Function plan_homogenizing_function

src/sql/src/plan/query.rs:4276–4295

(
    ecx: &ExprContext,
    function: &HomogenizingFunction,
    exprs: &[Expr<Aug>],
)

}

fn plan_homogenizing_function(
    ecx: &ExprContext,
    function: &HomogenizingFunction,
    exprs: &[Expr<Aug>],
) -> Result<CoercibleScalarExpr, PlanError> {
    assert!(!exprs.is_empty()); // `COALESCE()` is a syntax error
    let expr = HirScalarExpr::call_variadic(
        match function {
            HomogenizingFunction::Coalesce => VariadicFunc::from(Coalesce),
            HomogenizingFunction::Greatest => VariadicFunc::from(Greatest),
            HomogenizingFunction::Least => VariadicFunc::from(Least),
        },
        coerce_homogeneous_exprs(
            &ecx.with_name(&function.to_string().to_lowercase()),
            plan_exprs(ecx, exprs)?,
            None,
        )?,
    );
    Ok(expr.into())
}

fn plan_field_access(
    ecx: &ExprContext,