sqlmo/
util.rs

1use crate::{Dialect, ToSql};
2
3pub(crate) trait SqlExtension {
4    fn push_quoted<T: AsRef<str>>(&mut self, s: T);
5    fn push_table_name(&mut self, schema: &Option<String>, table: &str);
6    fn push_sql<T: ToSql>(&mut self, sql: &T, dialect: Dialect);
7    fn push_sql_sequence<T: ToSql>(&mut self, sql: &[T], separator: &str, dialect: Dialect);
8    fn push_quoted_sequence(&mut self, sql: &[String], separator: &str);
9}
10
11impl SqlExtension for String {
12    fn push_quoted<T: AsRef<str>>(&mut self, s: T) {
13        if s.as_ref().contains('"') {
14            panic!("Cannot quote string with double quotes");
15        }
16        self.push('"');
17        self.push_str(s.as_ref());
18        self.push('"');
19    }
20
21    fn push_table_name(&mut self, schema: &Option<String>, table: &str) {
22        if let Some(schema) = schema {
23            self.push_quoted(schema);
24            self.push('.');
25        }
26        self.push_quoted(table);
27    }
28
29    fn push_sql<T: ToSql>(&mut self, sql: &T, dialect: Dialect) {
30        sql.write_sql(self, dialect);
31    }
32
33    fn push_sql_sequence<T: ToSql>(&mut self, sql: &[T], separator: &str, dialect: Dialect) {
34        let mut first = true;
35        for s in sql.into_iter() {
36            if !first {
37                self.push_str(separator);
38            }
39            s.write_sql(self, dialect);
40            first = false;
41        }
42    }
43
44    fn push_quoted_sequence(&mut self, sql: &[String], separator: &str) {
45        let mut first = true;
46        for s in sql {
47            if !first {
48                self.push_str(separator);
49            }
50            self.push_quoted(s);
51            first = false;
52        }
53    }
54}
55
56pub fn pkey_column_names(schema: &str) -> Vec<String> {
57    vec![
58        format!("{}_id", schema),
59        format!("{}_uuid", schema),
60        "id".to_string(),
61        "uuid".to_string(),
62    ]
63}
sqlmo/util.rs

sqlmo/
util.rs
