[GitHub] [incubator-superset] graceguo-supercat commented on a change in pull request #9109: [migration] metadata for dashboard filters

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

graceguo-supercat commented on a change in pull request #9109: [migration] metadata for dashboard filters
URL: https://github.com/apache/incubator-superset/pull/9109#discussion_r377935248
 
 

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 File path: superset/migrations/versions/3325d4caccc8_dashboard_scoped_filters.py
 ##########
 @@ -0,0 +1,114 @@
+# 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.
+"""empty message
+
+Revision ID: 3325d4caccc8
+Revises: e96dbf2cfef0
+Create Date: 2020-02-07 14:13:51.714678
+
+"""
+
+# revision identifiers, used by Alembic.
+import json
+import logging
+
+from alembic import op
+from sqlalchemy import and_, Column, ForeignKey, Integer, String, Table, Text
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
+
+from superset import db
+from superset.utils.dashboard_filter_scopes_converter import convert_filter_scopes
+
+revision = "3325d4caccc8"
+down_revision = "e96dbf2cfef0"
+
+Base = declarative_base()
+
+
+class Slice(Base):
+    """Declarative class to do query in upgrade"""
+
+    __tablename__ = "slices"
+    id = Column(Integer, primary_key=True)
+    slice_name = Column(String(250))
+    params = Column(Text)
+    viz_type = Column(String(250))
+
+
+dashboard_slices = Table(
 
 Review comment:
   a found a few places in our code base that use variable (instead of class) for relationship table. 

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