text: const db = require('../../common').db;
  
  class WordOverwriteDao extends require('./ResourceDao') {
    constructor(sqlOpt) {
      super({
        type: db.RES_TYP_WORD_OVERWRITE
      }, sqlOpt);
      this._Model = require('../model/db/WordOverwrite');
    }
  
    clearListCache(pid) {
      const rdsKey = this._RDS[this._type] + pid;
      return this._cache.remove(rdsKey);
    }
  }
  
  WordOverwriteDao['__history'] = {
    // TODO
  };
  
  module.exports = WordOverwriteDao;
  