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1983 lines (1730 loc) · 62.8 KB
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from __future__ import annotations
from typing import Tuple
from sqlalchemy import bindparam
from sqlalchemy import Column
from sqlalchemy import column
from sqlalchemy import exc
from sqlalchemy import func
from sqlalchemy import insert
from sqlalchemy import Integer
from sqlalchemy import MetaData
from sqlalchemy import select
from sqlalchemy import Sequence
from sqlalchemy import String
from sqlalchemy import Table
from sqlalchemy import table
from sqlalchemy import testing
from sqlalchemy import text
from sqlalchemy.dialects import mysql
from sqlalchemy.dialects import postgresql
from sqlalchemy.dialects import sqlite
from sqlalchemy.engine import default
from sqlalchemy.sql import crud
from sqlalchemy.testing import assert_raises
from sqlalchemy.testing import assert_raises_message
from sqlalchemy.testing import AssertsCompiledSQL
from sqlalchemy.testing import config
from sqlalchemy.testing import eq_
from sqlalchemy.testing import expect_raises_message
from sqlalchemy.testing import expect_warnings
from sqlalchemy.testing import fixtures
from sqlalchemy.testing.provision import normalize_sequence
class ORMExpr:
def __init__(self, col):
self.col = col
def __clause_element__(self):
return self.col
class _InsertTestBase:
@classmethod
def define_tables(cls, metadata):
Table(
"mytable",
metadata,
Column("myid", Integer),
Column("name", String(30)),
Column("description", String(30)),
)
Table(
"myothertable",
metadata,
Column("otherid", Integer, primary_key=True),
Column("othername", String(30)),
)
Table(
"table_w_defaults",
metadata,
Column("id", Integer, primary_key=True),
Column("x", Integer, default=10),
Column("y", Integer, server_default=text("5")),
Column("z", Integer, default=lambda: 10),
)
class InsertTest(_InsertTestBase, fixtures.TablesTest, AssertsCompiledSQL):
__dialect__ = "default_enhanced"
@testing.combinations(
((), ("z",), ()),
(("x",), (), ()),
(("x",), ("y",), ("x", "y")),
(("x", "y"), ("y",), ("x", "y")),
)
def test_return_defaults_generative(
self,
initial_keys: Tuple[str, ...],
second_keys: Tuple[str, ...],
expected_keys: Tuple[str, ...],
):
t = table("foo", column("x"), column("y"), column("z"))
initial_cols = tuple(t.c[initial_keys])
second_cols = tuple(t.c[second_keys])
expected = set(t.c[expected_keys])
stmt = t.insert().return_defaults(*initial_cols)
eq_(stmt._return_defaults_columns, initial_cols)
stmt = stmt.return_defaults(*second_cols)
assert isinstance(stmt._return_defaults_columns, tuple)
eq_(set(stmt._return_defaults_columns), expected)
@testing.variation("add_values", ["before", "after"])
@testing.variation("multi_values", [True, False])
@testing.variation("sort_by_parameter_order", [True, False])
def test_sort_by_parameter_ordering_parameter_no_multi_values(
self, add_values, multi_values, sort_by_parameter_order
):
t = table("foo", column("x"), column("y"), column("z"))
stmt = insert(t)
if add_values.before:
if multi_values:
stmt = stmt.values([{"y": 6}, {"y": 7}])
else:
stmt = stmt.values(y=6)
stmt = stmt.returning(
t.c.x, sort_by_parameter_order=bool(sort_by_parameter_order)
)
if add_values.after:
if multi_values:
stmt = stmt.values([{"y": 6}, {"y": 7}])
else:
stmt = stmt.values(y=6)
if multi_values:
if sort_by_parameter_order:
with expect_raises_message(
exc.CompileError,
"RETURNING cannot be determinstically sorted "
"when using an INSERT",
):
stmt.compile()
else:
self.assert_compile(
stmt,
"INSERT INTO foo (y) VALUES (:y_m0), (:y_m1) "
"RETURNING foo.x",
)
else:
self.assert_compile(
stmt,
"INSERT INTO foo (y) VALUES (:y) RETURNING foo.x",
)
def test_binds_that_match_columns(self):
"""test bind params named after column names
replace the normal SET/VALUES generation.
See also test_compiler.py::CrudParamOverlapTest
"""
t = table("foo", column("x"), column("y"))
i = t.insert().values(x=3 + bindparam("x"))
self.assert_compile(i, "INSERT INTO foo (x) VALUES ((:param_1 + :x))")
self.assert_compile(
i,
"INSERT INTO foo (x, y) VALUES ((:param_1 + :x), :y)",
params={"x": 1, "y": 2},
)
i = t.insert().values(x=bindparam("y"))
self.assert_compile(i, "INSERT INTO foo (x) VALUES (:y)")
i = t.insert().values(x=bindparam("y"), y=5)
assert_raises(exc.CompileError, i.compile)
i = t.insert().values(x=3 + bindparam("y"), y=5)
assert_raises(exc.CompileError, i.compile)
i = t.insert().values(x=3 + bindparam("x2"))
self.assert_compile(i, "INSERT INTO foo (x) VALUES ((:param_1 + :x2))")
self.assert_compile(
i, "INSERT INTO foo (x) VALUES ((:param_1 + :x2))", params={}
)
self.assert_compile(
i,
"INSERT INTO foo (x, y) VALUES ((:param_1 + :x2), :y)",
params={"x": 1, "y": 2},
)
self.assert_compile(
i,
"INSERT INTO foo (x, y) VALUES ((:param_1 + :x2), :y)",
params={"x2": 1, "y": 2},
)
def test_insert_literal_binds(self):
table1 = self.tables.mytable
stmt = table1.insert().values(myid=3, name="jack")
self.assert_compile(
stmt,
"INSERT INTO mytable (myid, name) VALUES (3, 'jack')",
literal_binds=True,
)
def test_insert_literal_binds_sequence_notimplemented(self):
table = Table(
"x",
MetaData(),
Column(
"y", Integer, normalize_sequence(config, 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,
)
def test_inline_defaults(self):
m = MetaData()
foo = Table("foo", m, Column("id", Integer))
t = Table(
"test",
m,
Column("col1", Integer, default=func.foo(1)),
Column(
"col2",
Integer,
default=select(func.coalesce(func.max(foo.c.id))),
),
)
self.assert_compile(
t.insert().values({}),
"INSERT INTO test (col1, col2) VALUES (foo(:foo_1), "
"(SELECT coalesce(max(foo.id)) AS coalesce_1 FROM "
"foo))",
)
self.assert_compile(
t.insert().inline().values({}),
"INSERT INTO test (col1, col2) VALUES (foo(:foo_1), "
"(SELECT coalesce(max(foo.id)) AS coalesce_1 FROM "
"foo))",
)
def test_generic_insert_bind_params_all_columns(self):
table1 = self.tables.mytable
self.assert_compile(
insert(table1),
"INSERT INTO mytable (myid, name, description) "
"VALUES (:myid, :name, :description)",
)
def test_insert_with_values_dict(self):
table1 = self.tables.mytable
checkparams = {"myid": 3, "name": "jack"}
self.assert_compile(
insert(table1).values(myid=3, name="jack"),
"INSERT INTO mytable (myid, name) VALUES (:myid, :name)",
checkparams=checkparams,
)
def test_unconsumed_names_kwargs(self):
t = table("t", column("x"), column("y"))
assert_raises_message(
exc.CompileError,
"Unconsumed column names: z",
t.insert().values(x=5, z=5).compile,
)
def test_bindparam_name_no_consume_error(self):
t = table("t", column("x"), column("y"))
# bindparam names don't get counted
i = t.insert().values(x=3 + bindparam("x2"))
self.assert_compile(i, "INSERT INTO t (x) VALUES ((:param_1 + :x2))")
# even if in the params list
i = t.insert().values(x=3 + bindparam("x2"))
self.assert_compile(
i, "INSERT INTO t (x) VALUES ((:param_1 + :x2))", params={"x2": 1}
)
def test_unconsumed_names_values_dict(self):
table1 = self.tables.mytable
checkparams = {"myid": 3, "name": "jack", "unknowncol": "oops"}
stmt = insert(table1).values(checkparams)
assert_raises_message(
exc.CompileError,
"Unconsumed column names: unknowncol",
stmt.compile,
dialect=postgresql.dialect(),
)
def test_unconsumed_names_multi_values_dict(self):
table1 = self.tables.mytable
checkparams = [
{"myid": 3, "name": "jack", "unknowncol": "oops"},
{"myid": 4, "name": "someone", "unknowncol": "oops"},
]
stmt = insert(table1).values(checkparams)
assert_raises_message(
exc.CompileError,
"Unconsumed column names: unknowncol",
stmt.compile,
dialect=postgresql.dialect(),
)
def test_insert_with_values_tuple(self):
table1 = self.tables.mytable
checkparams = {
"myid": 3,
"name": "jack",
"description": "mydescription",
}
self.assert_compile(
insert(table1).values([3, "jack", "mydescription"]),
"INSERT INTO mytable (myid, name, description) "
"VALUES (:myid, :name, :description)",
checkparams=checkparams,
)
def test_insert_with_values_func(self):
table1 = self.tables.mytable
self.assert_compile(
insert(table1).values(myid=func.lala()),
"INSERT INTO mytable (myid) VALUES (lala())",
)
def test_insert_with_user_supplied_bind_params(self):
table1 = self.tables.mytable
values = {
table1.c.myid: bindparam("userid"),
table1.c.name: bindparam("username"),
}
self.assert_compile(
insert(table1).values(values),
"INSERT INTO mytable (myid, name) VALUES (:userid, :username)",
)
def test_insert_values_multiple(self):
table1 = self.tables.mytable
values1 = {table1.c.myid: bindparam("userid")}
values2 = {table1.c.name: bindparam("username")}
self.assert_compile(
insert(table1).values(values1).values(values2),
"INSERT INTO mytable (myid, name) VALUES (:userid, :username)",
)
def test_prefix_with(self):
table1 = self.tables.mytable
stmt = (
table1.insert()
.prefix_with("A", "B", dialect="mysql")
.prefix_with("C", "D")
)
self.assert_compile(
stmt,
"INSERT C D INTO mytable (myid, name, description) "
"VALUES (:myid, :name, :description)",
)
self.assert_compile(
stmt,
"INSERT A B C D INTO mytable (myid, name, description) "
"VALUES (%s, %s, %s)",
dialect=mysql.dialect(),
)
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(),
"INSERT INTO sometable (foo) VALUES (foobar())",
)
self.assert_compile(
table.insert(),
"INSERT INTO sometable (foo) VALUES (foobar())",
params={},
)
self.assert_compile(
table.insert().values().inline(),
"INSERT INTO sometable (foo) VALUES (foobar())",
)
self.assert_compile(
table.insert().inline(),
"INSERT INTO sometable (foo) VALUES (foobar())",
params={},
)
def test_insert_returning_not_in_default(self):
table1 = self.tables.mytable
stmt = table1.insert().returning(table1.c.myid)
self.assert_compile(
stmt,
"INSERT INTO mytable (myid, name, description) "
"VALUES (:myid, :name, :description) RETURNING mytable.myid",
dialect=default.DefaultDialect(),
)
def test_insert_from_select_returning(self):
table1 = self.tables.mytable
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == "foo"
)
ins = (
self.tables.myothertable.insert()
.from_select(("otherid", "othername"), sel)
.returning(self.tables.myothertable.c.otherid)
)
self.assert_compile(
ins,
"INSERT INTO myothertable (otherid, othername) "
"SELECT mytable.myid, mytable.name FROM mytable "
"WHERE mytable.name = %(name_1)s RETURNING myothertable.otherid",
checkparams={"name_1": "foo"},
dialect="postgresql",
)
def test_insert_from_select_select(self):
table1 = self.tables.mytable
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == "foo"
)
ins = self.tables.myothertable.insert().from_select(
("otherid", "othername"), sel
)
self.assert_compile(
ins,
"INSERT INTO myothertable (otherid, othername) "
"SELECT mytable.myid, mytable.name FROM mytable "
"WHERE mytable.name = :name_1",
checkparams={"name_1": "foo"},
)
def test_insert_from_select_seq(self):
m = MetaData()
t1 = Table(
"t",
m,
Column(
"id",
Integer,
normalize_sequence(config, Sequence("id_seq")),
primary_key=True,
),
Column("data", String),
)
stmt = t1.insert().from_select(("data",), select(t1.c.data))
self.assert_compile(
stmt,
"INSERT INTO t (data, id) SELECT t.data, "
"nextval('id_seq') AS next_value_1 FROM t",
dialect=postgresql.dialect(),
)
def test_insert_seq_pk_multi_values(self):
"""test #6361"""
m = MetaData()
t1 = Table(
"t",
m,
Column(
"id",
Integer,
normalize_sequence(config, Sequence("id_seq")),
primary_key=True,
),
Column("data", String),
)
stmt = t1.insert().values(
[{"data": "d1"}, {"data": "d2"}, {"data": "d3"}]
)
self.assert_compile(
stmt,
"INSERT INTO t (id, data) VALUES (nextval('id_seq'), "
"%(data_m0)s), (nextval('id_seq'), %(data_m1)s), "
"(nextval('id_seq'), %(data_m2)s)",
dialect=postgresql.dialect(),
)
def test_insert_seq_non_pk_multi_values(self):
"""test #6361"""
m = MetaData()
t1 = Table(
"t",
m,
Column("id", Integer, primary_key=True),
Column(
"counter", normalize_sequence(config, Sequence("counter_seq"))
),
Column("data", String),
)
stmt = t1.insert().values(
[{"data": "d1"}, {"data": "d2"}, {"data": "d3"}]
)
self.assert_compile(
stmt,
"INSERT INTO t (counter, data) VALUES (nextval('counter_seq'), "
"%(data_m0)s), (nextval('counter_seq'), %(data_m1)s), "
"(nextval('counter_seq'), %(data_m2)s)",
dialect=postgresql.dialect(),
)
@testing.variation("paramstyle", ["pg", "qmark", "numeric", "dollar"])
def test_heterogeneous_multi_values(self, paramstyle):
"""for #6047, originally I thought we'd take any insert().values()
and be able to convert it to a "many" style execution that we can
cache.
however, this test shows that we cannot, at least not in the
general case, because SQL expressions are not guaranteed to be in
the same position each time, therefore each ``VALUES`` clause is not
of the same structure.
"""
m = MetaData()
t1 = Table(
"t",
m,
Column("id", Integer, primary_key=True),
Column("x", Integer),
Column("y", Integer),
Column("z", Integer),
)
stmt = t1.insert().values(
[
{"x": 1, "y": func.sum(1, 2), "z": 2},
{"x": func.sum(1, 2), "y": 2, "z": 3},
{"x": func.sum(1, 2), "y": 2, "z": func.foo(10)},
]
)
pos_par = (
1,
1,
2,
2,
1,
2,
2,
3,
1,
2,
2,
10,
)
# SQL expressions in the params at arbitrary locations means
# we have to scan them at compile time, and the shape of the bound
# parameters is not predictable. so for #6047 where I originally
# thought all of values() could be rewritten, this makes it not
# really worth it.
if paramstyle.pg:
self.assert_compile(
stmt,
"INSERT INTO t (x, y, z) VALUES "
"(%(x_m0)s, sum(%(sum_1)s, %(sum_2)s), %(z_m0)s), "
"(sum(%(sum_3)s, %(sum_4)s), %(y_m1)s, %(z_m1)s), "
"(sum(%(sum_5)s, %(sum_6)s), %(y_m2)s, foo(%(foo_1)s))",
checkparams={
"x_m0": 1,
"sum_1": 1,
"sum_2": 2,
"z_m0": 2,
"sum_3": 1,
"sum_4": 2,
"y_m1": 2,
"z_m1": 3,
"sum_5": 1,
"sum_6": 2,
"y_m2": 2,
"foo_1": 10,
},
dialect=postgresql.dialect(),
)
elif paramstyle.qmark:
self.assert_compile(
stmt,
"INSERT INTO t (x, y, z) VALUES "
"(?, sum(?, ?), ?), "
"(sum(?, ?), ?, ?), "
"(sum(?, ?), ?, foo(?))",
checkpositional=pos_par,
dialect=sqlite.dialect(),
)
elif paramstyle.numeric:
self.assert_compile(
stmt,
"INSERT INTO t (x, y, z) VALUES "
"(:1, sum(:2, :3), :4), "
"(sum(:5, :6), :7, :8), "
"(sum(:9, :10), :11, foo(:12))",
checkpositional=pos_par,
dialect=sqlite.dialect(paramstyle="numeric"),
)
elif paramstyle.dollar:
self.assert_compile(
stmt,
"INSERT INTO t (x, y, z) VALUES "
"($1, sum($2, $3), $4), "
"(sum($5, $6), $7, $8), "
"(sum($9, $10), $11, foo($12))",
checkpositional=pos_par,
dialect=sqlite.dialect(paramstyle="numeric_dollar"),
)
else:
paramstyle.fail()
def test_insert_seq_pk_multi_values_seq_not_supported(self):
m = MetaData()
t1 = Table(
"t",
m,
Column(
"id",
Integer,
normalize_sequence(config, Sequence("id_seq")),
primary_key=True,
),
Column("data", String),
)
stmt = t1.insert().values(
[{"data": "d1"}, {"data": "d2"}, {"data": "d3"}]
)
self.assert_compile(
stmt,
"INSERT INTO t (data) VALUES (?), (?), (?)",
dialect=sqlite.dialect(),
)
def test_insert_from_select_cte_one(self):
table1 = self.tables.mytable
cte = select(table1.c.name).where(table1.c.name == "bar").cte()
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == cte.c.name
)
ins = self.tables.myothertable.insert().from_select(
("otherid", "othername"), sel
)
self.assert_compile(
ins,
"WITH anon_1 AS "
"(SELECT mytable.name AS name FROM mytable "
"WHERE mytable.name = :name_1) "
"INSERT INTO myothertable (otherid, othername) "
"SELECT mytable.myid, mytable.name FROM mytable, anon_1 "
"WHERE mytable.name = anon_1.name",
checkparams={"name_1": "bar"},
)
def test_insert_from_select_cte_follows_insert_one(self):
dialect = default.DefaultDialect()
dialect.cte_follows_insert = True
table1 = self.tables.mytable
cte = select(table1.c.name).where(table1.c.name == "bar").cte()
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == cte.c.name
)
ins = self.tables.myothertable.insert().from_select(
("otherid", "othername"), sel
)
self.assert_compile(
ins,
"INSERT INTO myothertable (otherid, othername) "
"WITH anon_1 AS "
"(SELECT mytable.name AS name FROM mytable "
"WHERE mytable.name = :name_1) "
"SELECT mytable.myid, mytable.name FROM mytable, anon_1 "
"WHERE mytable.name = anon_1.name",
checkparams={"name_1": "bar"},
dialect=dialect,
)
def test_insert_from_select_cte_two(self):
table1 = self.tables.mytable
cte = table1.select().cte("c")
stmt = cte.select()
ins = table1.insert().from_select(table1.c, stmt)
self.assert_compile(
ins,
"WITH c AS (SELECT mytable.myid AS myid, mytable.name AS name, "
"mytable.description AS description FROM mytable) "
"INSERT INTO mytable (myid, name, description) "
"SELECT c.myid, c.name, c.description FROM c",
)
def test_insert_from_select_cte_follows_insert_two(self):
dialect = default.DefaultDialect()
dialect.cte_follows_insert = True
table1 = self.tables.mytable
cte = table1.select().cte("c")
stmt = cte.select()
ins = table1.insert().from_select(table1.c, stmt)
self.assert_compile(
ins,
"INSERT INTO mytable (myid, name, description) "
"WITH c AS (SELECT mytable.myid AS myid, mytable.name AS name, "
"mytable.description AS description FROM mytable) "
"SELECT c.myid, c.name, c.description FROM c",
dialect=dialect,
)
def test_insert_from_select_select_alt_ordering(self):
table1 = self.tables.mytable
sel = select(table1.c.name, table1.c.myid).where(
table1.c.name == "foo"
)
ins = self.tables.myothertable.insert().from_select(
("othername", "otherid"), sel
)
self.assert_compile(
ins,
"INSERT INTO myothertable (othername, otherid) "
"SELECT mytable.name, mytable.myid FROM mytable "
"WHERE mytable.name = :name_1",
checkparams={"name_1": "foo"},
)
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"},
)
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"},
)
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},
)
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"},
)
def test_insert_from_select_fn_defaults(self):
metadata = MetaData()
def foo(ctx):
return 12
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("foo", Integer, default=foo),
)
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},
)
def test_insert_from_select_fn_defaults_compound(self):
"""test #8073"""
metadata = MetaData()
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("foo", Integer, default="foo"),
Column("bar", Integer, default="bar"),
)
table1 = self.tables.mytable
sel = (
select(table1.c.myid)
.where(table1.c.name == "foo")
.union(select(table1.c.myid).where(table1.c.name == "foo"))
)
ins = table.insert().from_select(["id"], sel)
with expect_raises_message(
exc.CompileError,
r"Can't extend statement for INSERT..FROM SELECT to include "
r"additional default-holding column\(s\) 'foo', 'bar'. "
r"Convert the selectable to a subquery\(\) first, or pass "
r"include_defaults=False to Insert.from_select\(\) to skip these "
r"columns.",
):
ins.compile()
def test_insert_from_select_fn_defaults_compound_subquery(self):
"""test #8073"""
metadata = MetaData()
def foo(ctx):
return 12
table = Table(
"sometable",
metadata,
Column("id", Integer, primary_key=True),
Column("foo", Integer, default="foo"),
Column("bar", Integer, default="bar"),
)
table1 = self.tables.mytable
sel = (
select(table1.c.myid)
.where(table1.c.name == "foo")
.union(select(table1.c.myid).where(table1.c.name == "foo"))
.subquery()
)
ins = table.insert().from_select(["id"], sel)
self.assert_compile(
ins,
"INSERT INTO sometable (id, foo, bar) SELECT anon_1.myid, "
":foo AS anon_2, :bar AS anon_3 FROM "
"(SELECT mytable.myid AS myid FROM mytable "
"WHERE mytable.name = :name_1 UNION "
"SELECT mytable.myid AS myid FROM mytable "
"WHERE mytable.name = :name_2) AS anon_1",
checkparams={
"foo": None,
"bar": None,
"name_1": "foo",
"name_2": "foo",
},
)
def test_insert_from_select_dont_mutate_raw_columns(self):
# test [ticket:3603]
from sqlalchemy import table
table_ = table(
"mytable",
Column("foo", String),
Column("bar", String, default="baz"),
)
stmt = select(table_.c.foo)
insert = table_.insert().from_select(["foo"], stmt)
self.assert_compile(stmt, "SELECT mytable.foo FROM mytable")
self.assert_compile(
insert,
"INSERT INTO mytable (foo, bar) "
"SELECT mytable.foo, :bar AS anon_1 FROM mytable",
)
self.assert_compile(stmt, "SELECT mytable.foo FROM mytable")
self.assert_compile(
insert,
"INSERT INTO mytable (foo, bar) "
"SELECT mytable.foo, :bar AS anon_1 FROM mytable",
)
def test_insert_mix_select_values_exception(self):
table1 = self.tables.mytable
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == "foo"
)
ins = self.tables.myothertable.insert().from_select(
("otherid", "othername"), sel
)
assert_raises_message(
exc.InvalidRequestError,
"This construct already inserts from a SELECT",
ins.values,
othername="5",
)
def test_insert_mix_values_select_exception(self):
table1 = self.tables.mytable
sel = select(table1.c.myid, table1.c.name).where(
table1.c.name == "foo"
)
ins = self.tables.myothertable.insert().values(othername="5")
assert_raises_message(
exc.InvalidRequestError,
"This construct already inserts value expressions",
ins.from_select,
("otherid", "othername"),
sel,
)
def test_insert_from_select_table(self):
table1 = self.tables.mytable
ins = self.tables.myothertable.insert().from_select(
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