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Simplify integer and float functions trait bounds

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This commit is contained in:
Kerollmops
2021-04-07 11:57:16 +02:00
parent efbfa81fa7
commit 51767725b2
17 changed files with 217 additions and 521 deletions
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130
milli/src/update/facets.rs
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@ -7,12 +7,11 @@ use grenad::{CompressionType, Reader, Writer, FileFuse};
use heed::types::{ByteSlice, DecodeIgnore};
use heed::{BytesEncode, Error};
use log::debug;
use num_traits::{Bounded, Zero};
use roaring::RoaringBitmap;
use crate::facet::FacetType;
use crate::heed_codec::CboRoaringBitmapCodec;
use crate::heed_codec::facet::{FacetLevelValueI64Codec, FacetLevelValueF64Codec};
use crate::heed_codec::facet::FacetLevelValueF64Codec;
use crate::Index;
use crate::update::index_documents::WriteMethod;
use crate::update::index_documents::{create_writer, writer_into_reader, write_into_lmdb_database};
@ -65,58 +64,6 @@ impl<'t, 'u, 'i> Facets<'t, 'u, 'i> {
debug!("Computing and writing the facet values levels docids into LMDB on disk...");
for (field_id, facet_type) in faceted_fields {
let (content, documents_ids) = match facet_type {
FacetType::Integer => {
clear_field_levels::<i64, FacetLevelValueI64Codec>(
self.wtxn,
self.index.facet_field_id_value_docids,
field_id,
)?;
let documents_ids = compute_faceted_documents_ids(
self.wtxn,
self.index.facet_field_id_value_docids,
field_id,
)?;
let content = compute_facet_levels::<i64, FacetLevelValueI64Codec>(
self.wtxn,
self.index.facet_field_id_value_docids,
self.chunk_compression_type,
self.chunk_compression_level,
self.chunk_fusing_shrink_size,
self.level_group_size,
self.min_level_size,
field_id,
)?;
(Some(content), documents_ids)
},
FacetType::Float => {
clear_field_levels::<f64, FacetLevelValueF64Codec>(
self.wtxn,
self.index.facet_field_id_value_docids,
field_id,
)?;
let documents_ids = compute_faceted_documents_ids(
self.wtxn,
self.index.facet_field_id_value_docids,
field_id,
)?;
let content = compute_facet_levels::<f64, FacetLevelValueF64Codec>(
self.wtxn,
self.index.facet_field_id_value_docids,
self.chunk_compression_type,
self.chunk_compression_level,
self.chunk_fusing_shrink_size,
self.level_group_size,
self.min_level_size,
field_id,
)?;
(Some(content), documents_ids)
},
FacetType::String => {
let documents_ids = compute_faceted_documents_ids(
self.wtxn,
@ -126,6 +73,32 @@ impl<'t, 'u, 'i> Facets<'t, 'u, 'i> {
(None, documents_ids)
},
FacetType::Number => {
clear_field_number_levels(
self.wtxn,
self.index.facet_field_id_value_docids.remap_key_type::<FacetLevelValueF64Codec>(),
field_id,
)?;
let documents_ids = compute_faceted_documents_ids(
self.wtxn,
self.index.facet_field_id_value_docids,
field_id,
)?;
let content = compute_facet_number_levels(
self.wtxn,
self.index.facet_field_id_value_docids.remap_key_type::<FacetLevelValueF64Codec>(),
self.chunk_compression_type,
self.chunk_compression_level,
self.chunk_fusing_shrink_size,
self.level_group_size,
self.min_level_size,
field_id,
)?;
(Some(content), documents_ids)
},
};
if let Some(content) = content {
@ -145,25 +118,21 @@ impl<'t, 'u, 'i> Facets<'t, 'u, 'i> {
}
}
fn clear_field_levels<'t, T: 't, KC>(
fn clear_field_number_levels<'t, >(
wtxn: &'t mut heed::RwTxn,
db: heed::Database<ByteSlice, CboRoaringBitmapCodec>,
db: heed::Database<FacetLevelValueF64Codec, CboRoaringBitmapCodec>,
field_id: u8,
) -> heed::Result<()>
where
T: Copy + Bounded,
KC: heed::BytesDecode<'t, DItem = (u8, u8, T, T)>,
KC: for<'x> heed::BytesEncode<'x, EItem = (u8, u8, T, T)>,
{
let left = (field_id, 1, T::min_value(), T::min_value());
let right = (field_id, u8::MAX, T::max_value(), T::max_value());
let left = (field_id, 1, f64::MIN, f64::MIN);
let right = (field_id, u8::MAX, f64::MAX, f64::MAX);
let range = left..=right;
db.remap_key_type::<KC>().delete_range(wtxn, &range).map(drop)
db.delete_range(wtxn, &range).map(drop)
}
fn compute_facet_levels<'t, T: 't, KC>(
fn compute_facet_number_levels<'t>(
rtxn: &'t heed::RoTxn,
db: heed::Database<ByteSlice, CboRoaringBitmapCodec>,
db: heed::Database<FacetLevelValueF64Codec, CboRoaringBitmapCodec>,
compression_type: CompressionType,
compression_level: Option<u32>,
shrink_size: Option<u64>,
@ -171,12 +140,10 @@ fn compute_facet_levels<'t, T: 't, KC>(
min_level_size: NonZeroUsize,
field_id: u8,
) -> anyhow::Result<Reader<FileFuse>>
where
T: Copy + PartialEq + PartialOrd + Bounded + Zero,
KC: heed::BytesDecode<'t, DItem = (u8, u8, T, T)>,
KC: for<'x> heed::BytesEncode<'x, EItem = (u8, u8, T, T)>,
{
let first_level_size = db.prefix_iter(rtxn, &[field_id])?
let first_level_size = db
.remap_key_type::<ByteSlice>()
.prefix_iter(rtxn, &[field_id])?
.remap_types::<DecodeIgnore, DecodeIgnore>()
.fold(Ok(0usize), |count, result| result.and(count).map(|c| c + 1))?;
@ -187,8 +154,8 @@ where
})?;
let level_0_range = {
let left = (field_id, 0, T::min_value(), T::min_value());
let right = (field_id, 0, T::max_value(), T::max_value());
let left = (field_id, 0, f64::MIN, f64::MIN);
let right = (field_id, 0, f64::MAX, f64::MAX);
left..=right
};
@ -199,11 +166,10 @@ where
.take_while(|(_, s)| first_level_size / *s >= min_level_size.get());
for (level, group_size) in group_size_iter {
let mut left = T::zero();
let mut right = T::zero();
let mut left = 0.0;
let mut right = 0.0;
let mut group_docids = RoaringBitmap::new();
let db = db.remap_key_type::<KC>();
for (i, result) in db.range(rtxn, &level_0_range)?.enumerate() {
let ((_field_id, _level, value, _right), docids) = result?;
@ -212,7 +178,7 @@ where
} else if i % group_size == 0 {
// we found the first bound of the next group, we must store the left
// and right bounds associated with the docids.
write_entry::<T, KC>(&mut writer, field_id, level, left, right, &group_docids)?;
write_number_entry(&mut writer, field_id, level, left, right, &group_docids)?;
// We save the left bound for the new group and also reset the docids.
group_docids = RoaringBitmap::new();
@ -225,7 +191,7 @@ where
}
if !group_docids.is_empty() {
write_entry::<T, KC>(&mut writer, field_id, level, left, right, &group_docids)?;
write_number_entry(&mut writer, field_id, level, left, right, &group_docids)?;
}
}
@ -246,19 +212,17 @@ fn compute_faceted_documents_ids(
Ok(documents_ids)
}
fn write_entry<T, KC>(
fn write_number_entry(
writer: &mut Writer<File>,
field_id: u8,
level: u8,
left: T,
right: T,
left: f64,
right: f64,
ids: &RoaringBitmap,
) -> anyhow::Result<()>
where
KC: for<'x> heed::BytesEncode<'x, EItem = (u8, u8, T, T)>,
{
let key = (field_id, level, left, right);
let key = KC::bytes_encode(&key).ok_or(Error::Encoding)?;
let key = FacetLevelValueF64Codec::bytes_encode(&key).ok_or(Error::Encoding)?;
let data = CboRoaringBitmapCodec::bytes_encode(&ids).ok_or(Error::Encoding)?;
writer.insert(&key, &data)?;
Ok(())