test(backends): remove now unused supports_arrays_outside_of_select backend flag (ibis-project#8935)

Test case configuration now happens through pytest markers.

Author: kszucs

ibis/backends/druid/tests/conftest.py

@@ -96,7 +96,6 @@ class TestConf(ServiceBackendTest):
     check_dtype = False
     returned_timestamp_unit = "s"
     supports_arrays = False
-    supports_arrays_outside_of_select = supports_arrays
     native_bool = True
     supports_structs = False
     supports_json = False  # it does, but we haven't implemented it

ibis/backends/exasol/tests/conftest.py

@@ -27,7 +27,6 @@ class TestConf(ServiceBackendTest):
     check_dtype = False
     check_names = False
     supports_arrays = False
-    supports_arrays_outside_of_select = supports_arrays
     supports_divide_by_zero = False
     returned_timestamp_unit = "us"
     supported_to_timestamp_units = {"s", "ms", "us"}

ibis/backends/impala/tests/conftest.py

@@ -22,7 +22,6 @@
 
 class TestConf(BackendTest):
     supports_arrays = True
-    supports_arrays_outside_of_select = False
     check_dtype = False
     supports_divide_by_zero = True
     returned_timestamp_unit = "s"

ibis/backends/mssql/tests/conftest.py

@@ -24,7 +24,7 @@ class TestConf(ServiceBackendTest):
     # MSSQL has the same rounding behavior as postgres
     check_dtype = False
     returned_timestamp_unit = "s"
-    supports_arrays_outside_of_select = supports_arrays = False
+    supports_arrays = False
     supports_structs = False
     supports_json = False
     rounding_method = "half_to_even"

ibis/backends/mysql/tests/conftest.py

@@ -24,7 +24,7 @@ class TestConf(ServiceBackendTest):
     # mysql has the same rounding behavior as postgres
     check_dtype = False
     returned_timestamp_unit = "s"
-    supports_arrays = supports_arrays_outside_of_select = False
+    supports_arrays = False
     native_bool = False
     supports_structs = False
     rounding_method = "half_to_even"

ibis/backends/oracle/tests/conftest.py

@@ -36,7 +36,6 @@ class TestConf(ServiceBackendTest):
     check_dtype = False
     returned_timestamp_unit = "s"
     supports_arrays = False
-    supports_arrays_outside_of_select = False
     # Automatic mutate so that logical type in ibis returns as bool
     # but the backend will still do whatever it's going to do
     native_bool = False

ibis/backends/sqlite/tests/conftest.py

@@ -16,7 +16,6 @@
 
 class TestConf(BackendTest):
     supports_arrays = False
-    supports_arrays_outside_of_select = supports_arrays
     check_dtype = False
     returned_timestamp_unit = "s"
     supports_structs = False

ibis/backends/tests/base.py

@@ -36,8 +36,6 @@ class BackendTest(abc.ABC):
     "Check that column name matches when comparing Pandas Series"
     supports_arrays: bool = True
     "Whether backend supports Arrays / Lists"
-    supports_arrays_outside_of_select: bool = supports_arrays
-    "Whether backend supports Arrays / Lists outside of Select Statements"
     supports_divide_by_zero: bool = False
     "Whether backend supports division by zero"
     returned_timestamp_unit: str = "us"