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test_sync_query.py
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994 lines (834 loc) · 33.4 KB
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#
# This source file is part of the EdgeDB open source project.
#
# Copyright 2016-present MagicStack Inc. and the EdgeDB authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import datetime
import decimal
import json
import random
import threading
import time
import uuid
import edgedb
from edgedb import abstract
from gel import _testbase as tb
from edgedb.protocol import protocol
class TestSyncQuery(tb.SyncQueryTestCase):
SETUP = '''
CREATE TYPE test::Tmp {
CREATE REQUIRED PROPERTY tmp -> std::str;
};
CREATE TYPE test::TmpConflict {
CREATE REQUIRED PROPERTY tmp -> std::str {
CREATE CONSTRAINT exclusive;
}
};
CREATE TYPE test::TmpConflictChild extending test::TmpConflict;
CREATE SCALAR TYPE MyEnum EXTENDING enum<"A", "B">;
'''
TEARDOWN = '''
DROP TYPE test::Tmp;
DROP TYPE test::TmpConflictChild;
DROP TYPE test::TmpConflict;
'''
def test_sync_parse_error_recover_01(self):
for _ in range(2):
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.query('select syntax error')
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.query('select syntax error')
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.query('select (')
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.query_json('select (')
for _ in range(10):
self.assertEqual(
self.client.query('select 1;'),
edgedb.Set((1,)))
self.assertFalse(self.client.connection.is_closed())
def test_sync_parse_error_recover_02(self):
for _ in range(2):
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.execute('select syntax error')
with self.assertRaises(edgedb.EdgeQLSyntaxError):
self.client.execute('select syntax error')
for _ in range(10):
self.client.execute('select 1; select 2;')
def test_sync_exec_error_recover_01(self):
for _ in range(2):
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.query('select 1 / 0;')
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.query('select 1 / 0;')
for _ in range(10):
self.assertEqual(
self.client.query('select 1;'),
edgedb.Set((1,)))
def test_sync_exec_error_recover_02(self):
for _ in range(2):
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.execute('select 1 / 0;')
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.execute('select 1 / 0;')
for _ in range(10):
self.client.execute('select 1;')
def test_sync_exec_error_recover_03(self):
query = 'select 10 // <int64>$0;'
for i in [1, 2, 0, 3, 1, 0, 1]:
if i:
self.assertEqual(
self.client.query(query, i),
edgedb.Set([10 // i]))
else:
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.query(query, i)
def test_sync_exec_error_recover_04(self):
for i in [1, 2, 0, 3, 1, 0, 1]:
if i:
self.client.execute(f'select 10 // {i};')
else:
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.query(f'select 10 // {i};')
def test_sync_exec_error_recover_05(self):
with self.assertRaises(edgedb.DivisionByZeroError):
self.client.execute(f'select 1 / 0')
self.assertEqual(
self.client.query('SELECT "HELLO"'),
["HELLO"])
def test_sync_query_single_01(self):
res = self.client.query_single("SELECT 1")
self.assertEqual(res, 1)
res = self.client.query_single("SELECT <str>{}")
self.assertEqual(res, None)
res = self.client.query_required_single("SELECT 1")
self.assertEqual(res, 1)
with self.assertRaises(edgedb.NoDataError):
self.client.query_required_single("SELECT <str>{}")
def test_sync_query_single_command_01(self):
r = self.client.query('''
CREATE TYPE test::server_query_single_command_01 {
CREATE REQUIRED PROPERTY server_query_single_command_01 ->
std::str;
};
''')
self.assertEqual(r, [])
r = self.client.query('''
DROP TYPE test::server_query_single_command_01;
''')
self.assertEqual(r, [])
r = self.client.query('''
CREATE TYPE test::server_query_single_command_01 {
CREATE REQUIRED PROPERTY server_query_single_command_01 ->
std::str;
};
''')
self.assertEqual(r, [])
r = self.client.query('''
DROP TYPE test::server_query_single_command_01;
''')
self.assertEqual(r, [])
r = self.client.query_json('''
CREATE TYPE test::server_query_single_command_01 {
CREATE REQUIRED PROPERTY server_query_single_command_01 ->
std::str;
};
''')
self.assertEqual(r, '[]')
r = self.client.query_json('''
DROP TYPE test::server_query_single_command_01;
''')
self.assertEqual(r, '[]')
self.assertTrue(
self.client.connection._get_last_status().startswith('DROP')
)
def test_sync_query_no_return(self):
with self.assertRaisesRegex(
edgedb.InterfaceError,
r'cannot be executed with query_required_single\(\).*'
r'not return'):
self.client.query_required_single('create type Foo123')
with self.assertRaisesRegex(
edgedb.InterfaceError,
r'cannot be executed with query_required_single_json\(\).*'
r'not return'):
self.client.query_required_single_json('create type Bar123')
def test_sync_basic_datatypes_01(self):
for _ in range(10):
self.assertEqual(
self.client.query_single(
'select ()'),
())
self.assertEqual(
self.client.query(
'select (1,)'),
edgedb.Set([(1,)]))
self.assertEqual(
self.client.query_single(
'select <array<int64>>[]'),
[])
self.assertEqual(
self.client.query(
'select ["a", "b"]'),
edgedb.Set([["a", "b"]]))
self.assertEqual(
self.client.query('''
SELECT {(a := 1 + 1 + 40, world := ("hello", 32)),
(a:=1, world := ("yo", 10))};
'''),
edgedb.Set([
edgedb.NamedTuple(a=42, world=("hello", 32)),
edgedb.NamedTuple(a=1, world=("yo", 10)),
]))
with self.assertRaisesRegex(
edgedb.InterfaceError,
r'query cannot be executed with query_single\('):
self.client.query_single('SELECT {1, 2}')
with self.assertRaisesRegex(edgedb.NoDataError,
r'\bquery_required_single_json\('):
self.client.query_required_single_json('SELECT <int64>{}')
def test_sync_basic_datatypes_02(self):
self.assertEqual(
self.client.query(
r'''select [b"\x00a", b"b", b'', b'\na']'''),
edgedb.Set([[b"\x00a", b"b", b'', b'\na']]))
self.assertEqual(
self.client.query(
r'select <bytes>$0', b'he\x00llo'),
edgedb.Set([b'he\x00llo']))
def test_sync_basic_datatypes_03(self):
for _ in range(10):
self.assertEqual(
self.client.query_json(
'select ()'),
'[[]]')
self.assertEqual(
self.client.query_json(
'select (1,)'),
'[[1]]')
self.assertEqual(
self.client.query_json(
'select <array<int64>>[]'),
'[[]]')
self.assertEqual(
json.loads(
self.client.query_json(
'select ["a", "b"]')),
[["a", "b"]])
self.assertEqual(
json.loads(
self.client.query_single_json(
'select ["a", "b"]')),
["a", "b"])
self.assertEqual(
json.loads(
self.client.query_json('''
SELECT {(a := 1 + 1 + 40, world := ("hello", 32)),
(a:=1, world := ("yo", 10))};
''')),
[
{"a": 42, "world": ["hello", 32]},
{"a": 1, "world": ["yo", 10]}
])
self.assertEqual(
json.loads(
self.client.query_json('SELECT {1, 2}')),
[1, 2])
self.assertEqual(
json.loads(self.client.query_json('SELECT <int64>{}')),
[])
with self.assertRaises(edgedb.NoDataError):
self.client.query_required_single_json('SELECT <int64>{}')
self.assertEqual(
json.loads(self.client.query_single_json('SELECT <int64>{}')),
None
)
def test_sync_args_01(self):
self.assertEqual(
self.client.query(
'select (<array<str>>$foo)[0] ++ (<array<str>>$bar)[0];',
foo=['aaa'], bar=['bbb']),
edgedb.Set(('aaabbb',)))
def test_sync_args_02(self):
self.assertEqual(
self.client.query(
'select (<array<str>>$0)[0] ++ (<array<str>>$1)[0];',
['aaa'], ['bbb']),
edgedb.Set(('aaabbb',)))
def test_sync_args_03(self):
with self.assertRaisesRegex(edgedb.QueryError, r'missing \$0'):
self.client.query('select <int64>$1;')
with self.assertRaisesRegex(edgedb.QueryError, r'missing \$1'):
self.client.query('select <int64>$0 + <int64>$2;')
with self.assertRaisesRegex(edgedb.QueryError,
'combine positional and named parameters'):
self.client.query('select <int64>$0 + <int64>$bar;')
def test_sync_args_04(self):
aware_datetime = datetime.datetime.now(datetime.timezone.utc)
naive_datetime = datetime.datetime.now()
date = datetime.date.today()
naive_time = datetime.time(hour=11)
aware_time = datetime.time(hour=11, tzinfo=datetime.timezone.utc)
self.assertEqual(
self.client.query_single(
'select <datetime>$0;',
aware_datetime),
aware_datetime)
self.assertEqual(
self.client.query_single(
'select <cal::local_datetime>$0;',
naive_datetime),
naive_datetime)
self.assertEqual(
self.client.query_single(
'select <cal::local_date>$0;',
date),
date)
self.assertEqual(
self.client.query_single(
'select <cal::local_time>$0;',
naive_time),
naive_time)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
r'a timezone-aware.*expected'):
self.client.query_single(
'select <datetime>$0;',
naive_datetime)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
r'a naive time object.*expected'):
self.client.query_single(
'select <cal::local_time>$0;',
aware_time)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
r'a naive datetime object.*expected'):
self.client.query_single(
'select <cal::local_datetime>$0;',
aware_datetime)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
r'datetime.datetime object was expected'):
self.client.query_single(
'select <cal::local_datetime>$0;',
date)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
r'datetime.datetime object was expected'):
self.client.query_single(
'select <datetime>$0;',
date)
def test_sync_mismatched_args_01(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
r"expected {'a'} arguments, "
"got {'[bc]', '[bc]'}, "
r"missed {'a'}, extra {'[bc]', '[bc]'}"):
self.client.query("""SELECT <int64>$a;""", b=1, c=2)
def test_sync_mismatched_args_02(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
r"expected {'[ab]', '[ab]'} arguments, "
r"got {'[acd]', '[acd]', '[acd]'}, "
r"missed {'b'}, extra {'[cd]', '[cd]'}"):
self.client.query("""
SELECT <int64>$a + <int64>$b;
""", a=1, c=2, d=3)
def test_sync_mismatched_args_03(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
"expected {'a'} arguments, got {'b'}, "
"missed {'a'}, extra {'b'}"):
self.client.query("""SELECT <int64>$a;""", b=1)
def test_sync_mismatched_args_04(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
r"expected {'[ab]', '[ab]'} arguments, "
r"got {'a'}, "
r"missed {'b'}"):
self.client.query("""SELECT <int64>$a + <int64>$b;""", a=1)
def test_sync_mismatched_args_05(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
r"expected {'a'} arguments, "
r"got {'[ab]', '[ab]'}, "
r"extra {'b'}"):
self.client.query("""SELECT <int64>$a;""", a=1, b=2)
def test_sync_mismatched_args_06(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
r"expected {'a'} arguments, "
r"got nothing, "
r"missed {'a'}"):
self.client.query("""SELECT <int64>$a;""")
def test_sync_mismatched_args_07(self):
with self.assertRaisesRegex(
edgedb.QueryArgumentError,
"expected no named arguments",
):
self.client.query("""SELECT 42""", a=1, b=2)
def test_sync_args_uuid_pack(self):
obj = self.client.query_single(
'select schema::Object {id, name} limit 1')
# Test that the custom UUID that our driver uses can be
# passed back as a parameter.
ot = self.client.query_single(
'select schema::Object {name} filter .id=<uuid>$id',
id=obj.id)
self.assertEqual(obj.id, ot.id)
self.assertEqual(obj.name, ot.name)
# Test that a string UUID is acceptable.
ot = self.client.query_single(
'select schema::Object {name} filter .id=<uuid>$id',
id=str(obj.id))
self.assertEqual(obj.id, ot.id)
self.assertEqual(obj.name, ot.name)
# Test that a standard uuid.UUID is acceptable.
ot = self.client.query_single(
'select schema::Object {name} filter .id=<uuid>$id',
id=uuid.UUID(bytes=obj.id.bytes))
self.assertEqual(obj.id, ot.id)
self.assertEqual(obj.name, ot.name)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'invalid UUID.*length must be'):
self.client.query(
'select schema::Object {name} filter .id=<uuid>$id',
id='asdasas')
def test_sync_args_bigint_basic(self):
testar = [
0,
-0,
+0,
1,
-1,
123,
-123,
123789,
-123789,
19876,
-19876,
19876,
-19876,
198761239812739812739801279371289371932,
-198761182763908473812974620938742386,
98761239812739812739801279371289371932,
-98761182763908473812974620938742386,
8761239812739812739801279371289371932,
-8761182763908473812974620938742386,
761239812739812739801279371289371932,
-761182763908473812974620938742386,
61239812739812739801279371289371932,
-61182763908473812974620938742386,
1239812739812739801279371289371932,
-1182763908473812974620938742386,
9812739812739801279371289371932,
-3908473812974620938742386,
98127373373209,
-4620938742386,
100000000000,
-100000000000,
10000000000,
-10000000000,
10000000100,
-10000000010,
1000000000,
-1000000000,
100000000,
-100000000,
10000000,
-10000000,
1000000,
-1000000,
100000,
-100000,
10000,
-10000,
1000,
-1000,
100,
-100,
10,
-10,
]
for _ in range(500):
num = ''
for _ in range(random.randint(1, 50)):
num += random.choice("0123456789")
testar.append(int(num))
for _ in range(500):
num = ''
for _ in range(random.randint(1, 50)):
num += random.choice("0000000012")
testar.append(int(num))
val = self.client.query_single(
'select <array<bigint>>$arg',
arg=testar)
self.assertEqual(testar, val)
def test_sync_args_bigint_pack(self):
val = self.client.query_single(
'select <bigint>$arg',
arg=10)
self.assertEqual(val, 10)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query(
'select <bigint>$arg',
arg='bad int')
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query(
'select <bigint>$arg',
arg=10.11)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query(
'select <bigint>$arg',
arg=decimal.Decimal('10.0'))
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query(
'select <bigint>$arg',
arg=decimal.Decimal('10.11'))
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query(
'select <bigint>$arg',
arg='10')
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query_single(
'select <bigint>$arg',
arg=decimal.Decimal('10'))
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
class IntLike:
def __int__(self):
return 10
self.client.query_single(
'select <bigint>$arg',
arg=IntLike())
def test_sync_args_intlike(self):
class IntLike:
def __int__(self):
return 10
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query_single(
'select <int16>$arg',
arg=IntLike())
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query_single(
'select <int32>$arg',
arg=IntLike())
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected an int'):
self.client.query_single(
'select <int64>$arg',
arg=IntLike())
def test_sync_args_decimal(self):
class IntLike:
def __int__(self):
return 10
val = self.client.query_single(
'select <decimal>$0', decimal.Decimal("10.0")
)
self.assertEqual(val, 10)
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected a Decimal or an int'):
self.client.query_single(
'select <decimal>$arg',
arg=IntLike())
with self.assertRaisesRegex(edgedb.InvalidArgumentError,
'expected a Decimal or an int'):
self.client.query_single(
'select <decimal>$arg',
arg="10.2")
def test_sync_wait_cancel_01(self):
underscored_lock = self.client.query_single("""
SELECT EXISTS(
SELECT schema::Function FILTER .name = 'sys::_advisory_lock'
)
""")
if not underscored_lock:
self.skipTest("No sys::_advisory_lock function")
# Test that client protocol handles waits interrupted
# by closing.
lock_key = tb.gen_lock_key()
client = self.client.with_retry_options(
edgedb.RetryOptions(attempts=1)
)
client2 = self.make_test_client(
database=self.client.dbname
).with_retry_options(
edgedb.RetryOptions(attempts=1)
).ensure_connected()
for tx in client.transaction():
with tx:
self.assertTrue(tx.query_single(
'select sys::_advisory_lock(<int64>$0)',
lock_key))
evt = threading.Event()
def exec_to_fail():
with self.assertRaises((
edgedb.ClientConnectionClosedError,
edgedb.ClientConnectionFailedError,
)):
for tx2 in client2.transaction():
with tx2:
# start the lazy transaction
tx2.query('SELECT 42;')
evt.set()
tx2.query(
'select sys::_advisory_lock(<int64>$0)',
lock_key,
)
t = threading.Thread(target=exec_to_fail)
t.start()
try:
evt.wait(1)
time.sleep(0.1)
with self.assertRaises(edgedb.InterfaceError):
# close() will ask the server nicely to
# disconnect, but since the server is blocked on
# the lock, close() will timeout and get
# cancelled, which, in turn, will terminate the
# connection rudely, and exec_to_fail() will get
# ConnectionResetError.
client2.close(timeout=0.5)
finally:
t.join()
self.assertEqual(
tx.query(
'select sys::_advisory_unlock(<int64>$0)',
lock_key),
[True])
def test_empty_set_unpack(self):
self.client.query_single('''
select schema::Function {
name,
params: {
kind,
} limit 0,
multi setarr := <array<int32>>{}
}
filter .name = 'std::str_repeat'
limit 1
''')
def test_enum_argument_01(self):
A = self.client.query_single('SELECT <MyEnum><str>$0', 'A')
self.assertEqual(str(A), 'A')
with self.assertRaisesRegex(
edgedb.InvalidValueError, 'invalid input value for enum'
):
for tx in self.client.transaction():
with tx:
tx.query_single('SELECT <MyEnum><str>$0', 'Oups')
self.assertEqual(
self.client.query_single('SELECT <MyEnum>$0', 'A'),
A)
self.assertEqual(
self.client.query_single('SELECT <MyEnum>$0', A),
A)
with self.assertRaisesRegex(
edgedb.InvalidValueError, 'invalid input value for enum'
):
for tx in self.client.transaction():
with tx:
tx.query_single('SELECT <MyEnum>$0', 'Oups')
with self.assertRaisesRegex(
edgedb.InvalidArgumentError, 'a str or gel.EnumValue'
):
self.client.query_single('SELECT <MyEnum>$0', 123)
def test_json(self):
self.assertEqual(
self.client.query_json('SELECT {"aaa", "bbb"}'),
'["aaa", "bbb"]')
def test_json_elements(self):
self.client.ensure_connected()
result = self.client._iter_coroutine(
self.client.connection.raw_query(
abstract.QueryContext(
query=abstract.QueryWithArgs(
'SELECT {"aaa", "bbb"}', (), {}
),
cache=self.client._get_query_cache(),
query_options=abstract.QueryOptions(
output_format=protocol.OutputFormat.JSON_ELEMENTS,
expect_one=False,
required_one=False,
),
retry_options=None,
state=None,
transaction_options=None,
warning_handler=lambda _ex, _: None,
annotations={},
)
)
)
self.assertEqual(
result,
edgedb.Set(['"aaa"', '"bbb"']))
def _test_sync_cancel_01(self):
# TODO(fantix): enable when command_timeout is implemented
has_sleep = self.client.query_single("""
SELECT EXISTS(
SELECT schema::Function FILTER .name = 'sys::_sleep'
)
""")
if not has_sleep:
self.skipTest("No sys::_sleep function")
client = self.make_test_client(database=self.client.dbname)
try:
self.assertEqual(client.query_single('SELECT 1'), 1)
protocol_before = client._impl._holders[0]._con._protocol
with self.assertRaises(edgedb.InterfaceError):
client.with_timeout_options(command_timeout=0.1).query_single(
'SELECT sys::_sleep(10)'
)
client.query('SELECT 2')
protocol_after = client._impl._holders[0]._con._protocol
self.assertIsNot(
protocol_before, protocol_after, "Reconnect expected"
)
finally:
client.close()
def test_sync_log_message(self):
msgs = []
def on_log(con, msg):
msgs.append(msg)
self.client.ensure_connected()
con = self.client.connection
con.add_log_listener(on_log)
try:
self.client.query(
'configure system set __internal_restart := true;'
)
# self.con.query('SELECT 1')
finally:
con.remove_log_listener(on_log)
for msg in msgs:
if (msg.get_severity_name() == 'NOTICE' and
'server restart is required' in str(msg)):
break
else:
raise AssertionError('a notice message was not delivered')
def test_sync_banned_transaction(self):
with self.assertRaisesRegex(
edgedb.CapabilityError,
r'cannot execute transaction control commands',
):
self.client.query('start transaction')
with self.assertRaisesRegex(
edgedb.CapabilityError,
r'cannot execute transaction control commands',
):
self.client.execute('start transaction')
def test_transaction_state(self):
with self.assertRaisesRegex(edgedb.QueryError, "cannot assign to.*id"):
for tx in self.client.transaction():
with tx:
tx.execute('''
INSERT test::Tmp { id := <uuid>$0, tmp := '' }
''', uuid.uuid4())
client = self.client.with_config(allow_user_specified_id=True)
for tx in client.transaction():
with tx:
tx.execute('''
INSERT test::Tmp { id := <uuid>$0, tmp := '' }
''', uuid.uuid4())
def test_sync_default_isolation_01(self):
if (self.server_version.major, self.server_version.minor) < (6, 0):
self.skipTest("RepeatableRead not supported yet")
# Test the bug fixed in geldata/gel#8623
with self.client.with_config(
default_transaction_isolation=edgedb.IsolationLevel.RepeatableRead
) as db2:
res = db2.query('''
select 1; select 2;
''')
def test_sync_default_isolation_02(self):
if (self.server_version.major, self.server_version.minor) < (6, 0):
self.skipTest("RepeatableRead not supported yet")
with self.client.with_transaction_options(
edgedb.TransactionOptions(
isolation=edgedb.IsolationLevel.RepeatableRead
)
) as db2:
res = db2.query_single('''
select sys::get_transaction_isolation()
''')
self.assertEqual(str(res), 'RepeatableRead')
with self.client.with_transaction_options(
edgedb.TransactionOptions(
isolation=edgedb.IsolationLevel.PreferRepeatableRead
)
) as db2:
res = db2.query_single('''
select sys::get_transaction_isolation()
''')
self.assertEqual(str(res), 'RepeatableRead')
# transaction_options takes precedence over config
with self.client.with_config(
default_transaction_isolation=edgedb.IsolationLevel.RepeatableRead
) as db1, db1.with_transaction_options(
edgedb.TransactionOptions(
isolation=edgedb.IsolationLevel.Serializable,
)
) as db2:
res = db2.query_single('''
select sys::get_transaction_isolation()
''')
self.assertEqual(str(res), 'Serializable')
with self.client.with_transaction_options(
edgedb.TransactionOptions(readonly=True)
) as db2:
with self.assertRaises(edgedb.errors.TransactionError):
res = db2.execute('''
insert test::Tmp { tmp := "test" }
''')
def test_sync_prefer_rr_01(self):
if (
str(self.server_version.stage) != 'dev'
and (self.server_version.major, self.server_version.minor) < (6, 5)
):
self.skipTest("DML in RepeatableRead not supported yet")
with self.client.with_config(
default_transaction_isolation=
edgedb.IsolationLevel.PreferRepeatableRead
) as db2:
# This query can run in RepeatableRead mode
res = db2.query_single('''
select {
ins := (insert test::Tmp { tmp := "test" }),
level := sys::get_transaction_isolation(),
}
''')
self.assertEqual(res.level, 'RepeatableRead')
# This one can't
res = db2.query_single('''
select {
ins := (insert test::TmpConflict { tmp := "test" }),
level := sys::get_transaction_isolation(),
}
''')
self.assertEqual(str(res.level), 'Serializable')
with self.client.with_transaction_options(
edgedb.TransactionOptions(
isolation=edgedb.IsolationLevel.PreferRepeatableRead
)
) as db2:
res = db2.query_single('''
select {
level := sys::get_transaction_isolation(),
}
''')
self.assertEqual(str(res.level), 'RepeatableRead')