feat(mssql): implement ops.ExtractEpochSeconds

ibis-project · Dec 28, 2022 · 4f49b5b · 4f49b5b
1 parent 4125593
commit 4f49b5b
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/ibis/backends/mssql/registry.py b/ibis/backends/mssql/registry.py
@@ -142,5 +142,11 @@ def _round(t, op):
         ops.DayOfWeekIndex: fixed_arity(
             lambda x: sa.func.datepart(sa.text('weekday'), x) - 1, 1
         ),
+        ops.ExtractEpochSeconds: fixed_arity(
+            lambda x: sa.cast(
+                sa.func.datediff(sa.text('s'), '1970-01-01 00:00:00', x), sa.BIGINT
+            ),
+            1,
+        ),
     }
 )
diff --git a/ibis/backends/tests/test_temporal.py b/ibis/backends/tests/test_temporal.py
@@ -108,7 +108,7 @@ def test_timestamp_extract_milliseconds(backend, alltypes, df):
     backend.assert_series_equal(result, expected)
 
 
-@pytest.mark.notimpl(["datafusion", "mssql"])
+@pytest.mark.notimpl(["datafusion"])
 def test_timestamp_extract_epoch_seconds(backend, alltypes, df):
     expr = alltypes.timestamp_col.epoch_seconds().name('tmp')
     result = expr.execute()