Function first_value_agg_expr

datafusion/physical-plan/src/aggregates/mod.rs:3076–3100

(
        schema: &SchemaRef,
        column: &str,
        alias: &str,
        human_display: Option<&str>,
        human_display_alias: Option<&str>,
    )

    }

    fn first_value_agg_expr(
        schema: &SchemaRef,
        column: &str,
        alias: &str,
        human_display: Option<&str>,
        human_display_alias: Option<&str>,
    ) -> Result<AggregateFunctionExpr> {
        let mut builder =
            AggregateExprBuilder::new(first_value_udaf(), vec![col(column, schema)?])
                .order_by(vec![PhysicalSortExpr {
                    expr: col(column, schema)?,
                    options: SortOptions::new(false, false),
                }])
                .schema(Arc::clone(schema))
                .alias(alias);

        if let Some(human_display) = human_display {
            builder = builder.human_display(human_display);
        }
        if let Some(human_display_alias) = human_display_alias {
            builder = builder.human_display_alias(human_display_alias);
        }

        builder.build()
    }

    #[test]
    fn test_reverse_expr_preserves_aliased_human_display() -> Result<()> {