Fix typo made in #1964

ibis/omniscidb/client.py

@@ -1178,7 +1178,7 @@ def database(self, name=None):
                 protocol=self.protocol,
                 session_id=self.session_id,
                 ipc=self.ipc,
-                device=self.device,
+                gpu_device=self.gpu_device,
             )
             return self.database_class(name, new_client)
 

ibis/tests/all/conftest.py

@@ -414,3 +414,39 @@ def temp_view(con) -> str:
     finally:
         if hasattr(con, 'drop_view'):
             con.drop_view(name, force=True)
+
+
+@pytest.fixture(scope='session')
+def current_data_db(con, backend) -> str:
+    """Return current database name."""
+    if not hasattr(con, 'current_database'):
+        pytest.skip(
+            f'{backend.name} backend doesn\'t have current_database method.'
+        )
+    return con.current_database
+
+
+@pytest.fixture
+def alternate_current_database(con, backend, current_data_db: str) -> str:
+    """Create a temporary database and yield its name.
+    Drops the created database upon completion.
+
+    Parameters
+    ----------
+    con : ibis.client.Client
+    current_data_db : str
+    Yields
+    -------
+    str
+    """
+    name = _random_identifier('database')
+    if not hasattr(con, 'create_database'):
+        pytest.skip(
+            f'{backend.name} backend doesn\'t have create_database method.'
+        )
+    con.create_database(name)
+    try:
+        yield name
+    finally:
+        con.set_database(current_data_db)
+        con.drop_database(name, force=True)

ibis/tests/all/test_client.py

@@ -4,7 +4,14 @@
 
 import ibis
 import ibis.expr.datatypes as dt
-from ibis.tests.backends import BigQuery, Impala, PySpark, Spark
+from ibis.tests.backends import (
+    BigQuery,
+    Clickhouse,
+    Impala,
+    OmniSciDB,
+    PySpark,
+    Spark,
+)
 
 
 @pytest.fixture
@@ -187,3 +194,17 @@ def test_create_drop_view(con, backend, temp_view):
     v_expr = con.table(temp_view)
     # check if the view and the table has the same fields
     assert set(t_expr.schema().names) == set(v_expr.schema().names)
+
+
+@pytest.mark.only_on_backends(
+    [BigQuery, Clickhouse, Impala, OmniSciDB, Spark, BigQuery],
+    reason="run only if backend is sql-based",
+)
+def test_separate_database(con, alternate_current_database, current_data_db):
+    # using alternate_current_database switches "con" current
+    #  database to a temporary one until a test is over
+    tmp_db = con.database(alternate_current_database)
+    # verifying we can open another db which isn't equal to current
+    db = con.database(current_data_db)
+    assert db.name == current_data_db
+    assert tmp_db.name == alternate_current_database