Function to_substrait_groupings
pub fn to_substrait_groupings(
producer: &mut impl SubstraitProducer,
exprs: &[Expr],
schema: &Arc<DFSchema>,
) -> Result<(Vec<Expression>, Vec<Grouping>), DataFusionError>
pub fn to_substrait_groupings(
producer: &mut impl SubstraitProducer,
exprs: &[Expr],
schema: &Arc<DFSchema>,
) -> Result<(Vec<Expression>, Vec<Grouping>), DataFusionError>