tiranux commented on code in PR #34168:
URL: https://github.com/apache/airflow/pull/34168#discussion_r1318902232


##########
airflow/utils/dag_parameters_overflow.py:
##########
@@ -0,0 +1,56 @@
+# 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.
+"""DAG parameters overflow validator."""
+from __future__ import annotations
+
+import functools
+from typing import TYPE_CHECKING
+
+from airflow import settings
+from airflow.exceptions import AirflowDagTaskOutOfBoundsValue, AirflowException
+
+if TYPE_CHECKING:
+    from airflow.models.dag import DAG
+
+
+_POSTGRES_PRIORITY_WEIGHT_UPPER_BOUND = 2147483647
+_POSTGRES_PRIORITY_WEIGHT_LOWER_BOUND = -2147483648

Review Comment:
   Thanks for the comments @Taragolis . Yes, it does affect other DB backens 
but I wanted to start with Postgres as per indication with the original PR 
discussion. I have no problem if we add for other engines now, though. 



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