fixed migration script

Author: Andrei Neagu

packages/postgres-database/src/simcore_postgres_database/migration/versions/219608f5a9c3_add_template_type_to_projects.py

@@ -18,12 +18,20 @@
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
+    # Create enum type first
+    project_template_type = sa.Enum(
+        "TEMPLATE", "TUTORIAL", "HYPERTOOL", name="projecttemplatetype"
+    )
+    project_template_type.create(op.get_bind())
+
+    # Then add column using the enum type
     op.add_column(
         "projects",
         sa.Column(
             "template_type",
-            sa.Enum("TEMPLATE", "TUTORIAL", "HYPERTOOL", name="projecttemplatetype"),
+            project_template_type,
             nullable=True,
+            default=None,
         ),
     )
     # Update existing template projects
@@ -34,4 +42,6 @@ def upgrade():
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.drop_column("projects", "template_type")
+    # Drop the enum type after dropping the column
+    sa.Enum(name="projecttemplatetype").drop(op.get_bind())
     # ### end Alembic commands ###