==2)).count()
assert x==2
def test_from(self):
mapper(tables.User, tables.users, properties={
'orders':relation(mapper(tables.Order, tables.orders, properties={
'items':relation(mapper(tables.Item, tables.orderitems))
}))
})
session = create_session()
query = SelectResults(session.query(tables.User))
x = query.select_from([tables.users.outerjoin(tables.orders).outerjoin(tables.orderitems)]).\
filter(or_(tables.Order.c.order_id==None,tables.Item.c.item_id==2))
print x.compile()
self.assert_result(list(x), tables.User, *tables.user_result[1:3])
class CaseSensitiveTest(PersistTest):
def setUpAll(self):
self.install_threadlocal()
global metadata, table1, table2
metadata = MetaData(testbase.db)
table1 = Table('Table1', metadata,
Column('ID', Integer, primary_key=True),
)
table2 = Table('Table2', metadata,
Column('T1ID', Integer, ForeignKey("Table1.ID"), primary_key=True),
Column('NUM', Integer, primary_key=True),
)
assign_mapper(Obj1, table1, extension=SelectResultsExt())
assign_mapper(Obj2, table2, extension=SelectResultsExt())
metadata.create_all()
table1.insert().execute({'ID':1},{'ID':2},{'ID':3},{'ID':4})
table2.insert().execute({'NUM':1,'T1ID':1},{'NUM':2,'T1ID':1},{'NUM':3,'T1ID':1},\
{'NUM':4,'T1ID':2},{'NUM':5,'T1ID':2},{'NUM':6,'T1ID':3})
def setUp(self):
self.query = Query(Obj1)
#self.orig = self.query.select_whereclause()
#self.res = self.query.select()
def tearDownAll(self):
metadata.drop_all()
self.uninstall_threadlocal()
clear_mappers()
def test_distinctcount(self):
res = self.query.select()
assert res.count() == 4
res = self.query.select(and_(table1.c.ID==table2.c.T1ID,table2.c.T1ID==1))
assert res.count() == 3
res = self.query.select(and_(table1.c.ID==table2.c.T1ID,table2.c.T1ID==1), distinct=True)
self.assertEqual(res.count(), 1)
if __name__ == "__main__":
testbase.main()
|
