fix(migration): add log for values unseen in Slice.datasource_type

superset/migrations/versions/2023-03-27_12-30_7e67aecbf3f1_chart_ds_constraint.py

@@ -27,6 +27,7 @@
 down_revision = "07f9a902af1b"
 
 import json
+import logging
 
 import sqlalchemy as sa
 from alembic import op
@@ -36,6 +37,8 @@
 
 Base = declarative_base()
 
+logger = logging.getLogger()
+
 
 class Slice(Base):  # type: ignore
     __tablename__ = "slices"
@@ -63,9 +66,15 @@ def upgrade():
     session = db.Session(bind=bind)
 
     with op.batch_alter_table("slices") as batch_op:
-        for slc in session.query(Slice).filter(Slice.datasource_type == "query").all():
-            upgrade_slc(slc)
-            session.add(slc)
+        for slc in session.query(Slice).filter(Slice.datasource_type != "table").all():
+            if slc.datasource_type == "query":
+                upgrade_slc(slc)
+                session.add(slc)
+
+            else:
+                logger.info(
+                    f"unknown value detected for slc.datasource_type: {slc.datasource_type}"
+                )
 
         batch_op.create_check_constraint(
             "ck_chart_datasource", "datasource_type in ('table')"