Method with_projection

datafusion/catalog/src/table.rs:419–422

Set the column projection for the scan. The projection is a list of column indices from [`TableProvider::schema`] that should be included in the scan results. If `None`, all columns are included. # Arguments `projection` - Optional slice of column indices to project

(mut self, projection: Option<&'a [usize]>)

    /// # Arguments
    /// * `projection` - Optional slice of column indices to project
    pub fn with_projection(mut self, projection: Option<&'a [usize]>) -> Self {
        self.projection = projection;
        self
    }

    /// Get the column projection for the scan.
    ///