Function from_qi 

pub fn from_qi(qi: &QualifiedIdentifier) -> String

Convert a qualified identifier to a safe SQL string.

Examples

use postrust_sql::{from_qi, identifier::QualifiedIdentifier};

let qi = QualifiedIdentifier::new("public", "users");
assert_eq!(from_qi(&qi), "\"public\".\"users\"");

let qi = QualifiedIdentifier::unqualified("users");
assert_eq!(from_qi(&qi), "\"users\"");