Method limit_by_expr

datafusion/expr/src/logical_plan/builder.rs:669–675

Limit the number of rows returned Similar to `limit` but uses expressions for `skip` and `fetch`

(self, skip: Option<Expr>, fetch: Option<Expr>)

    ///
    /// Similar to `limit` but uses expressions for `skip` and `fetch`
    pub fn limit_by_expr(self, skip: Option<Expr>, fetch: Option<Expr>) -> Result<Self> {
        Ok(Self::new(LogicalPlan::Limit(Limit {
            skip: skip.map(Box::new),
            fetch: fetch.map(Box::new),
            input: self.plan,
        })))
    }

    /// Apply an alias
    pub fn alias(self, alias: impl Into<TableReference>) -> Result<Self> {