drizzle_mysql/
result.rs

1//! Driver-independent results for MySQL mutation statements.
2
3/// The normalized result of executing a MySQL `INSERT`, `UPDATE`, or
4/// `DELETE` statement.
5///
6/// Concrete adapters translate their client's OK packet into this value so
7/// application code never depends on `mysql` or `mysql_async` result types.
8#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
9pub struct MySQLMutationResult {
10    affected_rows: u64,
11    last_insert_id: Option<u64>,
12}
13
14impl MySQLMutationResult {
15    /// Creates a normalized mutation result.
16    #[must_use]
17    pub const fn new(affected_rows: u64, last_insert_id: Option<u64>) -> Self {
18        Self {
19            affected_rows,
20            last_insert_id,
21        }
22    }
23
24    /// Number of rows affected according to MySQL's OK packet.
25    #[must_use]
26    pub const fn affected_rows(self) -> u64 {
27        self.affected_rows
28    }
29
30    /// First generated `AUTO_INCREMENT` value, when the server reported one.
31    ///
32    /// This is execution metadata, not SQL `RETURNING`. It does not imply
33    /// that every inserted row received a contiguous generated identifier.
34    #[must_use]
35    pub const fn last_insert_id(self) -> Option<u64> {
36        self.last_insert_id
37    }
38}
drizzle_mysql/result.rs

drizzle_mysql/
result.rs
