db_xml.py: put(): Inserting children with fkeys to parent: Don't do this if this node had an error and sql_io.put_table() returned None as the generated pkey. This fixes a bug where a node with an error will still try to create children with fkeys to parent, but pass None as the fkey to parent, which the recursive put() call will then incorrectly treat as there being no field with an fkey to parent at all rather than a field whose value is NULL. This causes function overload resolution to be unable to find the intended function, because it is missing a parameter.
db_xml.py: put(): Inserting children with fkeys to parent: Don't do this if this node had an error and sql_io.put_table() returned None as the generated pkey. This fixes a bug where a node with an error will still try to create children with fkeys to parent, but pass None as the fkey to parent, which the recursive put() call will then incorrectly treat as there being no field with an fkey to parent at all rather than a field whose value is NULL. This causes function overload resolution to be unable to find the intended function, because it is missing a parameter.