Function table_limit

datafusion/optimizer/src/optimize_projections/mod.rs:2106–2126

()

    #[test]
    fn table_limit() -> Result<()> {
        let table_scan = test_table_scan()?;
        assert_eq!(3, table_scan.schema().fields().len());
        assert_fields_eq(&table_scan, vec!["a", "b", "c"]);

        let plan = LogicalPlanBuilder::from(table_scan)
            .project(vec![col("c"), col("a")])?
            .limit(0, Some(5))?
            .build()?;

        assert_fields_eq(&plan, vec!["c", "a"]);

        assert_optimized_plan_equal!(
            plan,
            @r"
        Limit: skip=0, fetch=5
          Projection: test.c, test.a
            TableScan: test projection=[a, c]
        "
        )
    }

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