fmt_sql

datafusion_physical_expr_common::physical_expr

Function fmt_sql 

Source 
pub fn fmt_sql(expr: &dyn PhysicalExpr) -> impl Display + '_
Expand description

Prints a PhysicalExpr in a SQL-like format

ยงExample

use std::collections::HashMap;
let expr: Arc<dyn PhysicalExpr> = make_physical_expr();
// wrap the expression in `sql_fmt` which can be used with
// `format!`, `to_string()`, etc
let expr_as_sql = fmt_sql(expr.as_ref());
assert_eq!(
  "The SQL: CASE a > b THEN 1 ELSE 0 END",
  format!("The SQL: {expr_as_sql}")
);