dpgaspar commented on a change in pull request #13389:
URL: https://github.com/apache/superset/pull/13389#discussion_r587374293
##########
File path: superset/datasets/dao.py
##########
@@ -186,9 +169,77 @@ def update( # pylint: disable=W:279
super().update(model, properties, commit=commit)
properties["columns"] = original_properties
- super().update(model, properties, commit=False)
+ updated_model = super().update(model, properties, commit=False)
model.health_check(force=True, commit=False)
- return super().update(model, properties, commit=commit)
+ return updated_model
+
+ @classmethod
+ def update_columns(
+ cls,
+ model: SqlaTable,
+ property_columns: List[Dict[str, Any]],
+ commit: bool = True,
+ ) -> List[TableColumn]:
+ """
+ Creates/updates and/or deletes a list of columns, based on a
+ list of Dict.
+
+ - If a column Dict has an `id` property then we update.
+ - If a column Dict does not have an `id` then we create a new metric.
+ - If there are extra columns on the metadata db that are not defined
on the List
+ then we delete.
+ """
+ new_columns = []
+ for column in property_columns:
+ column_id = column.get("id")
+
+ if column_id:
+ column_obj = db.session.query(TableColumn).get(column_id)
+ column_obj = DatasetDAO.update_column(column_obj, column,
commit=commit)
+ else:
+ column_obj = DatasetDAO.create_column(column, commit=commit)
+ new_columns.append(column_obj)
+ # Checks if an exiting column is missing from properties and delete it
+ for existing_column in model.columns:
+ if existing_column.column_name not in [
+ column["column_name"] for column in property_columns
Review comment:
good catch, changed
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