Method schema

datafusion/expr/src/logical_plan/builder.rs:155–157

Return the output schema of the plan build so far

(&self)

    /// Return the output schema of the plan build so far
    pub fn schema(&self) -> &DFSchemaRef {
        self.plan.schema()
    }

    /// Return the LogicalPlan of the plan build so far
    pub fn plan(&self) -> &LogicalPlan {