Macro dname

macro_rules! dname {
    ( $n:expr ) => { ... };
    ( $n:expr, $( $x:expr ),* ) => { ... };
    ( $n:expr; $a:expr ) => { ... };
    ( $n:expr, $( $x:expr ),*; $a:expr ) => { ... };
}

Make double quoted name of identifier.

Examples

#[macro_use] extern crate sql_builder;
use sql_builder::{SqlBuilder, SqlName};

let sql = SqlBuilder::select_from(dname!("public", "BOOKS"; "b"))
    .field(dname!("b", "title"))
    .field(dname!("s", "total"))
    .left()
    .join(dname!("shops"; "s"))
    .on_eq(dname!("b", "id"), dname!("s", "book"))
    .sql()?;

assert_eq!("SELECT \"b\".\"title\", \"s\".\"total\" FROM \"public\".\"BOOKS\" AS b LEFT JOIN \"shops\" AS s ON \"b\".\"id\" = \"s\".\"book\";", &sql);