text: exports.up = function(knex) {
      return knex.schema.raw(`
          ALTER TABLE checkpoints
              ADD COLUMN input_geoms JSONB[];
  
          ALTER TABLE checkpoints
              RENAME COLUMN geoms TO retrain_geoms;
      `);
    }
    
    exports.down = function(knex) {
      return knex.schema.raw(`
          ALTER TABLE checkpoints
              DROP COLUMN input_geoms;
  
          ALTER TABLE checkpoints
              RENAME COLUMN retrain_geoms TO geoms;
      `);
    }
    