-- Ruecknahme von Phase 16.

DROP INDEX IF EXISTS backups_baseline_idx;

ALTER TABLE backups
    DROP CONSTRAINT IF EXISTS backups_incompressible_within_new,
    DROP CONSTRAINT IF EXISTS backups_signal_counts_not_negative,
    DROP COLUMN IF EXISTS extension_distribution,
    DROP COLUMN IF EXISTS deleted_file_count,
    DROP COLUMN IF EXISTS changed_file_count,
    DROP COLUMN IF EXISTS new_chunk_count,
    DROP COLUMN IF EXISTS incompressible_chunks;