Struct ScanRatings

pub struct ScanRatings {
    swap_columns: bool,
    ratings_out: PathBuf,
    infile: PathBuf,
}

Scan an Amazon rating CSV file into Parquet.

Fields

swap_columns: bool

Swap user and item columns (for AZ 2018 data)

ratings_out: PathBuf

Rating output file

infile: PathBuf

Input file

Trait Implementations

impl Args for ScanRatings

fn group_id() -> Option<Id>

Report the ArgGroup::id for this set of arguments

fn augment_args<'b>(__clap_app: Command) -> Command

Append to Command so it can instantiate Self.

fn augment_args_for_update<'b>(__clap_app: Command) -> Command

Append to Command so it can update self.

impl Command for ScanRatings

fn exec(&self) -> Result<()>

Run the command with options

impl Debug for ScanRatings

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<ScanRatings> for AmazonCommand

fn from(v: ScanRatings) -> AmazonCommand

Converts to this type from the input type.

impl FromArgMatches for ScanRatings

fn from_arg_matches(__clap_arg_matches: &ArgMatches) -> Result<Self, Error>

Instantiate Self from ArgMatches, parsing the arguments as needed.

fn from_arg_matches_mut( __clap_arg_matches: &mut ArgMatches, ) -> Result<Self, Error>

Instantiate Self from ArgMatches, parsing the arguments as needed.

fn update_from_arg_matches( &mut self, __clap_arg_matches: &ArgMatches, ) -> Result<(), Error>

Assign values from ArgMatches to self.

fn update_from_arg_matches_mut( &mut self, __clap_arg_matches: &mut ArgMatches, ) -> Result<(), Error>

Assign values from ArgMatches to self.

impl TryInto<ScanRatings> for AmazonCommand

type Error = &'static str

The type returned in the event of a conversion error.

fn try_into(self) -> Result<ScanRatings, <Self as TryInto<ScanRatings>>::Error>

Performs the conversion.