本文整理汇总了Python中sqlalchemy.table.insert函数的典型用法代码示例。如果您正苦于以下问题：Python insert函数的具体用法？Python insert怎么用？Python insert使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了insert函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_inline_default
def test_inline_default(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('foo', Integer, default=func.foobar()))
self.assert_compile(table.insert(values={}, inline=True),
'INSERT INTO sometable (foo) VALUES (foobar())')
self.assert_compile(
table.insert(
inline=True),
'INSERT INTO sometable (foo) VALUES (foobar())',
params={})示例2: test_python_fn_default
def test_python_fn_default(self):
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("data", String),
Column("foo", Integer, default=lambda: 10),
)
values = [
{"id": 1, "data": "data1"},
{"id": 2, "data": "data2", "foo": 15},
{"id": 3, "data": "data3"},
]
checkparams = {
"id_m0": 1,
"id_m1": 2,
"id_m2": 3,
"data_m0": "data1",
"data_m1": "data2",
"data_m2": "data3",
"foo": None, # evaluated later
"foo_m1": 15,
"foo_m2": None, # evaluated later
}
stmt = table.insert().values(values)
eq_(
dict(
[
(k, v.type._type_affinity)
for (k, v) in stmt.compile(
dialect=postgresql.dialect()
).binds.items()
]
),
{
"foo": Integer,
"data_m2": String,
"id_m0": Integer,
"id_m2": Integer,
"foo_m1": Integer,
"data_m1": String,
"id_m1": Integer,
"foo_m2": Integer,
"data_m0": String,
},
)
self.assert_compile(
stmt,
"INSERT INTO sometable (id, data, foo) VALUES "
"(%(id_m0)s, %(data_m0)s, %(foo)s), "
"(%(id_m1)s, %(data_m1)s, %(foo_m1)s), "
"(%(id_m2)s, %(data_m2)s, %(foo_m2)s)",
checkparams=checkparams,
dialect=postgresql.dialect(),
)示例3: test_sql_expression_pk_noautoinc_returning
def test_sql_expression_pk_noautoinc_returning(self):
# test that return_defaults() works with a primary key where we are
# sending a SQL expression, and we need to get the server-calculated
# value back. [ticket:3133]
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, autoincrement=False, primary_key=True),
Column("data", String),
)
stmt = table.insert().return_defaults().values(id=func.foobar())
returning_dialect = postgresql.dialect()
returning_dialect.implicit_returning = True
compiled = stmt.compile(
dialect=returning_dialect, column_keys=["data"]
)
eq_(compiled.postfetch, [])
eq_(compiled.returning, [table.c.id])
self.assert_compile(
stmt,
"INSERT INTO sometable (id, data) VALUES "
"(foobar(), %(data)s) RETURNING sometable.id",
checkparams={"data": "foo"},
params={"data": "foo"},
dialect=returning_dialect,
)示例4: test_server_default
def test_server_default(self):
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("data", String),
Column("foo", Integer, server_default=func.foobar()),
)
values = [
{"id": 1, "data": "data1"},
{"id": 2, "data": "data2", "foo": "plainfoo"},
{"id": 3, "data": "data3"},
]
checkparams = {
"id_m0": 1,
"id_m1": 2,
"id_m2": 3,
"data_m0": "data1",
"data_m1": "data2",
"data_m2": "data3",
}
self.assert_compile(
table.insert().values(values),
"INSERT INTO sometable (id, data) VALUES "
"(%(id_m0)s, %(data_m0)s), "
"(%(id_m1)s, %(data_m1)s), "
"(%(id_m2)s, %(data_m2)s)",
checkparams=checkparams,
dialect=postgresql.dialect(),
)示例5: test_inline_default
def test_inline_default(self):
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("foo", Integer, default=func.foobar()),
)
self.assert_compile(
table.insert(values={}, inline=True),
"INSERT INTO sometable (foo) VALUES (foobar())",
)
self.assert_compile(
table.insert(inline=True),
"INSERT INTO sometable (foo) VALUES (foobar())",
params={},
)示例6: insert
def insert(self, table, **kw):
"""
Convenience insert of a single row to the specified table.
Executes as an operation, returning no value.
:param table: The table to insert into.
:param kw: The columns to insert and their values.
:rtype: twisted.internet.defer.Deferred
"""
return self.operation(table.insert().values(**kw))示例7: test_insert_literal_binds_sequence_notimplemented
def test_insert_literal_binds_sequence_notimplemented(self):
table = Table("x", MetaData(), Column("y", Integer, Sequence("y_seq")))
dialect = default.DefaultDialect()
dialect.supports_sequences = True
stmt = table.insert().values(myid=3, name="jack")
assert_raises(
NotImplementedError,
stmt.compile,
compile_kwargs=dict(literal_binds=True),
dialect=dialect,
)示例8: test_insert_from_select_no_defaults
def test_insert_from_select_no_defaults(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('foo', Integer, default=func.foobar()))
table1 = self.tables.mytable
sel = select([table1.c.myid]).where(table1.c.name == 'foo')
ins = table.insert().\
from_select(["id"], sel, include_defaults=False)
self.assert_compile(
ins,
"INSERT INTO sometable (id) SELECT mytable.myid "
"FROM mytable WHERE mytable.name = :name_1",
checkparams={"name_1": "foo"}
)示例9: test_python_scalar_default
def test_python_scalar_default(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('data', String),
Column('foo', Integer, default=10))
values = [
{'id': 1, 'data': 'data1'},
{'id': 2, 'data': 'data2', 'foo': 15},
{'id': 3, 'data': 'data3'},
]
checkparams = {
'id_m0': 1,
'id_m1': 2,
'id_m2': 3,
'data_m0': 'data1',
'data_m1': 'data2',
'data_m2': 'data3',
'foo': None, # evaluated later
'foo_m1': 15,
'foo_m2': None # evaluated later
}
stmt = table.insert().values(values)
eq_(
dict([
(k, v.type._type_affinity)
for (k, v) in
stmt.compile(dialect=postgresql.dialect()).binds.items()]),
{
'foo': Integer, 'data_m2': String, 'id_m0': Integer,
'id_m2': Integer, 'foo_m1': Integer, 'data_m1': String,
'id_m1': Integer, 'foo_m2': Integer, 'data_m0': String}
)
self.assert_compile(
stmt,
'INSERT INTO sometable (id, data, foo) VALUES '
'(%(id_m0)s, %(data_m0)s, %(foo)s), '
'(%(id_m1)s, %(data_m1)s, %(foo_m1)s), '
'(%(id_m2)s, %(data_m2)s, %(foo_m2)s)',
checkparams=checkparams,
dialect=postgresql.dialect())示例10: test_insert_from_select_with_python_defaults
def test_insert_from_select_with_python_defaults(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('foo', Integer, default=12))
table1 = self.tables.mytable
sel = select([table1.c.myid]).where(table1.c.name == 'foo')
ins = table.insert().\
from_select(["id"], sel)
self.assert_compile(
ins,
"INSERT INTO sometable (id, foo) SELECT "
"mytable.myid, :foo AS anon_1 "
"FROM mytable WHERE mytable.name = :name_1",
# value filled in at execution time
checkparams={"name_1": "foo", "foo": None}
)示例11: test_insert_from_select_with_sql_defaults
def test_insert_from_select_with_sql_defaults(self):
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("foo", Integer, default=func.foobar()),
)
table1 = self.tables.mytable
sel = select([table1.c.myid]).where(table1.c.name == "foo")
ins = table.insert().from_select(["id"], sel)
self.assert_compile(
ins,
"INSERT INTO sometable (id, foo) SELECT "
"mytable.myid, foobar() AS foobar_1 "
"FROM mytable WHERE mytable.name = :name_1",
checkparams={"name_1": "foo"},
)示例12: test_insert_from_select_override_defaults
def test_insert_from_select_override_defaults(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('foo', Integer, default=12))
table1 = self.tables.mytable
sel = select(
[table1.c.myid, table1.c.myid.label('q')]).where(
table1.c.name == 'foo')
ins = table.insert().\
from_select(["id", "foo"], sel)
self.assert_compile(
ins,
"INSERT INTO sometable (id, foo) SELECT "
"mytable.myid, mytable.myid AS q "
"FROM mytable WHERE mytable.name = :name_1",
checkparams={"name_1": "foo"}
)示例13: test_sql_functions
def test_sql_functions(self):
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("data", String),
Column("foo", Integer),
)
values = [
{"id": 1, "data": "foo", "foo": func.foob()},
{"id": 2, "data": "bar", "foo": func.foob()},
{"id": 3, "data": "bar", "foo": func.bar()},
{"id": 4, "data": "bar", "foo": 15},
{"id": 5, "data": "bar", "foo": func.foob()},
]
checkparams = {
"id_m0": 1,
"data_m0": "foo",
"id_m1": 2,
"data_m1": "bar",
"id_m2": 3,
"data_m2": "bar",
"id_m3": 4,
"data_m3": "bar",
"foo_m3": 15,
"id_m4": 5,
"data_m4": "bar",
}
self.assert_compile(
table.insert().values(values),
"INSERT INTO sometable (id, data, foo) VALUES "
"(%(id_m0)s, %(data_m0)s, foob()), "
"(%(id_m1)s, %(data_m1)s, foob()), "
"(%(id_m2)s, %(data_m2)s, bar()), "
"(%(id_m3)s, %(data_m3)s, %(foo_m3)s), "
"(%(id_m4)s, %(data_m4)s, foob())",
checkparams=checkparams,
dialect=postgresql.dialect(),
)示例14: test_sql_functions
def test_sql_functions(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('data', String),
Column('foo', Integer))
values = [
{"id": 1, "data": "foo", "foo": func.foob()},
{"id": 2, "data": "bar", "foo": func.foob()},
{"id": 3, "data": "bar", "foo": func.bar()},
{"id": 4, "data": "bar", "foo": 15},
{"id": 5, "data": "bar", "foo": func.foob()},
]
checkparams = {
'id_m0': 1,
'data_m0': 'foo',
'id_m1': 2,
'data_m1': 'bar',
'id_m2': 3,
'data_m2': 'bar',
'id_m3': 4,
'data_m3': 'bar',
'foo_m3': 15,
'id_m4': 5,
'data_m4': 'bar'
}
self.assert_compile(
table.insert().values(values),
"INSERT INTO sometable (id, data, foo) VALUES "
"(%(id_m0)s, %(data_m0)s, foob()), "
"(%(id_m1)s, %(data_m1)s, foob()), "
"(%(id_m2)s, %(data_m2)s, bar()), "
"(%(id_m3)s, %(data_m3)s, %(foo_m3)s), "
"(%(id_m4)s, %(data_m4)s, foob())",
checkparams=checkparams,
dialect=postgresql.dialect())示例15: test_server_default_absent_value
def test_server_default_absent_value(self):
metadata = MetaData()
table = Table('sometable', metadata,
Column('id', Integer, primary_key=True),
Column('data', String),
Column('foo', Integer, server_default=func.foobar()))
values = [
{'id': 1, 'data': 'data1', 'foo': 'plainfoo'},
{'id': 2, 'data': 'data2'},
{'id': 3, 'data': 'data3', 'foo': 'otherfoo'},
]
assert_raises_message(
exc.CompileError,
"INSERT value for column sometable.foo is explicitly rendered "
"as a boundparameter in the VALUES clause; a Python-side value or "
"SQL expression is required",
table.insert().values(values).compile
)