Function datafusion::optimizer::utils::find_join_exprs

pub fn find_join_exprs(
    exprs: Vec<&Expr, Global>
) -> Result<(Vec<Expr, Global>, Vec<Expr, Global>), DataFusionError>

Looks for correlating expressions: for example, a binary expression with one field from the subquery, and one not in the subquery (closed upon from outer scope)

Arguments

• exprs - List of expressions that may or may not be joins

Return value

Tuple of (expressions containing joins, remaining non-join expressions)