cassandra_protocol/query/
prepare_flags.rs

1use bitflags::bitflags;
2use std::io::{Cursor, Read};
3
4use crate::error::Result;
5use crate::frame::{FromCursor, Serialize, Version};
6use crate::types::INT_LEN;
7
8bitflags! {
9    pub struct PrepareFlags: u32 {
10        /// The prepare request contains explicit keyspace.
11        const WITH_KEYSPACE = 0x01;
12    }
13}
14
15impl Default for PrepareFlags {
16    #[inline]
17    fn default() -> Self {
18        PrepareFlags::empty()
19    }
20}
21
22impl Serialize for PrepareFlags {
23    #[inline]
24    fn serialize(&self, cursor: &mut Cursor<&mut Vec<u8>>, version: Version) {
25        self.bits().serialize(cursor, version);
26    }
27}
28
29impl FromCursor for PrepareFlags {
30    fn from_cursor(cursor: &mut Cursor<&[u8]>, _version: Version) -> Result<Self> {
31        let mut buff = [0; INT_LEN];
32        cursor
33            .read_exact(&mut buff)
34            .map(|()| PrepareFlags::from_bits_truncate(u32::from_be_bytes(buff)))
35            .map_err(|error| error.into())
36    }
37}