Function binary_op

datafusion/physical-expr/src/expressions/binary.rs:1011–1025

Performs a binary operation, applying any type coercion necessary

(
        left: Arc<dyn PhysicalExpr>,
        op: Operator,
        right: Arc<dyn PhysicalExpr>,
        schema: &Schema,
    )

    use datafusion_expr::col as logical_col;
    /// Performs a binary operation, applying any type coercion necessary
    fn binary_op(
        left: Arc<dyn PhysicalExpr>,
        op: Operator,
        right: Arc<dyn PhysicalExpr>,
        schema: &Schema,
    ) -> Result<Arc<dyn PhysicalExpr>> {
        let left_type = left.data_type(schema)?;
        let right_type = right.data_type(schema)?;
        let (lhs, rhs) =
            BinaryTypeCoercer::new(&left_type, &op, &right_type).get_input_types()?;

        let left_expr = try_cast(left, schema, lhs)?;
        let right_expr = try_cast(right, schema, rhs)?;
        binary(left_expr, op, right_expr, schema)
    }

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