[GitHub] [superset] geido commented on a change in pull request #17973: feat: initial setup for sybase

[GitBox <gi...@apache.org>]

geido commented on a change in pull request #17973:
URL: https://github.com/apache/superset/pull/17973#discussion_r781287933



##########
File path: superset/db_engine_specs/sybase.py
##########
@@ -0,0 +1,64 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from datetime import datetime
+from typing import Any, Dict, Optional, TYPE_CHECKING
+
+from superset.db_engine_specs.base import BaseEngineSpec
+from superset.utils import core as utils
+
+if TYPE_CHECKING:
+    from superset.connectors.sqla.models import TableColumn
+
+
+class SybaseEngineSpec(BaseEngineSpec):
+    engine = "sybase"
+    engine_name = "Sybase"
+
+    _time_grain_expressions = {
+        None: "{col}",
+        "PT1S": "DATEPART(SECOND, {col})",
+        "PT1M": "DATEPART(MINUTE, {col})",
+        "PT1H": "DATEPART(HOUR, {col})",
+        "P1D": "DATEPART(DAY, {col})",
+        "P1W": "DATEPART(WEEK, {col})",
+        "P1M": "DATEPART(MONTH, {col})",
+        "P3M": "DATEPART(QUARTER, {col})",
+        "P1Y": "DATEPART(YEAR, {col})",
+    }
+
+    @classmethod
+    def epoch_ms_to_dttm(cls) -> str:
+        return "{col}"
+
+    @classmethod
+    def convert_dttm(cls, target_type: str, dttm: datetime) -> Optional[str]:
+        print(cls)

Review comment:
       ```suggestion
   ```




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