Struct bookdata::goodreads::genres::BookGenreRecord

pub struct BookGenreRecord {
    pub book_id: i32,
    pub genre_id: i32,
    pub count: i32,
}

Rows in the processed book-genre Parquet table.

Fields

book_id: i32

genre_id: i32

count: i32

Trait Implementations

impl FrameBuilder<BookGenreRecord> for BookGenreRecordFrameBuilder

fn with_capacity(cap: usize) -> Self

Instantiate a frame builder with a specified capacity.

fn append_row(&mut self, row: BookGenreRecord)

Add a row to the frame builder.

fn build(self) -> PolarsResult<DataFrame>

Finish the builder and create a data frame.

fn extend<I>(&mut self, iter: I)

where I: IntoIterator<Item = R>,

Add an iterable of items to the frame.

impl<'a> FrameStruct<'a, BookGenreRecord> for BookGenreRecordFrame<'a>

fn new(df: &'a DataFrame) -> PolarsResult<Self>

fn read_row(&mut self, idx: usize) -> Result<BookGenreRecord, RowError>

impl TableRow for BookGenreRecord

type Frame<'a> = BookGenreRecordFrame<'a>

The frame struct for this row type.

type Builder = BookGenreRecordFrameBuilder

The frame builder type for this row type.

fn schema() -> Schema

Get the schema for this table row.