text: const rootPrefix = '../..',
    cassandraKeyspaceConstant = require(rootPrefix + '/lib/globalConstant/cassandraKeyspace'),
    DbKindConstant = require(rootPrefix + '/lib/globalConstant/dbKind');
  
  let keySpace = cassandraKeyspaceConstant.cassandraKeyspaceName;
  
  const dbKind = DbKindConstant.cassandraDbKind;
  
  const upQuery = `ALTER TABLE ${keySpace}.user_notification_visit_details DROP latest_seen_feed_time;`;
  
  const downQuery = `ALTER TABLE ${keySpace}.user_notification_visit_details \n\
    ADD latest_seen_feed_time timestamp;`;
  
  const removeColumnInUserNotificationVisitDetail = {
    up: [upQuery],
    down: [downQuery],
    dbKind: dbKind,
    keySpace: keySpace
  };
  
  module.exports = removeColumnInUserNotificationVisitDetail;
  