test(backend): add temporal literal tests

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/bigquery-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('2023-04-07' AS DATE) AS `datetime_date_2023_ 4_ 7`

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/bigquery-time/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06.230136' AS TIME) AS `datetime_time_4_ 5_ 6_ 230136`

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/bigquery-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('2023-04-07 04:05:06.230136' AS DATETIME) AS `datetime_datetime_2023_ 4_ 7_ 4_ 5_ 6_ 230136`

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/clickhouse-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  toDate('2023-04-07') AS "datetime.date(2023, 4, 7)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/clickhouse-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  toDateTime64('2023-04-07T04:05:06.230136', 6) AS "datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/impala-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '2023-04-07' AS `datetime.date(2023, 4, 7)`

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/impala-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '2023-04-07T04:05:06.230136' AS `datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)`

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/snowflake-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  DATE_FROM_PARTS(2023, 4, 7) AS "datetime.date(2023, 4, 7)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/snowflake-time/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  TIME_FROM_PARTS(4, 5, 6, 230136000) AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/snowflake-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  TIMESTAMP_FROM_PARTS(2023, 4, 7, 4, 5, 6, 230136000) AS "datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/sqlite-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '2023-04-07' AS "datetime.date(2023, 4, 7)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/sqlite-time/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '04:05:06.230136' AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/sqlite-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '2023-04-07 04:05:06.230136' AS "datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/trino-date/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  FROM_ISO8601_DATE('2023-04-07') AS "datetime.date(2023, 4, 7)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/trino-time/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06.230136' AS TIME) AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_temporal_literals/trino-timestamp/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST(FROM_ISO8601_TIMESTAMP('2023-04-07T04:05:06.230136') AS TIMESTAMP) AS "datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/0-bigquery/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06' AS TIME) AS `datetime_time_4_ 5_ 6`

ibis/backends/tests/snapshots/test_temporal/test_time_literals/0-snowflake/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  TIME_FROM_PARTS(4, 5, 6, 0) AS "datetime.time(4, 5, 6)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/0-sqlite/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '04:05:06.000000' AS "datetime.time(4, 5, 6)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/0-trino/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06' AS TIME) AS "datetime.time(4, 5, 6)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/234567-bigquery/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06.234567' AS TIME) AS `datetime_time_4_ 5_ 6_ 234567`

ibis/backends/tests/snapshots/test_temporal/test_time_literals/234567-snowflake/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  TIME_FROM_PARTS(4, 5, 6, 234567000) AS "datetime.time(4, 5, 6, 234567)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/234567-sqlite/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '04:05:06.234567' AS "datetime.time(4, 5, 6, 234567)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/234567-trino/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06.234567' AS TIME) AS "datetime.time(4, 5, 6, 234567)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/bigquery/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  CAST('04:05:06.230136' AS TIME) AS `datetime_time_4_ 5_ 6_ 230136`

ibis/backends/tests/snapshots/test_temporal/test_time_literals/duckdb/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  MAKE_TIME(4, 5, 6.230136) AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/snowflake/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  TIME_FROM_PARTS(4, 5, 6, 230136000) AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/snapshots/test_temporal/test_time_literals/sqlite/out.sql

@@ -0,0 +1,2 @@
+SELECT
+  '04:05:06.230136' AS "datetime.time(4, 5, 6, 230136)"

ibis/backends/tests/test_temporal.py

@@ -15,6 +15,7 @@
 import ibis
 import ibis.common.exceptions as com
 import ibis.expr.datatypes as dt
+from ibis.backends.base import _get_backend_names
 from ibis.backends.pandas.execution.temporal import day_name
 from ibis.common.annotations import ValidationError
 
@@ -176,11 +177,6 @@ def test_timestamp_extract(backend, alltypes, df, attr):
                     raises=sa.exc.CompileError,
                     reason='No literal value renderer is available for literal value "datetime.datetime(2015, 9, 1, 14, 48, 5, 359000)" with datatype DATETIME',
                 ),
-                pytest.mark.notimpl(
-                    ["oracle"],
-                    raises=sa.exc.DatabaseError,
-                    reason="ORA-30076: invalid extract field for extract source",
-                ),
             ],
         ),
         param(
@@ -193,11 +189,6 @@ def test_timestamp_extract(backend, alltypes, df, attr):
                     raises=sa.exc.CompileError,
                     reason='No literal value renderer is available for literal value "datetime.datetime(2015, 9, 1, 14, 48, 5, 359000)" with datatype DATETIME',
                 ),
-                pytest.mark.notimpl(
-                    ["oracle"],
-                    raises=sa.exc.DatabaseError,
-                    reason="ORA-30076: invalid extract field for extract source",
-                ),
             ],
         ),
         param(
@@ -210,11 +201,6 @@ def test_timestamp_extract(backend, alltypes, df, attr):
                     raises=sa.exc.CompileError,
                     reason='No literal value renderer is available for literal value "datetime.datetime(2015, 9, 1, 14, 48, 5, 359000)" with datatype DATETIME',
                 ),
-                pytest.mark.notimpl(
-                    ["oracle"],
-                    raises=sa.exc.DatabaseError,
-                    reason="ORA-30076: invalid extract field for extract source",
-                ),
             ],
         ),
         param(
@@ -2950,3 +2936,67 @@ def test_timestamp_bucket_offset(backend, offset_mins):
     td = pd.Timedelta(minutes=offset_mins)
     sol = ((ts.execute() - td).dt.floor("300s") + td).astype("datetime64[ns]")
     backend.assert_series_equal(res, sol)
+
+
+_NO_SQLGLOT_DIALECT = {"pandas", "dask", "druid", "flink", "datafusion", "polars"}
+no_sqlglot_dialect = sorted(
+    param(backend, marks=pytest.mark.xfail) for backend in _NO_SQLGLOT_DIALECT
+)
+
+
+@pytest.mark.parametrize(
+    "value",
+    [
+        param(datetime.date(2023, 4, 7), id="date"),
+        param(datetime.datetime(2023, 4, 7, 4, 5, 6, 230136), id="timestamp"),
+    ],
+)
+@pytest.mark.parametrize(
+    "dialect",
+    [
+        *sorted(_get_backend_names() - {"pyspark", *_NO_SQLGLOT_DIALECT}),
+        *no_sqlglot_dialect,
+    ],
+)
+def test_temporal_literals(value, dialect, snapshot):
+    expr = ibis.literal(value)
+    sql = ibis.to_sql(expr, dialect=dialect)
+    snapshot.assert_match(sql, "out.sql")
+
+
+@pytest.mark.parametrize(
+    "dialect",
+    [
+        *sorted(
+            _get_backend_names()
+            - {"pyspark", "impala", "clickhouse", "oracle", *_NO_SQLGLOT_DIALECT}
+        ),
+        *no_sqlglot_dialect,
+        *[
+            param(
+                "impala",
+                marks=pytest.mark.xfail(
+                    raises=NotImplementedError, reason="no time type support"
+                ),
+            ),
+            param(
+                "clickhouse",
+                marks=pytest.mark.xfail(
+                    raises=NotImplementedError, reason="no time type support"
+                ),
+            ),
+            param(
+                "oracle",
+                marks=pytest.mark.xfail(
+                    raises=NotImplementedError, reason="no time type support"
+                ),
+            ),
+        ],
+    ],
+)
+@pytest.mark.parametrize("micros", [0, 234567])
+def test_time_literals(dialect, snapshot, micros):
+    value = datetime.time(4, 5, 6, microsecond=micros)
+    expr = ibis.literal(value)
+    sql = ibis.to_sql(expr, dialect=dialect)
+    snapshot.assert_match(sql, "out.sql")