classes/table.js
/**
     * Returns true if query
     *
     * @param filters
     * @param callback
     */
Returns true if query
@param filters
@param callback
Returns true if query @param filters @param callback
exists(filters, callback) {
        if (_.isEmpty(filters)) return callback({error: `Empty request for ${this.name} entry existance check`, code: httpStatus.UNPROCESSABLE_ENTITY});
        this.count(filters)
          .then(count => count > 0);
    }
exists ( filters , callback ) { if ( _ . isEmpty ( filters ) ) return callback ( { error : ` ${ this . name } ` , code : httpStatus . UNPROCESSABLE_ENTITY } ) ; this . count ( filters ) . then ( count => count > 0 ) ; }
Returns true if query
 @param filters
 @param callback
Returns true if query @param filters @param callback