test(sql): remove xdist_group marker for .sql tests (#8295)

ibis/backends/base/sql/__init__.py

@@ -408,8 +408,3 @@ def _get_operations(cls):
     @classmethod
     def has_operation(cls, operation: type[ops.Value]) -> bool:
         return operation in cls._get_operations()
-
-    def _create_temp_view(self, view, definition):
-        raise NotImplementedError(
-            f"The {self.name} backend does not implement temporary view creation"
-        )

ibis/backends/risingwave/__init__.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import atexit
 from functools import partial
 from itertools import repeat
 from typing import TYPE_CHECKING
@@ -209,28 +208,6 @@ def create_table(
             name, schema=schema, source=self, namespace=ops.Namespace(database=database)
         ).to_expr()
 
-    def _get_temp_view_definition(self, name: str, definition):
-        drop = sge.Drop(
-            kind="VIEW", exists=True, this=sg.table(name), cascade=True
-        ).sql(self.dialect)
-
-        create = sge.Create(
-            this=sg.to_identifier(name, quoted=self.compiler.quoted),
-            kind="VIEW",
-            expression=definition,
-            replace=False,
-        ).sql(self.dialect)
-
-        atexit.register(self._clean_up_tmp_view, name)
-        return f"{drop}; {create}"
-
-    def _clean_up_tmp_view(self, name: str) -> None:
-        drop = sge.Drop(
-            kind="VIEW", exists=True, this=sg.table(name), cascade=True
-        ).sql(self.dialect)
-        with self.begin() as bind:
-            bind.execute(drop)
-
     def _register_in_memory_table(self, op: ops.InMemoryTable) -> None:
         schema = op.schema
         if null_columns := [col for col, dtype in schema.items() if dtype.is_null()]:

ibis/backends/tests/test_dot_sql.py

@@ -35,8 +35,6 @@
     ["dask", "pandas"], reason="dask and pandas do not accept SQL"
 )
 
-pytestmark = [pytest.mark.xdist_group("dot_sql")]
-
 _NAMES = {
     "bigquery": "ibis_gbq_testing.functional_alltypes",
     "exasol": '"functional_alltypes"',

ibis/backends/trino/__init__.py

@@ -323,23 +323,6 @@ def _metadata(self, query: str) -> Iterator[tuple[str, dt.DataType]]:
                 for name, _, _, _, trino_type, *_ in info
             )
 
-    def _execute_view_creation(self, name, definition):
-        # NB: trino doesn't support temporary views so we use the less
-        # desirable method of cleaning up when the Python process exits using
-        # an atexit hook
-        #
-        # the method that defines the atexit hook is defined in the parent
-        # class
-        view = sg.Create(
-            kind="VIEW",
-            this=sg.table(name, quoted=self.compiler.quoted),
-            expression=definition,
-            replace=True,
-        )
-
-        with self._safe_raw_sql(view):
-            pass
-
     def create_schema(
         self, name: str, database: str | None = None, force: bool = False
     ) -> None: