sqlite_rs/header/
user_version.rs

1use crate::traits::ParseBytes;
2use crate::{impl_name, result::SqliteResult};
3use core::ops::Deref;
4
5/// # User version number (4 Bytes)
6///
7///  The 4-byte big-endian integer at offset 60 is the user version which is set
8/// and queried by the user_version pragma. The user version is not used by
9/// Sqlite.
10#[derive(Debug, Default)]
11pub struct UserVersion(u32);
12impl Deref for UserVersion {
13  type Target = u32;
14
15  fn deref(&self) -> &Self::Target {
16    &self.0
17  }
18}
19impl_name! {UserVersion}
20impl ParseBytes for UserVersion {
21  const LENGTH_BYTES: usize = 4;
22
23  fn parsing_handler(bytes: &[u8]) -> SqliteResult<Self> {
24    let buf: [u8; Self::LENGTH_BYTES] = bytes.try_into()?;
25
26    let value = u32::from_be_bytes(buf);
27
28    Ok(Self(value))
29  }
30}