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Prepare refactor of facets database

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Prepare refactor of facets database
This commit is contained in:
Loïc Lecrenier
2022-08-29 16:01:54 +02:00
committed by Loïc Lecrenier
parent 004c09a8e2
commit c3f49f766d
27 changed files with 1662 additions and 1624 deletions
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52
milli/src/update/index_documents/helpers/merge_functions.rs
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@ -5,7 +5,7 @@ use std::result::Result as StdResult;
use roaring::RoaringBitmap;
use super::read_u32_ne_bytes;
use crate::heed_codec::facet::{decode_prefix_string, encode_prefix_string};
// use crate::heed_codec::facet::{decode_prefix_string, encode_prefix_string};
use crate::heed_codec::CboRoaringBitmapCodec;
use crate::Result;
@ -49,32 +49,32 @@ pub fn merge_roaring_bitmaps<'a>(_key: &[u8], values: &[Cow<'a, [u8]>]) -> Resul
}
}
pub fn keep_first_prefix_value_merge_roaring_bitmaps<'a>(
_key: &[u8],
values: &[Cow<'a, [u8]>],
) -> Result<Cow<'a, [u8]>> {
if values.len() == 1 {
Ok(values[0].clone())
} else {
let original = decode_prefix_string(&values[0]).unwrap().0;
let merged_bitmaps = values
.iter()
.map(AsRef::as_ref)
.map(decode_prefix_string)
.map(Option::unwrap)
.map(|(_, bitmap_bytes)| bitmap_bytes)
.map(RoaringBitmap::deserialize_from)
.map(StdResult::unwrap)
.reduce(|a, b| a | b)
.unwrap();
// pub fn keep_first_prefix_value_merge_roaring_bitmaps<'a>(
// _key: &[u8],
// values: &[Cow<'a, [u8]>],
// ) -> Result<Cow<'a, [u8]>> {
// if values.len() == 1 {
// Ok(values[0].clone())
// } else {
// let original = decode_prefix_string(&values[0]).unwrap().0;
// let merged_bitmaps = values
// .iter()
// .map(AsRef::as_ref)
// .map(decode_prefix_string)
// .map(Option::unwrap)
// .map(|(_, bitmap_bytes)| bitmap_bytes)
// .map(RoaringBitmap::deserialize_from)
// .map(StdResult::unwrap)
// .reduce(|a, b| a | b)
// .unwrap();
let cap = std::mem::size_of::<u16>() + original.len() + merged_bitmaps.serialized_size();
let mut buffer = Vec::with_capacity(cap);
encode_prefix_string(original, &mut buffer)?;
merged_bitmaps.serialize_into(&mut buffer)?;
Ok(Cow::Owned(buffer))
}
}
// let cap = std::mem::size_of::<u16>() + original.len() + merged_bitmaps.serialized_size();
// let mut buffer = Vec::with_capacity(cap);
// encode_prefix_string(original, &mut buffer)?;
// merged_bitmaps.serialize_into(&mut buffer)?;
// Ok(Cow::Owned(buffer))
// }
// }
pub fn keep_first<'a>(_key: &[u8], values: &[Cow<'a, [u8]>]) -> Result<Cow<'a, [u8]>> {
Ok(values[0].clone())