Struct IRBuilder

pub struct IRBuilder<'a> { /* private fields */ }

Implementations

impl<'a> IRBuilder<'a>

pub fn new( root: Node, expr_arena: &'a mut Arena<AExpr>, lp_arena: &'a mut Arena<IR>, ) -> Self

pub fn from_lp( lp: IR, expr_arena: &'a mut Arena<AExpr>, lp_arena: &'a mut Arena<IR>, ) -> Self

pub fn add_alp(self, lp: IR) -> Self

pub fn project(self, exprs: Vec<ExprIR>, options: ProjectionOptions) -> Self

pub fn project_simple_nodes<I, N>(self, nodes: I) -> PolarsResult<Self>

where I: IntoIterator<Item = N>, N: Into<Node>, I::IntoIter: ExactSizeIterator,

pub fn project_simple<I, S>(self, names: I) -> PolarsResult<Self>

where I: IntoIterator<Item = S>, I::IntoIter: ExactSizeIterator, S: Into<PlSmallStr>,

pub fn node(self) -> Node

pub fn build(self) -> IR

pub fn schema(&'a self) -> Cow<'a, SchemaRef>

pub fn with_columns( self, exprs: Vec<ExprIR>, options: ProjectionOptions, ) -> Self

pub fn with_columns_simple<I, J: Into<Node>>( self, exprs: I, options: ProjectionOptions, ) -> Self

where I: IntoIterator<Item = J>,

pub fn explode(self, columns: Arc<[PlSmallStr]>) -> Self

pub fn group_by( self, keys: Vec<ExprIR>, aggs: Vec<ExprIR>, apply: Option<Arc<dyn DataFrameUdf>>, maintain_order: bool, options: Arc<GroupbyOptions>, ) -> Self

pub fn join( self, other: Node, left_on: Vec<ExprIR>, right_on: Vec<ExprIR>, options: Arc<JoinOptions>, ) -> Self

pub fn unpivot(self, args: Arc<UnpivotArgsIR>) -> Self

Available on crate feature pivot only.

pub fn row_index(self, name: PlSmallStr, offset: Option<IdxSize>) -> Self