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Code Issues Releases Wiki Activity

Invert the word docid positions key order

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This commit is contained in:
Clément Renault 2020-09-06 10:30:53 +02:00
parent c2405bcae2
commit daa3673c1c
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GPG key ID: 92ADA4E935E71FA4
5 changed files with 24 additions and 26 deletions
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27
src/heed_codec/str_beu32_codec.rs
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@ -1,27 +0,0 @@
use std::borrow::Cow;
use std::convert::TryInto;
use std::str;
pub struct StrBEU32Codec;
impl<'a> heed::BytesDecode<'a> for StrBEU32Codec {
type DItem = (&'a str, u32);
fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
let (str_bytes, n_bytes) = bytes.split_at(bytes.len() - 4);
let s = str::from_utf8(str_bytes).ok()?;
let n = n_bytes.try_into().map(u32::from_be_bytes).ok()?;
Some((s, n))
}
}
impl<'a> heed::BytesEncode<'a> for StrBEU32Codec {
type EItem = (&'a str, u32);
fn bytes_encode((s, n): &Self::EItem) -> Option<Cow<[u8]>> {
let mut bytes = Vec::with_capacity(s.len() + 4);
bytes.extend_from_slice(s.as_bytes());
bytes.extend_from_slice(&n.to_be_bytes());
Some(Cow::Owned(bytes))
}
}