Struct QueryParams

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pub struct QueryParams {
    pub select: Vec<String>,
    pub order_by: Vec<(String, bool)>,
    pub skip: Option<usize>,
    pub top: Option<usize>,
    pub filter: Option<Expr>,
}

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§select: Vec<String>

Column names

§order_by: Vec<(String, bool)>

Tuples (column_name, ascending)

§skip: Option<usize>

Number of records to skip

§top: Option<usize>

Maximum number of records to return

§filter: Option<Expr>

Filter a collection of resources

Implementations§

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impl QueryParams

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pub fn apply( self, df: DataFrame, addr: &CollectionAddr, key_column: &str, key_column_alias: &str, default_rows: usize, max_rows: usize, ) -> Result<DataFrame>

Trait Implementations§

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impl Debug for QueryParams

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnsafeUnpin for QueryParams

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Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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