[GitHub] [airflow] ashb commented on a change in pull request #8176: Improve add_dag_code_table migration

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

ashb commented on a change in pull request #8176: Improve add_dag_code_table migration
URL: https://github.com/apache/airflow/pull/8176#discussion_r404933503
 
 

 ##########
 File path: airflow/migrations/versions/952da73b5eff_add_dag_code_table.py
 ##########
 @@ -38,6 +37,18 @@
 
 
 def upgrade():
+    from sqlalchemy.ext.declarative import declarative_base
+
+    Base = declarative_base()
+
+    class SerializedDagModel(Base):
+        __tablename__ = 'serialized_dag'
+
+        # There are other columns here, but these are the only ones we need for the SELECT/UPDATE we are doing
+        dag_id = sa.Column(sa.String(250), primary_key=True)
+        fileloc = sa.Column(sa.String(2000), nullable=False)
+        fileloc_hash = sa.Column(sa.BigInteger, nullable=False)
 
 Review comment:
   Yup.

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