DROP TABLE IF EXISTS mining_progress_stats_agg_table;
DROP TABLE IF EXISTS annotation_progress_stats_agg_table;

ALTER TABLE IF EXISTS mined_chum_uri_table DROP COLUMN IF EXISTS runtime;
ALTER TABLE IF EXISTS mining_job_table DROP COLUMN IF EXISTS events_stats_json;
ALTER TABLE IF EXISTS mining_job_table DROP COLUMN IF EXISTS chum_uris_stats_json;

