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from .. import config
from .. import engines
from .. import fixtures
from ..assertions import eq_
from ..config import requirements
from ..schema import Column
from ..schema import Table
from ... import Integer
from ... import literal
from ... import literal_column
from ... import select
from ... import String
class LastrowidTest(fixtures.TablesTest):
run_deletes = "each"
__backend__ = True
__requires__ = "implements_get_lastrowid", "autoincrement_insert"
__engine_options__ = {"implicit_returning": False}
@classmethod
def define_tables(cls, metadata):
Table(
"autoinc_pk",
metadata,
Column(
"id", Integer, primary_key=True, test_needs_autoincrement=True
),
Column("data", String(50)),
)
Table(
"manual_pk",
metadata,
Column("id", Integer, primary_key=True, autoincrement=False),
Column("data", String(50)),
)
def _assert_round_trip(self, table, conn):
row = conn.execute(table.select()).first()
eq_(row, (config.db.dialect.default_sequence_base, "some data"))
def test_autoincrement_on_insert(self):
config.db.execute(self.tables.autoinc_pk.insert(), data="some data")
self._assert_round_trip(self.tables.autoinc_pk, config.db)
def test_last_inserted_id(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(), data="some data"
)
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(r.inserted_primary_key, [pk])
# failed on pypy1.9 but seems to be OK on pypy 2.1
# @exclusions.fails_if(lambda: util.pypy,
# "lastrowid not maintained after "
# "connection close")
@requirements.dbapi_lastrowid
def test_native_lastrowid_autoinc(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(), data="some data"
)
lastrowid = r.lastrowid
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(lastrowid, pk)
class InsertBehaviorTest(fixtures.TablesTest):
run_deletes = "each"
__backend__ = True
@classmethod
def define_tables(cls, metadata):
Table(
"autoinc_pk",
metadata,
Column(
"id", Integer, primary_key=True, test_needs_autoincrement=True
),
Column("data", String(50)),
)
Table(
"manual_pk",
metadata,
Column("id", Integer, primary_key=True, autoincrement=False),
Column("data", String(50)),
)
Table(
"includes_defaults",
metadata,
Column(
"id", Integer, primary_key=True, test_needs_autoincrement=True
),
Column("data", String(50)),
Column("x", Integer, default=5),
Column(
"y",
Integer,
default=literal_column("2", type_=Integer) + literal(2),
),
)
def test_autoclose_on_insert(self):
if requirements.returning.enabled:
engine = engines.testing_engine(
options={"implicit_returning": False}
)
else:
engine = config.db
r = engine.execute(self.tables.autoinc_pk.insert(), data="some data")
assert r._soft_closed
assert not r.closed
assert r.is_insert
assert not r.returns_rows
@requirements.returning
def test_autoclose_on_insert_implicit_returning(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(), data="some data"
)
assert r._soft_closed
assert not r.closed
assert r.is_insert
assert not r.returns_rows
@requirements.empty_inserts
def test_empty_insert(self):
r = config.db.execute(self.tables.autoinc_pk.insert())
assert r._soft_closed
assert not r.closed
r = config.db.execute(
self.tables.autoinc_pk.select().where(
self.tables.autoinc_pk.c.id != None
)
)
assert len(r.fetchall())
@requirements.insert_from_select
def test_insert_from_select_autoinc(self):
src_table = self.tables.manual_pk
dest_table = self.tables.autoinc_pk
config.db.execute(
src_table.insert(),
[
dict(id=1, data="data1"),
dict(id=2, data="data2"),
dict(id=3, data="data3"),
],
)
result = config.db.execute(
dest_table.insert().from_select(
("data",),
select([src_table.c.data]).where(
src_table.c.data.in_(["data2", "data3"])
),
)
)
eq_(result.inserted_primary_key, [None])
result = config.db.execute(
select([dest_table.c.data]).order_by(dest_table.c.data)
)
eq_(result.fetchall(), [("data2",), ("data3",)])
@requirements.insert_from_select
def test_insert_from_select_autoinc_no_rows(self):
src_table = self.tables.manual_pk
dest_table = self.tables.autoinc_pk
result = config.db.execute(
dest_table.insert().from_select(
("data",),
select([src_table.c.data]).where(
src_table.c.data.in_(["data2", "data3"])
),
)
)
eq_(result.inserted_primary_key, [None])
result = config.db.execute(
select([dest_table.c.data]).order_by(dest_table.c.data)
)
eq_(result.fetchall(), [])
@requirements.insert_from_select
def test_insert_from_select(self):
table = self.tables.manual_pk
config.db.execute(
table.insert(),
[
dict(id=1, data="data1"),
dict(id=2, data="data2"),
dict(id=3, data="data3"),
],
)
config.db.execute(
table.insert(inline=True).from_select(
("id", "data"),
select([table.c.id + 5, table.c.data]).where(
table.c.data.in_(["data2", "data3"])
),
)
)
eq_(
config.db.execute(
select([table.c.data]).order_by(table.c.data)
).fetchall(),
[("data1",), ("data2",), ("data2",), ("data3",), ("data3",)],
)
@requirements.insert_from_select
def test_insert_from_select_with_defaults(self):
table = self.tables.includes_defaults
config.db.execute(
table.insert(),
[
dict(id=1, data="data1"),
dict(id=2, data="data2"),
dict(id=3, data="data3"),
],
)
config.db.execute(
table.insert(inline=True).from_select(
("id", "data"),
select([table.c.id + 5, table.c.data]).where(
table.c.data.in_(["data2", "data3"])
),
)
)
eq_(
config.db.execute(
select([table]).order_by(table.c.data, table.c.id)
).fetchall(),
[
(1, "data1", 5, 4),
(2, "data2", 5, 4),
(7, "data2", 5, 4),
(3, "data3", 5, 4),
(8, "data3", 5, 4),
],
)
class ReturningTest(fixtures.TablesTest):
run_create_tables = "each"
__requires__ = "returning", "autoincrement_insert"
__backend__ = True
__engine_options__ = {"implicit_returning": True}
def _assert_round_trip(self, table, conn):
row = conn.execute(table.select()).first()
eq_(row, (config.db.dialect.default_sequence_base, "some data"))
@classmethod
def define_tables(cls, metadata):
Table(
"autoinc_pk",
metadata,
Column(
"id", Integer, primary_key=True, test_needs_autoincrement=True
),
Column("data", String(50)),
)
@requirements.fetch_rows_post_commit
def test_explicit_returning_pk_autocommit(self):
engine = config.db
table = self.tables.autoinc_pk
r = engine.execute(
table.insert().returning(table.c.id), data="some data"
)
pk = r.first()[0]
fetched_pk = config.db.scalar(select([table.c.id]))
eq_(fetched_pk, pk)
def test_explicit_returning_pk_no_autocommit(self):
engine = config.db
table = self.tables.autoinc_pk
with engine.begin() as conn:
r = conn.execute(
table.insert().returning(table.c.id), data="some data"
)
pk = r.first()[0]
fetched_pk = config.db.scalar(select([table.c.id]))
eq_(fetched_pk, pk)
def test_autoincrement_on_insert_implicit_returning(self):
config.db.execute(self.tables.autoinc_pk.insert(), data="some data")
self._assert_round_trip(self.tables.autoinc_pk, config.db)
def test_last_inserted_id_implicit_returning(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(), data="some data"
)
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(r.inserted_primary_key, [pk])
__all__ = ("LastrowidTest", "InsertBehaviorTest", "ReturningTest")
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