Method fold_sql_relation

prqlc/prqlc/src/sql/pq/ast.rs:218–225

(&mut self, relation: SqlRelation)

    }

    fn fold_sql_relation(&mut self, relation: SqlRelation) -> Result<SqlRelation> {
        Ok(match relation {
            SqlRelation::AtomicPipeline(pipeline) => {
                SqlRelation::AtomicPipeline(self.fold_sql_transforms(pipeline)?)
            }
            _ => relation,
        })
    }

    fn fold_cte(&mut self, cte: Cte) -> Result<Cte> {
        Ok(Cte {