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
|
import sqlalchemy.ansisql as ansisql
import sqlalchemy.databases.postgres as postgres
import sqlalchemy.databases.oracle as oracle
import sqlalchemy.databases.sqlite as sqllite
from sqlalchemy import *
from testbase import PersistTest
import testbase
import unittest, re
class ReflectionTest(PersistTest):
def testbasic(self):
# really trip it up with a circular reference
use_function_defaults = testbase.db.engine.__module__.endswith('postgres') or testbase.db.engine.__module__.endswith('oracle')
use_string_defaults = use_function_defaults or testbase.db.engine.__module__.endswith('sqlite')
if use_function_defaults:
defval = func.current_date()
deftype = Date
else:
defval = "3"
deftype = Integer
if use_string_defaults:
deftype2 = String
defval2 = "im a default"
else:
deftype2 = Integer
defval2 = "15"
users = Table('engine_users', testbase.db,
Column('user_id', INT, primary_key = True),
Column('user_name', VARCHAR(20), nullable = False),
Column('test1', CHAR(5), nullable = False),
Column('test2', FLOAT(5), nullable = False),
Column('test3', TEXT),
Column('test4', DECIMAL, nullable = False),
Column('test5', TIMESTAMP),
Column('parent_user_id', Integer, ForeignKey('engine_users.user_id')),
Column('test6', DateTime, nullable = False),
Column('test7', String),
Column('test8', Binary),
Column('test_passivedefault', deftype, PassiveDefault(defval)),
Column('test_passivedefault2', Integer, PassiveDefault("5")),
Column('test_passivedefault3', deftype2, PassiveDefault(defval2)),
Column('test9', Binary(100)),
mysql_engine='InnoDB'
)
addresses = Table('engine_email_addresses', testbase.db,
Column('address_id', Integer, primary_key = True),
Column('remote_user_id', Integer, ForeignKey(users.c.user_id)),
Column('email_address', String(20)),
mysql_engine='InnoDB'
)
# users.c.parent_user_id.set_foreign_key(ForeignKey(users.c.user_id))
users.create()
addresses.create()
# clear out table registry
users.deregister()
addresses.deregister()
try:
users = Table('engine_users', testbase.db, autoload = True)
addresses = Table('engine_email_addresses', testbase.db, autoload = True)
finally:
addresses.drop()
users.drop()
users.create()
addresses.create()
try:
# create a join from the two tables, this insures that
# theres a foreign key set up
# previously, we couldnt get foreign keys out of mysql. seems like
# we can now as long as we use InnoDB
# if testbase.db.engine.__module__.endswith('mysql'):
# addresses.c.remote_user_id.append_item(ForeignKey('engine_users.user_id'))
print users
print addresses
j = join(users, addresses)
print str(j.onclause)
self.assert_((users.c.user_id==addresses.c.remote_user_id).compare(j.onclause))
finally:
addresses.drop()
users.drop()
def testmultipk(self):
table = Table(
'engine_multi', testbase.db,
Column('multi_id', Integer, primary_key=True),
Column('multi_rev', Integer, primary_key=True),
Column('name', String(50), nullable=False),
Column('value', String(100))
)
table.create()
# clear out table registry
table.deregister()
try:
table = Table('engine_multi', testbase.db, autoload=True)
finally:
table.drop()
print repr(
[table.c['multi_id'].primary_key,
table.c['multi_rev'].primary_key
]
)
table.create()
table.insert().execute({'multi_id':1,'multi_rev':1,'name':'row1', 'value':'value1'})
table.insert().execute({'multi_id':2,'multi_rev':18,'name':'row2', 'value':'value2'})
table.insert().execute({'multi_id':3,'multi_rev':3,'name':'row3', 'value':'value3'})
table.select().execute().fetchall()
table.drop()
def testtoengine(self):
db = ansisql.engine()
table = Table('mytable', db,
Column('myid', Integer, key = 'id'),
Column('name', String, key = 'name', nullable=False),
Column('description', String, key = 'description'),
)
print repr(table)
pgdb = postgres.engine({})
pgtable = table.toengine(pgdb)
print repr(pgtable)
assert pgtable.c.id.nullable
assert not pgtable.c.name.nullable
assert pgtable.c.description.nullable
def testoverride(self):
table = Table(
'override_test', testbase.db,
Column('col1', Integer, primary_key=True),
Column('col2', String(20)),
Column('col3', Numeric)
)
table.create()
# clear out table registry
table.deregister()
try:
table = Table(
'override_test', testbase.db,
Column('col2', Unicode()),
Column('col4', String(30)), autoload=True)
print repr(table)
self.assert_(isinstance(table.c.col1.type, Integer))
self.assert_(isinstance(table.c.col2.type, Unicode))
self.assert_(isinstance(table.c.col4.type, String))
finally:
table.drop()
if __name__ == "__main__":
testbase.main()
|
