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Draft: [DRIVER-784] Validate SELECT without FROM support #930

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Draft: [DRIVER-784] Validate SELECT without FROM support #930

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ce1e842
DRIVER-784: start SELECT without FROM validation
dkropachev Jul 13, 2026
e9ae132
test: cover SELECT without FROM
dkropachev Jul 13, 2026
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21 changes: 21 additions & 0 deletions tests/integration/standard/test_query.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import pytest
from cassandra import ProtocolVersion
from cassandra import ConsistencyLevel, Unavailable, InvalidRequest, cluster
from cassandra.protocol import SyntaxException
from cassandra.query import (PreparedStatement, BoundStatement, SimpleStatement,
BatchStatement, BatchType, dict_factory, TraceUnavailable)
from cassandra.cluster import NoHostAvailable, ExecutionProfile, EXEC_PROFILE_DEFAULT, Cluster
Expand All @@ -35,6 +36,7 @@
import time
import random
import re
import uuid

from unittest import mock

Expand All @@ -58,6 +60,25 @@ def setup_module():

class QueryTests(BasicSharedKeyspaceUnitTestCase):

def test_select_without_from(self):
try:
result_set = self.session.execute("SELECT 1")
except (InvalidRequest, SyntaxException):
raise unittest.SkipTest("Server does not support SELECT without FROM")

assert result_set.column_names == ["1"]
assert result_set.one()[0] == 1

result_set = self.session.execute("SELECT now()")
assert result_set.column_names == ["now()"]
assert isinstance(result_set.one()[0], uuid.UUID)

prepared = self.session.prepare("SELECT 1")
assert self.session.execute(prepared.bind(())).one()[0] == 1

prepared = self.session.prepare("SELECT now()")
assert isinstance(self.session.execute(prepared.bind(())).one()[0], uuid.UUID)

def test_query(self):

prepared = self.session.prepare(
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