Method describe_query_to_plan

datafusion/sql/src/statement.rs:1653–1664

(&self, query: Query)

    }

    fn describe_query_to_plan(&self, query: Query) -> Result<LogicalPlan> {
        let plan = self.query_to_plan(query, &mut PlannerContext::new())?;

        let schema = Arc::new(plan.schema().as_arrow().clone());

        let output_schema = DFSchema::try_from(LogicalPlan::describe_schema()).unwrap();

        Ok(LogicalPlan::DescribeTable(DescribeTable {
            schema,
            output_schema: Arc::new(output_schema),
        }))
    }

    fn copy_to_plan(&self, statement: CopyToStatement) -> Result<LogicalPlan> {
        // Determine if source is table or query and handle accordingly