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from sqlalchemy.test.testing import eq_
from sqlalchemy import *
from sqlalchemy.databases import firebird
from sqlalchemy.exc import ProgrammingError
from sqlalchemy.sql import table, column
from sqlalchemy.test import *
class DomainReflectionTest(TestBase, AssertsExecutionResults):
"Test Firebird domains"
__only_on__ = 'firebird'
@classmethod
def setup_class(cls):
con = testing.db.connect()
try:
con.execute('CREATE DOMAIN int_domain AS INTEGER DEFAULT 42 NOT NULL')
con.execute('CREATE DOMAIN str_domain AS VARCHAR(255)')
con.execute('CREATE DOMAIN rem_domain AS BLOB SUB_TYPE TEXT')
con.execute('CREATE DOMAIN img_domain AS BLOB SUB_TYPE BINARY')
except ProgrammingError, e:
if not "attempt to store duplicate value" in str(e):
raise e
con.execute('''CREATE GENERATOR gen_testtable_id''')
con.execute('''CREATE TABLE testtable (question int_domain,
answer str_domain DEFAULT 'no answer',
remark rem_domain DEFAULT '',
photo img_domain,
d date,
t time,
dt timestamp)''')
con.execute('''ALTER TABLE testtable
ADD CONSTRAINT testtable_pk PRIMARY KEY (question)''')
con.execute('''CREATE TRIGGER testtable_autoid FOR testtable
ACTIVE BEFORE INSERT AS
BEGIN
IF (NEW.question IS NULL) THEN
NEW.question = gen_id(gen_testtable_id, 1);
END''')
@classmethod
def teardown_class(cls):
con = testing.db.connect()
con.execute('DROP TABLE testtable')
con.execute('DROP DOMAIN int_domain')
con.execute('DROP DOMAIN str_domain')
con.execute('DROP DOMAIN rem_domain')
con.execute('DROP DOMAIN img_domain')
con.execute('DROP GENERATOR gen_testtable_id')
def test_table_is_reflected(self):
metadata = MetaData(testing.db)
table = Table('testtable', metadata, autoload=True)
eq_(set(table.columns.keys()),
set(['question', 'answer', 'remark', 'photo', 'd', 't', 'dt']),
"Columns of reflected table didn't equal expected columns")
eq_(table.c.question.primary_key, True)
eq_(table.c.question.sequence.name, 'gen_testtable_id')
eq_(table.c.question.type.__class__, firebird.FBInteger)
eq_(table.c.question.server_default.arg.text, "42")
eq_(table.c.answer.type.__class__, firebird.FBString)
eq_(table.c.answer.server_default.arg.text, "'no answer'")
eq_(table.c.remark.type.__class__, firebird.FBText)
eq_(table.c.remark.server_default.arg.text, "''")
eq_(table.c.photo.type.__class__, firebird.FBBinary)
# The following assume a Dialect 3 database
eq_(table.c.d.type.__class__, firebird.FBDate)
eq_(table.c.t.type.__class__, firebird.FBTime)
eq_(table.c.dt.type.__class__, firebird.FBDateTime)
class CompileTest(TestBase, AssertsCompiledSQL):
__dialect__ = firebird.FBDialect()
def test_alias(self):
t = table('sometable', column('col1'), column('col2'))
s = select([t.alias()])
self.assert_compile(s, "SELECT sometable_1.col1, sometable_1.col2 FROM sometable sometable_1")
def test_function(self):
self.assert_compile(func.foo(1, 2), "foo(:foo_1, :foo_2)")
self.assert_compile(func.current_time(), "CURRENT_TIME")
self.assert_compile(func.foo(), "foo")
m = MetaData()
t = Table('sometable', m, Column('col1', Integer), Column('col2', Integer))
self.assert_compile(select([func.max(t.c.col1)]), "SELECT max(sometable.col1) AS max_1 FROM sometable")
def test_substring(self):
self.assert_compile(func.substring('abc', 1, 2), "SUBSTRING(:substring_1 FROM :substring_2 FOR :substring_3)")
self.assert_compile(func.substring('abc', 1), "SUBSTRING(:substring_1 FROM :substring_2)")
def test_update_returning(self):
table1 = table('mytable',
column('myid', Integer),
column('name', String(128)),
column('description', String(128)),
)
u = update(table1, values=dict(name='foo'), firebird_returning=[table1.c.myid, table1.c.name])
self.assert_compile(u, "UPDATE mytable SET name=:name RETURNING mytable.myid, mytable.name")
u = update(table1, values=dict(name='foo'), firebird_returning=[table1])
self.assert_compile(u, "UPDATE mytable SET name=:name "\
"RETURNING mytable.myid, mytable.name, mytable.description")
u = update(table1, values=dict(name='foo'), firebird_returning=[func.length(table1.c.name)])
self.assert_compile(u, "UPDATE mytable SET name=:name RETURNING char_length(mytable.name)")
def test_insert_returning(self):
table1 = table('mytable',
column('myid', Integer),
column('name', String(128)),
column('description', String(128)),
)
i = insert(table1, values=dict(name='foo'), firebird_returning=[table1.c.myid, table1.c.name])
self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) RETURNING mytable.myid, mytable.name")
i = insert(table1, values=dict(name='foo'), firebird_returning=[table1])
self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) "\
"RETURNING mytable.myid, mytable.name, mytable.description")
i = insert(table1, values=dict(name='foo'), firebird_returning=[func.length(table1.c.name)])
self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) RETURNING char_length(mytable.name)")
class ReturningTest(TestBase, AssertsExecutionResults):
__only_on__ = 'firebird'
@testing.exclude('firebird', '<', (2, 1), '2.1+ feature')
def test_update_returning(self):
meta = MetaData(testing.db)
table = Table('tables', meta,
Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
Column('persons', Integer),
Column('full', Boolean)
)
table.create()
try:
table.insert().execute([{'persons': 5, 'full': False}, {'persons': 3, 'full': False}])
result = table.update(table.c.persons > 4, dict(full=True), firebird_returning=[table.c.id]).execute()
eq_(result.fetchall(), [(1,)])
result2 = select([table.c.id, table.c.full]).order_by(table.c.id).execute()
eq_(result2.fetchall(), [(1,True),(2,False)])
finally:
table.drop()
@testing.exclude('firebird', '<', (2, 0), '2.0+ feature')
def test_insert_returning(self):
meta = MetaData(testing.db)
table = Table('tables', meta,
Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
Column('persons', Integer),
Column('full', Boolean)
)
table.create()
try:
result = table.insert(firebird_returning=[table.c.id]).execute({'persons': 1, 'full': False})
eq_(result.fetchall(), [(1,)])
# Multiple inserts only return the last row
result2 = table.insert(firebird_returning=[table]).execute(
[{'persons': 2, 'full': False}, {'persons': 3, 'full': True}])
eq_(result2.fetchall(), [(3,3,True)])
result3 = table.insert(firebird_returning=[table.c.id]).execute({'persons': 4, 'full': False})
eq_([dict(row) for row in result3], [{'ID':4}])
result4 = testing.db.execute('insert into tables (id, persons, "full") values (5, 10, 1) returning persons')
eq_([dict(row) for row in result4], [{'PERSONS': 10}])
finally:
table.drop()
@testing.exclude('firebird', '<', (2, 1), '2.1+ feature')
def test_delete_returning(self):
meta = MetaData(testing.db)
table = Table('tables', meta,
Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
Column('persons', Integer),
Column('full', Boolean)
)
table.create()
try:
table.insert().execute([{'persons': 5, 'full': False}, {'persons': 3, 'full': False}])
result = table.delete(table.c.persons > 4, firebird_returning=[table.c.id]).execute()
eq_(result.fetchall(), [(1,)])
result2 = select([table.c.id, table.c.full]).order_by(table.c.id).execute()
eq_(result2.fetchall(), [(2,False),])
finally:
table.drop()
class MiscFBTests(TestBase):
__only_on__ = 'firebird'
def test_strlen(self):
# On FB the length() function is implemented by an external
# UDF, strlen(). Various SA tests fail because they pass a
# parameter to it, and that does not work (it always results
# the maximum string length the UDF was declared to accept).
# This test checks that at least it works ok in other cases.
meta = MetaData(testing.db)
t = Table('t1', meta,
Column('id', Integer, Sequence('t1idseq'), primary_key=True),
Column('name', String(10))
)
meta.create_all()
try:
t.insert(values=dict(name='dante')).execute()
t.insert(values=dict(name='alighieri')).execute()
select([func.count(t.c.id)],func.length(t.c.name)==5).execute().fetchone()[0] == 1
finally:
meta.drop_all()
def test_server_version_info(self):
version = testing.db.dialect.server_version_info(testing.db.connect())
assert len(version) == 3, "Got strange version info: %s" % repr(version)
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