function separateColumns(info){
    info.columnsInfo = info.delimiter ? separateWithDelimiter(info) : separateWithSeparator(info);
    if(info.opts.columns && 'name' in info.opts.columns[0]) {
        if(info.opts.columns.length !== info.columnsInfo.length) {
            throw new Error(txtToSql.errString(info, 'errNumCols',[info.columnsInfo.length,info.opts.columns.length]));