potiuk commented on code in PR #24613:
URL: https://github.com/apache/airflow/pull/24613#discussion_r905837067


##########
airflow/migrations/versions/0113_2_4_0_add_dataset_model.py:
##########
@@ -0,0 +1,57 @@
+#
+# 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.
+
+"""Add Dataset model
+
+Revision ID: 0038cd0c28b4
+Revises: 424117c37d18
+Create Date: 2022-06-22 14:37:20.880672
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy import Integer, func
+
+from airflow.migrations.db_types import TIMESTAMP, StringID
+from airflow.utils.sqlalchemy import ExtendedJSON
+
+revision = '0038cd0c28b4'
+down_revision = '424117c37d18'
+branch_labels = None
+depends_on = None
+airflow_version = '2.4.0'
+
+
+def upgrade():
+    """Apply Add Dataset model"""
+    op.create_table(
+        'dataset',
+        sa.Column('id', Integer, primary_key=True, autoincrement=True),
+        sa.Column('uri', StringID(length=1000)),

Review Comment:
   (of course some custom solution with hashes is also a possibility if we want 
to get longer, generally-unique URL, but it gets a bit more complex)



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