Files
sqlalchemy/test/sql/test_insert_exec.py
T
Mike Bayer ffc375d1f0 Repair inline flag
In 9fca5d827d we attempted to deprecate the "inline=True" flag
and add a generative inline() method, however failed to include
any tests and the method was implemented incorrectly such that
it would get overwritten with the boolean flag immediately.

Rename the internal "inline" flag to "_inline" and add test
support both for the method as well as deprecated support
for the flag, including a fixture addition to assert the expected
value of the flag as it generally does not affect the
actual compiled SQL string.

Change-Id: I0450049f17f1f0d91e22d27f1a973a2b6c0e59f7
2020-02-22 11:02:56 -05:00

508 lines
15 KiB
Python

from sqlalchemy import and_
from sqlalchemy import exc
from sqlalchemy import ForeignKey
from sqlalchemy import func
from sqlalchemy import INT
from sqlalchemy import Integer
from sqlalchemy import MetaData
from sqlalchemy import Sequence
from sqlalchemy import sql
from sqlalchemy import String
from sqlalchemy import testing
from sqlalchemy import VARCHAR
from sqlalchemy.testing import assert_raises_message
from sqlalchemy.testing import engines
from sqlalchemy.testing import eq_
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_
from sqlalchemy.testing.schema import Column
from sqlalchemy.testing.schema import Table
class InsertExecTest(fixtures.TablesTest):
__backend__ = True
@classmethod
def define_tables(cls, metadata):
Table(
"users",
metadata,
Column(
"user_id", INT, primary_key=True, test_needs_autoincrement=True
),
Column("user_name", VARCHAR(20)),
test_needs_acid=True,
)
@testing.requires.multivalues_inserts
def test_multivalues_insert(self):
users = self.tables.users
users.insert(
values=[
{"user_id": 7, "user_name": "jack"},
{"user_id": 8, "user_name": "ed"},
]
).execute()
rows = users.select().order_by(users.c.user_id).execute().fetchall()
eq_(rows[0], (7, "jack"))
eq_(rows[1], (8, "ed"))
users.insert(values=[(9, "jack"), (10, "ed")]).execute()
rows = users.select().order_by(users.c.user_id).execute().fetchall()
eq_(rows[2], (9, "jack"))
eq_(rows[3], (10, "ed"))
def test_insert_heterogeneous_params(self):
"""test that executemany parameters are asserted to match the
parameter set of the first."""
users = self.tables.users
assert_raises_message(
exc.StatementError,
r"\(sqlalchemy.exc.InvalidRequestError\) A value is required for "
"bind parameter 'user_name', in "
"parameter group 2\n"
r"\[SQL: u?INSERT INTO users",
users.insert().execute,
{"user_id": 7, "user_name": "jack"},
{"user_id": 8, "user_name": "ed"},
{"user_id": 9},
)
# this succeeds however. We aren't yet doing
# a length check on all subsequent parameters.
users.insert().execute(
{"user_id": 7}, {"user_id": 8, "user_name": "ed"}, {"user_id": 9}
)
def _test_lastrow_accessor(self, table_, values, assertvalues):
"""Tests the inserted_primary_key and lastrow_has_id() functions."""
def insert_values(engine, table_, values):
"""
Inserts a row into a table, returns the full list of values
INSERTed including defaults that fired off on the DB side and
detects rows that had defaults and post-fetches.
"""
# verify implicit_returning is working
if engine.dialect.implicit_returning:
ins = table_.insert()
comp = ins.compile(engine, column_keys=list(values))
if not set(values).issuperset(
c.key for c in table_.primary_key
):
is_(bool(comp.returning), True)
result = engine.execute(table_.insert(), **values)
ret = values.copy()
for col, id_ in zip(
table_.primary_key, result.inserted_primary_key
):
ret[col.key] = id_
if result.lastrow_has_defaults():
criterion = and_(
*[
col == id_
for col, id_ in zip(
table_.primary_key, result.inserted_primary_key
)
]
)
row = engine.execute(table_.select(criterion)).first()
for c in table_.c:
ret[c.key] = row._mapping[c]
return ret
if testing.against("firebird", "postgresql", "oracle", "mssql"):
assert testing.db.dialect.implicit_returning
if testing.db.dialect.implicit_returning:
test_engines = [
engines.testing_engine(options={"implicit_returning": False}),
engines.testing_engine(options={"implicit_returning": True}),
]
else:
test_engines = [testing.db]
for engine in test_engines:
try:
table_.create(bind=engine, checkfirst=True)
i = insert_values(engine, table_, values)
eq_(i, assertvalues)
finally:
table_.drop(bind=engine)
@testing.skip_if("sqlite")
def test_lastrow_accessor_one(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t1",
metadata,
Column(
"id",
Integer,
primary_key=True,
test_needs_autoincrement=True,
),
Column("foo", String(30), primary_key=True),
),
{"foo": "hi"},
{"id": 1, "foo": "hi"},
)
@testing.skip_if("sqlite")
def test_lastrow_accessor_two(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t2",
metadata,
Column(
"id",
Integer,
primary_key=True,
test_needs_autoincrement=True,
),
Column("foo", String(30), primary_key=True),
Column("bar", String(30), server_default="hi"),
),
{"foo": "hi"},
{"id": 1, "foo": "hi", "bar": "hi"},
)
def test_lastrow_accessor_three(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t3",
metadata,
Column("id", String(40), primary_key=True),
Column("foo", String(30), primary_key=True),
Column("bar", String(30)),
),
{"id": "hi", "foo": "thisisfoo", "bar": "thisisbar"},
{"id": "hi", "foo": "thisisfoo", "bar": "thisisbar"},
)
@testing.requires.sequences
def test_lastrow_accessor_four(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t4",
metadata,
Column(
"id",
Integer,
Sequence("t4_id_seq", optional=True),
primary_key=True,
),
Column("foo", String(30), primary_key=True),
Column("bar", String(30), server_default="hi"),
),
{"foo": "hi", "id": 1},
{"id": 1, "foo": "hi", "bar": "hi"},
)
def test_lastrow_accessor_five(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t5",
metadata,
Column("id", String(10), primary_key=True),
Column("bar", String(30), server_default="hi"),
),
{"id": "id1"},
{"id": "id1", "bar": "hi"},
)
@testing.skip_if("sqlite")
def test_lastrow_accessor_six(self):
metadata = MetaData()
self._test_lastrow_accessor(
Table(
"t6",
metadata,
Column(
"id",
Integer,
primary_key=True,
test_needs_autoincrement=True,
),
Column("bar", Integer, primary_key=True),
),
{"bar": 0},
{"id": 1, "bar": 0},
)
# TODO: why not in the sqlite suite?
@testing.only_on("sqlite+pysqlite")
@testing.provide_metadata
def test_lastrowid_zero(self):
from sqlalchemy.dialects import sqlite
eng = engines.testing_engine()
class ExcCtx(sqlite.base.SQLiteExecutionContext):
def get_lastrowid(self):
return 0
eng.dialect.execution_ctx_cls = ExcCtx
t = Table(
"t",
self.metadata,
Column("x", Integer, primary_key=True),
Column("y", Integer),
)
t.create(eng)
r = eng.execute(t.insert().values(y=5))
eq_(r.inserted_primary_key, [0])
@testing.fails_on(
"sqlite", "sqlite autoincrement doesn't work with composite pks"
)
@testing.provide_metadata
def test_misordered_lastrow(self):
metadata = self.metadata
related = Table(
"related",
metadata,
Column("id", Integer, primary_key=True),
mysql_engine="MyISAM",
)
t6 = Table(
"t6",
metadata,
Column(
"manual_id",
Integer,
ForeignKey("related.id"),
primary_key=True,
),
Column(
"auto_id",
Integer,
primary_key=True,
test_needs_autoincrement=True,
),
mysql_engine="MyISAM",
)
metadata.create_all()
r = related.insert().values(id=12).execute()
id_ = r.inserted_primary_key[0]
eq_(id_, 12)
r = t6.insert().values(manual_id=id_).execute()
eq_(r.inserted_primary_key, [12, 1])
def test_implicit_id_insert_select_columns(self):
users = self.tables.users
stmt = users.insert().from_select(
(users.c.user_id, users.c.user_name),
users.select().where(users.c.user_id == 20),
)
testing.db.execute(stmt)
def test_implicit_id_insert_select_keys(self):
users = self.tables.users
stmt = users.insert().from_select(
["user_id", "user_name"],
users.select().where(users.c.user_id == 20),
)
testing.db.execute(stmt)
@testing.requires.empty_inserts
@testing.requires.returning
def test_no_inserted_pk_on_returning(self):
users = self.tables.users
result = testing.db.execute(
users.insert().returning(users.c.user_id, users.c.user_name)
)
assert_raises_message(
exc.InvalidRequestError,
r"Can't call inserted_primary_key when returning\(\) is used.",
getattr,
result,
"inserted_primary_key",
)
class TableInsertTest(fixtures.TablesTest):
"""test for consistent insert behavior across dialects
regarding the inline() method, lower-case 't' tables.
"""
run_create_tables = "each"
__backend__ = True
@classmethod
def define_tables(cls, metadata):
Table(
"foo",
metadata,
Column("id", Integer, Sequence("t_id_seq"), primary_key=True),
Column("data", String(50)),
Column("x", Integer),
)
def _fixture(self, types=True):
if types:
t = sql.table(
"foo",
sql.column("id", Integer),
sql.column("data", String),
sql.column("x", Integer),
)
else:
t = sql.table(
"foo", sql.column("id"), sql.column("data"), sql.column("x")
)
return t
def _test(self, stmt, row, returning=None, inserted_primary_key=False):
r = testing.db.execute(stmt)
if returning:
returned = r.first()
eq_(returned, returning)
elif inserted_primary_key is not False:
eq_(r.inserted_primary_key, inserted_primary_key)
eq_(testing.db.execute(self.tables.foo.select()).first(), row)
def _test_multi(self, stmt, rows, data):
testing.db.execute(stmt, rows)
eq_(
testing.db.execute(
self.tables.foo.select().order_by(self.tables.foo.c.id)
).fetchall(),
data,
)
@testing.requires.sequences
def test_explicit_sequence(self):
t = self._fixture()
self._test(
t.insert().values(
id=func.next_value(Sequence("t_id_seq")), data="data", x=5
),
(1, "data", 5),
)
def test_uppercase(self):
t = self.tables.foo
self._test(
t.insert().values(id=1, data="data", x=5),
(1, "data", 5),
inserted_primary_key=[1],
)
def test_uppercase_inline(self):
t = self.tables.foo
self._test(
t.insert().inline().values(id=1, data="data", x=5),
(1, "data", 5),
inserted_primary_key=[1],
)
@testing.crashes(
"mssql+pyodbc",
"Pyodbc + SQL Server + Py3K, some decimal handling issue",
)
def test_uppercase_inline_implicit(self):
t = self.tables.foo
self._test(
t.insert().inline().values(data="data", x=5),
(1, "data", 5),
inserted_primary_key=[None],
)
def test_uppercase_implicit(self):
t = self.tables.foo
self._test(
t.insert().values(data="data", x=5),
(1, "data", 5),
inserted_primary_key=[1],
)
def test_uppercase_direct_params(self):
t = self.tables.foo
self._test(
t.insert().values(id=1, data="data", x=5),
(1, "data", 5),
inserted_primary_key=[1],
)
@testing.requires.returning
def test_uppercase_direct_params_returning(self):
t = self.tables.foo
self._test(
t.insert().values(id=1, data="data", x=5).returning(t.c.id, t.c.x),
(1, "data", 5),
returning=(1, 5),
)
@testing.fails_on(
"mssql", "lowercase table doesn't support identity insert disable"
)
def test_direct_params(self):
t = self._fixture()
self._test(
t.insert().values(id=1, data="data", x=5),
(1, "data", 5),
inserted_primary_key=[],
)
@testing.fails_on(
"mssql", "lowercase table doesn't support identity insert disable"
)
@testing.requires.returning
def test_direct_params_returning(self):
t = self._fixture()
self._test(
t.insert().values(id=1, data="data", x=5).returning(t.c.id, t.c.x),
(1, "data", 5),
returning=(1, 5),
)
@testing.requires.emulated_lastrowid
def test_implicit_pk(self):
t = self._fixture()
self._test(
t.insert().values(data="data", x=5),
(1, "data", 5),
inserted_primary_key=[],
)
@testing.requires.emulated_lastrowid
def test_implicit_pk_multi_rows(self):
t = self._fixture()
self._test_multi(
t.insert(),
[
{"data": "d1", "x": 5},
{"data": "d2", "x": 6},
{"data": "d3", "x": 7},
],
[(1, "d1", 5), (2, "d2", 6), (3, "d3", 7)],
)
@testing.requires.emulated_lastrowid
def test_implicit_pk_inline(self):
t = self._fixture()
self._test(
t.insert().inline().values(data="data", x=5),
(1, "data", 5),
inserted_primary_key=[],
)