Enum datafusion_expr::expr::GroupingSet

pub enum GroupingSet {
    Rollup(Vec<Expr>),
    Cube(Vec<Expr>),
    GroupingSets(Vec<Vec<Expr>>),
}

Grouping sets See https://www.postgresql.org/docs/current/queries-table-expressions.html#QUERIES-GROUPING-SETS for Postgres definition. See https://spark.apache.org/docs/latest/sql-ref-syntax-qry-select-groupby.html for Apache Spark definition.

Variants

Rollup(Vec<Expr>)

Rollup grouping sets

Cube(Vec<Expr>)

Cube grouping sets

GroupingSets(Vec<Vec<Expr>>)

User-defined grouping sets

Trait Implementations

impl Clone for GroupingSet

fn clone(&self) -> GroupingSet

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Hash for GroupingSet

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<GroupingSet> for GroupingSet

fn eq(&self, other: &GroupingSet) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &GroupingSet) -> bool

This method tests for !=.

impl StructuralPartialEq for GroupingSet