Function custom_dialect_division_operator

datafusion/sql/src/unparser/expr.rs:3064–3087

()

    #[test]
    fn custom_dialect_division_operator() -> Result<()> {
        let default_dialect = CustomDialectBuilder::new().build();
        let duckdb_dialect = CustomDialectBuilder::new()
            .with_division_operator(BinaryOperator::DuckIntegerDivide)
            .build();

        for (dialect, expected) in
            [(default_dialect, "(a / b)"), (duckdb_dialect, "(a // b)")]
        {
            let unparser = Unparser::new(&dialect);
            let expr = Expr::BinaryExpr(BinaryExpr {
                left: Box::new(col("a")),
                op: Operator::Divide,
                right: Box::new(col("b")),
            });
            let ast = unparser.expr_to_sql(&expr)?;

            let actual = format!("{ast}");
            let expected = expected.to_string();

            assert_eq!(actual, expected);
        }
        Ok(())
    }

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