Function plan_to_sql

datafusion/sql/src/unparser/plan.rs:98–101

Convert a DataFusion [`LogicalPlan`] to [`ast::Statement`] This function is the opposite of [`SqlToRel::sql_statement_to_plan`] and can be used to, among other things, to convert `LogicalPlan`s to SQL strings. # Errors This function returns an error if the plan cannot be converted to SQL. # See Also [`expr_to_sql`] for converting [`Expr`], a single expression to SQL # Example ``` use arrow::

(plan: &LogicalPlan)

/// [`SqlToRel::sql_statement_to_plan`]: crate::planner::SqlToRel::sql_statement_to_plan
/// [`expr_to_sql`]: crate::unparser::expr_to_sql
pub fn plan_to_sql(plan: &LogicalPlan) -> Result<ast::Statement> {
    let unparser = Unparser::default();
    unparser.plan_to_sql(plan)
}

impl Unparser<'_> {
    pub fn plan_to_sql(&self, plan: &LogicalPlan) -> Result<ast::Statement> {