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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
from test.lib.testing import eq_, assert_raises_message, assert_raises, AssertsCompiledSQL
import datetime
from sqlalchemy import *
from sqlalchemy import exc, sql, util
from sqlalchemy.engine import default, base
from test.lib import *
from test.lib.schema import Table, Column
from sqlalchemy.dialects import mysql
class _UpdateFromTestBase(object):
@classmethod
def define_tables(cls, metadata):
Table('users', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('name', String(30), nullable=False),
)
Table('addresses', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('user_id', None, ForeignKey('users.id')),
Column('name', String(30), nullable=False),
Column('email_address', String(50), nullable=False),
)
Table("dingalings", metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('address_id', None, ForeignKey('addresses.id')),
Column('data', String(30)),
)
@classmethod
def fixtures(cls):
return dict(
users = (
('id', 'name'),
(7, 'jack'),
(8, 'ed'),
(9, 'fred'),
(10, 'chuck')
),
addresses = (
('id', 'user_id', 'name', 'email_address'),
(1, 7, 'x', "jack@bean.com"),
(2, 8, 'x', "ed@wood.com"),
(3, 8, 'x', "ed@bettyboop.com"),
(4, 8, 'x', "ed@lala.com"),
(5, 9, 'x', "fred@fred.com")
),
dingalings = (
('id', 'address_id', 'data'),
(1, 2, 'ding 1/2'),
(2, 5, 'ding 2/5')
),
)
class UpdateFromCompileTest(_UpdateFromTestBase, fixtures.TablesTest, AssertsCompiledSQL):
__dialect__ = 'default'
run_create_tables = run_inserts = run_deletes = None
def test_render_table(self):
users, addresses = self.tables.users, self.tables.addresses
self.assert_compile(
users.update().\
values(name='newname').\
where(users.c.id==addresses.c.user_id).\
where(addresses.c.email_address=='e1'),
"UPDATE users SET name=:name FROM addresses "
"WHERE users.id = addresses.user_id AND "
"addresses.email_address = :email_address_1",
checkparams={u'email_address_1': 'e1', 'name': 'newname'}
)
def test_render_multi_table(self):
users, addresses, dingalings = \
self.tables.users, \
self.tables.addresses, \
self.tables.dingalings
self.assert_compile(
users.update().\
values(name='newname').\
where(users.c.id==addresses.c.user_id).\
where(addresses.c.email_address=='e1').\
where(addresses.c.id==dingalings.c.address_id).\
where(dingalings.c.id==2),
"UPDATE users SET name=:name FROM addresses, "
"dingalings WHERE users.id = addresses.user_id "
"AND addresses.email_address = :email_address_1 "
"AND addresses.id = dingalings.address_id AND "
"dingalings.id = :id_1",
checkparams={u'email_address_1': 'e1', u'id_1': 2,
'name': 'newname'}
)
def test_render_table_mysql(self):
users, addresses = self.tables.users, self.tables.addresses
self.assert_compile(
users.update().\
values(name='newname').\
where(users.c.id==addresses.c.user_id).\
where(addresses.c.email_address=='e1'),
"UPDATE users, addresses SET users.name=%s "
"WHERE users.id = addresses.user_id AND "
"addresses.email_address = %s",
checkparams={u'email_address_1': 'e1', 'name': 'newname'},
dialect=mysql.dialect()
)
def test_render_subquery(self):
users, addresses = self.tables.users, self.tables.addresses
subq = select([addresses.c.id,
addresses.c.user_id,
addresses.c.email_address]).\
where(addresses.c.id==7).alias()
self.assert_compile(
users.update().\
values(name='newname').\
where(users.c.id==subq.c.user_id).\
where(subq.c.email_address=='e1'),
"UPDATE users SET name=:name FROM "
"(SELECT addresses.id AS id, addresses.user_id "
"AS user_id, addresses.email_address AS "
"email_address FROM addresses WHERE addresses.id = "
":id_1) AS anon_1 WHERE users.id = anon_1.user_id "
"AND anon_1.email_address = :email_address_1",
checkparams={u'email_address_1': 'e1',
u'id_1': 7, 'name': 'newname'}
)
class UpdateFromRoundTripTest(_UpdateFromTestBase, fixtures.TablesTest):
@testing.requires.update_from
def test_exec_two_table(self):
users, addresses = self.tables.users, self.tables.addresses
testing.db.execute(
addresses.update().\
values(email_address=users.c.name).\
where(users.c.id==addresses.c.user_id).\
where(users.c.name=='ed')
)
eq_(
testing.db.execute(
addresses.select().\
order_by(addresses.c.id)).fetchall(),
[
(1, 7, 'x', "jack@bean.com"),
(2, 8, 'x', "ed"),
(3, 8, 'x', "ed"),
(4, 8, 'x', "ed"),
(5, 9, 'x', "fred@fred.com")
]
)
@testing.requires.update_from
def test_exec_two_table_plus_alias(self):
users, addresses = self.tables.users, self.tables.addresses
a1 = addresses.alias()
testing.db.execute(
addresses.update().\
values(email_address=users.c.name).\
where(users.c.id==a1.c.user_id).\
where(users.c.name=='ed').\
where(a1.c.id==addresses.c.id)
)
eq_(
testing.db.execute(
addresses.select().\
order_by(addresses.c.id)).fetchall(),
[
(1, 7, 'x', "jack@bean.com"),
(2, 8, 'x', "ed"),
(3, 8, 'x', "ed"),
(4, 8, 'x', "ed"),
(5, 9, 'x', "fred@fred.com")
]
)
@testing.requires.update_from
def test_exec_three_table(self):
users, addresses, dingalings = \
self.tables.users, \
self.tables.addresses, \
self.tables.dingalings
testing.db.execute(
addresses.update().\
values(email_address=users.c.name).\
where(users.c.id==addresses.c.user_id).\
where(users.c.name=='ed').
where(addresses.c.id==dingalings.c.address_id).\
where(dingalings.c.id==1),
)
eq_(
testing.db.execute(
addresses.select().order_by(addresses.c.id)
).fetchall(),
[
(1, 7, 'x', "jack@bean.com"),
(2, 8, 'x', "ed"),
(3, 8, 'x', "ed@bettyboop.com"),
(4, 8, 'x', "ed@lala.com"),
(5, 9, 'x', "fred@fred.com")
]
)
@testing.only_on('mysql', 'Multi table update')
def test_exec_multitable(self):
users, addresses = self.tables.users, self.tables.addresses
testing.db.execute(
addresses.update().\
values({
addresses.c.email_address:users.c.name,
users.c.name:'ed2'
}).\
where(users.c.id==addresses.c.user_id).\
where(users.c.name=='ed')
)
eq_(
testing.db.execute(
addresses.select().order_by(addresses.c.id)).fetchall(),
[
(1, 7, 'x', "jack@bean.com"),
(2, 8, 'x', "ed"),
(3, 8, 'x', "ed"),
(4, 8, 'x', "ed"),
(5, 9, 'x', "fred@fred.com")
]
)
eq_(
testing.db.execute(
users.select().order_by(users.c.id)).fetchall(),
[
(7, 'jack'),
(8, 'ed2'),
(9, 'fred'),
(10, 'chuck')
]
)
class UpdateFromMultiTableUpdateDefaultsTest(_UpdateFromTestBase, fixtures.TablesTest):
@classmethod
def define_tables(cls, metadata):
Table('users', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('name', String(30), nullable=False),
Column('some_update', String(30), onupdate="im the update")
)
Table('addresses', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('user_id', None, ForeignKey('users.id')),
Column('email_address', String(50), nullable=False),
)
@classmethod
def fixtures(cls):
return dict(
users = (
('id', 'name', 'some_update'),
(8, 'ed', 'value'),
(9, 'fred', 'value'),
),
addresses = (
('id', 'user_id', 'email_address'),
(2, 8, "ed@wood.com"),
(3, 8, "ed@bettyboop.com"),
(4, 9, "fred@fred.com")
),
)
@testing.only_on('mysql', 'Multi table update')
def test_defaults_second_table(self):
users, addresses = self.tables.users, self.tables.addresses
ret = testing.db.execute(
addresses.update().\
values({
addresses.c.email_address:users.c.name,
users.c.name:'ed2'
}).\
where(users.c.id==addresses.c.user_id).\
where(users.c.name=='ed')
)
eq_(
set(ret.prefetch_cols()),
set([users.c.some_update])
)
eq_(
testing.db.execute(
addresses.select().order_by(addresses.c.id)).fetchall(),
[
(2, 8, "ed"),
(3, 8, "ed"),
(4, 9, "fred@fred.com")
]
)
eq_(
testing.db.execute(
users.select().order_by(users.c.id)).fetchall(),
[
(8, 'ed2', 'im the update'),
(9, 'fred', 'value'),
]
)
@testing.only_on('mysql', 'Multi table update')
def test_no_defaults_second_table(self):
users, addresses = self.tables.users, self.tables.addresses
ret = testing.db.execute(
addresses.update().\
values({
'email_address':users.c.name,
}).\
where(users.c.id==addresses.c.user_id).\
where(users.c.name=='ed')
)
eq_(
ret.prefetch_cols(),[]
)
eq_(
testing.db.execute(
addresses.select().order_by(addresses.c.id)).fetchall(),
[
(2, 8, "ed"),
(3, 8, "ed"),
(4, 9, "fred@fred.com")
]
)
# users table not actually updated,
# so no onupdate
eq_(
testing.db.execute(
users.select().order_by(users.c.id)).fetchall(),
[
(8, 'ed', 'value'),
(9, 'fred', 'value'),
]
)
|
