System Table Schema Change Checklist When adding, removing, or modifying columns or indexes on a system table, multiple files and golden test artifacts must be updated in lockstep. Missing any of these causes test failures that can be confusing to debug. 1. Schema Definition Update the table's schema string and descriptor literal in: - - The schema string (e.g., ) - The descriptor literal (e.g., ): columns, column IDs, family column names/IDs, index store column names/IDs, - must be max(column IDs) + 1 - When adding/removing columns, update both and in the family descriptor - If the column sh…