try fix for sqlite & exasol

Author: kaijennissen

ibis/backends/sqlite/compiler.py

@@ -427,7 +427,14 @@ def visit_DayOfWeekIndex(self, op, *, arg):
         )
 
     def visit_IsoDayOfWeekIndex(self, op, *, arg):
-        return self.cast(self.f.strftime("%u", arg), dt.int64)
+        # return self.cast(self.f.strftime("%u", arg), dt.int64)
+        return (
+            self.cast(
+                self.f.mod(self.cast(self.f.strftime("%w", arg) + 6, dt.int64), 7),
+                dt.int64,
+            )
+            + 1
+        )
 
     def visit_DayOfWeekName(self, op, *, arg):
         return sge.Case(

ibis/backends/tests/test_temporal.py

@@ -1480,7 +1480,7 @@ def test_day_of_week_scalar(
     raises=AttributeError,
     reason="StringColumn' object has no attribute 'day_of_week'",
 )
-@pytest.mark.notimpl(["exasol"], raises=com.OperationNotDefinedError)
+# @pytest.mark.notimpl(["exasol"], raises=com.OperationNotDefinedError)
 @pytest.mark.broken(
     ["risingwave"],
     raises=AssertionError,
@@ -1512,9 +1512,9 @@ def test_day_of_week_column(backend, alltypes, df):
             lambda t: t.timestamp_col.day_of_week.index().count(),
             lambda s: s.dt.dayofweek.count(),
             id="day_of_week_index",
-            marks=[
-                pytest.mark.notimpl(["exasol"], raises=com.OperationNotDefinedError)
-            ],
+            # marks=[
+            #     pytest.mark.notimpl(["exasol"], raises=com.OperationNotDefinedError)
+            # ],
         ),
         param(
             lambda t: t.timestamp_col.day_of_week.full_name().length().sum(),