searchengines-web/MeiliSearch
searchengines-web/MeiliSearch
1
0
Fork 0
mirror of https://github.com/meilisearch/MeiliSearch synced 2024-11-05 04:28:55 +01:00
Code Issues Releases Wiki Activity

Fix the infos crate to support split facet databases

Browse Source
This commit is contained in:
Kerollmops 2021-05-04 12:05:43 +02:00
parent 3a4a150ef0
commit 28bd9e183e
No known key found for this signature in database
GPG Key ID: 92ADA4E935E71FA4
1 changed files with 121 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

201
infos/src/main.rs
View File

@ -5,6 +5,7 @@ use std::{str, io, fmt};
use anyhow::Context;
use byte_unit::Byte;
use heed::EnvOpenOptions;
use milli::facet::FacetType;
use milli::{Index, TreeLevel};
use structopt::StructOpt;
@ -22,8 +23,11 @@ const WORD_PAIR_PROXIMITY_DOCIDS_DB_NAME: &str = "word-pair-proximity-docids";
const WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME: &str = "word-prefix-pair-proximity-docids";
const WORD_LEVEL_POSITION_DOCIDS_DB_NAME: &str = "word-level-position-docids";
const WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME: &str = "word-prefix-level-position-docids";
const FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME: &str = "facet-field-id-value-docids";
const FIELD_ID_DOCID_FACET_VALUES_DB_NAME: &str = "field-id-docid-facet-values";
const FACET_ID_F64_DOCIDS_DB_NAME: &str = "facet-id-f64-docids";
const FACET_ID_STRING_DOCIDS_DB_NAME: &str = "facet-id-string-docids";
const FIELD_ID_DOCID_FACET_F64S_DB_NAME: &str = "field-id-docid-facet-f64s";
const FIELD_ID_DOCID_FACET_STRINGS_DB_NAME: &str = "field-id-docid-facet-strings";
const DOCUMENTS_DB_NAME: &str = "documents";
const ALL_DATABASE_NAMES: &[&str] = &[
@ -35,8 +39,10 @@ const ALL_DATABASE_NAMES: &[&str] = &[
WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME,
WORD_LEVEL_POSITION_DOCIDS_DB_NAME,
WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME,
FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME,
FIELD_ID_DOCID_FACET_VALUES_DB_NAME,
FACET_ID_F64_DOCIDS_DB_NAME,
FACET_ID_STRING_DOCIDS_DB_NAME,
FIELD_ID_DOCID_FACET_F64S_DB_NAME,
FIELD_ID_DOCID_FACET_STRINGS_DB_NAME,
DOCUMENTS_DB_NAME,
];
@ -108,8 +114,18 @@ enum Command {
prefixes: Vec<String>,
},
/// Outputs a CSV with the documents ids along with the facet values where it appears.
FacetValuesDocids {
/// Outputs a CSV with the documents ids along with the facet numbers where it appears.
FacetNumbersDocids {
/// Display the whole documents ids in details.
#[structopt(long)]
full_display: bool,
/// The field name in the document.
field_name: String,
},
/// Outputs a CSV with the documents ids along with the facet strings where it appears.
FacetStringsDocids {
/// Display the whole documents ids in details.
#[structopt(long)]
full_display: bool,
@ -149,8 +165,8 @@ enum Command {
internal_documents_ids: Vec<u32>,
},
/// Outputs some facets statistics for the given facet name.
FacetStats {
/// Outputs some facets numbers statistics for the given facet name.
FacetNumberStats {
/// The field name in the document.
field_name: String,
},
@ -243,8 +259,11 @@ fn main() -> anyhow::Result<()> {
WordsPrefixesDocids { full_display, prefixes } => {
words_prefixes_docids(&index, &rtxn, !full_display, prefixes)
},
FacetValuesDocids { full_display, field_name } => {
facet_values_docids(&index, &rtxn, !full_display, field_name)
FacetNumbersDocids { full_display, field_name } => {
facet_values_docids(&index, &rtxn, !full_display, FacetType::Number, field_name)
},
FacetStringsDocids { full_display, field_name } => {
facet_values_docids(&index, &rtxn, !full_display, FacetType::String, field_name)
},
WordsLevelPositionsDocids { full_display, words } => {
words_level_positions_docids(&index, &rtxn, !full_display, words)
@ -255,7 +274,7 @@ fn main() -> anyhow::Result<()> {
DocidsWordsPositions { full_display, internal_documents_ids } => {
docids_words_positions(&index, &rtxn, !full_display, internal_documents_ids)
},
FacetStats { field_name } => facet_stats(&index, &rtxn, field_name),
FacetNumberStats { field_name } => facet_number_stats(&index, &rtxn, field_name),
AverageNumberOfWordsByDoc => average_number_of_words_by_doc(&index, &rtxn),
AverageNumberOfPositionsByWord => {
average_number_of_positions_by_word(&index, &rtxn)
@ -297,36 +316,22 @@ fn most_common_words(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyhow:
}
/// Helper function that converts the facet value key to a unique type
/// that can be used to log or display purposes.
fn facet_values_iter<'txn, DC: 'txn, T>(
/// that can be used for log or display purposes.
fn facet_values_iter<'txn, KC: 'txn, DC: 'txn>(
rtxn: &'txn heed::RoTxn,
db: heed::Database<heed::types::ByteSlice, DC>,
db: heed::Database<KC, DC>,
field_id: u8,
facet_type: milli::facet::FacetType,
string_fn: impl Fn(&str) -> T + 'txn,
float_fn: impl Fn(u8, f64, f64) -> T + 'txn,
) -> heed::Result<Box<dyn Iterator<Item=heed::Result<(T, DC::DItem)>> + 'txn>>
) -> heed::Result<Box<dyn Iterator<Item=heed::Result<(KC::DItem, DC::DItem)>> + 'txn>>
where
KC: heed::BytesDecode<'txn>,
DC: heed::BytesDecode<'txn>,
{
use milli::facet::FacetType;
use milli::heed_codec::facet::{FacetValueStringCodec, FacetLevelValueF64Codec};
let iter = db
.remap_key_type::<heed::types::ByteSlice>()
.prefix_iter(&rtxn, &[field_id])?
.remap_key_type::<KC>();
let iter = db.prefix_iter(&rtxn, &[field_id])?;
match facet_type {
FacetType::String => {
let iter = iter.remap_key_type::<FacetValueStringCodec>()
.map(move |r| r.map(|((_, key), value)| (string_fn(key), value)));
Ok(Box::new(iter) as Box<dyn Iterator<Item=_>>)
},
FacetType::Number => {
let iter = iter.remap_key_type::<FacetLevelValueF64Codec>()
.map(move |r| r.map(|((_, level, left, right), value)| {
(float_fn(level, left, right), value)
}));
Ok(Box::new(iter))
},
}
}
fn facet_number_value_to_string<T: fmt::Debug>(level: u8, left: T, right: T) -> (u8, String) {
@ -352,9 +357,11 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
word_prefix_pair_proximity_docids,
word_level_position_docids,
word_prefix_level_position_docids,
facet_field_id_value_docids,
field_id_docid_facet_values: _,
documents
facet_id_f64_docids,
facet_id_string_docids,
field_id_docid_facet_f64s: _,
field_id_docid_facet_strings: _,
documents,
} = index;
let main_name = "main";
@ -365,7 +372,8 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
let word_pair_proximity_docids_name = "word_pair_proximity_docids";
let word_level_position_docids_name = "word_level_position_docids";
let word_prefix_level_position_docids_name = "word_prefix_level_position_docids";
let facet_field_id_value_docids_name = "facet_field_id_value_docids";
let facet_id_f64_docids_name = "facet_id_f64_docids";
let facet_id_string_docids_name = "facet_id_string_docids";
let documents_name = "documents";
let mut heap = BinaryHeap::with_capacity(limit + 1);
@ -437,27 +445,27 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
let faceted_fields = index.faceted_fields_ids(rtxn)?;
let fields_ids_map = index.fields_ids_map(rtxn)?;
for (field_id, field_type) in faceted_fields {
let facet_name = fields_ids_map.name(field_id).unwrap();
let db = facet_field_id_value_docids.remap_data_type::<ByteSlice>();
let iter = facet_values_iter(
rtxn,
db,
field_id,
field_type,
|key| key.to_owned(),
|level, left, right| {
for facet_id in faceted_fields {
let facet_name = fields_ids_map.name(facet_id).unwrap();
// List the facet numbers of this facet id.
let db = facet_id_f64_docids.remap_data_type::<ByteSlice>();
for result in facet_values_iter(rtxn, db, facet_id)? {
let ((_fid, level, left, right), value) = result?;
let mut output = facet_number_value_to_string(level, left, right).1;
let _ = write!(&mut output, " (level {})", level);
output
},
)?;
write!(&mut output, " (level {})", level)?;
let key = format!("{} {}", facet_name, output);
heap.push(Reverse((value.len(), key, facet_id_f64_docids_name)));
if heap.len() > limit { heap.pop(); }
}
for result in iter {
let (fvalue, value) = result?;
// List the facet strings of this facet id.
let db = facet_id_string_docids.remap_data_type::<ByteSlice>();
for result in facet_values_iter(rtxn, db, facet_id)? {
let ((_fid, fvalue), value) = result?;
let key = format!("{} {}", facet_name, fvalue);
heap.push(Reverse((value.len(), key, facet_field_id_value_docids_name)));
heap.push(Reverse((value.len(), key, facet_id_string_docids_name)));
if heap.len() > limit { heap.pop(); }
}
}
@ -536,31 +544,33 @@ fn words_prefixes_docids(
Ok(wtr.flush()?)
}
fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_name: String) -> anyhow::Result<()> {
fn facet_values_docids(
index: &Index,
rtxn: &heed::RoTxn,
debug: bool,
facet_type: FacetType,
field_name: String,
) -> anyhow::Result<()>
{
let fields_ids_map = index.fields_ids_map(&rtxn)?;
let faceted_fields = index.faceted_fields_ids(&rtxn)?;
let field_id = fields_ids_map.id(&field_name)
.with_context(|| format!("field {} not found", field_name))?;
let field_type = faceted_fields.get(&field_id)
.with_context(|| format!("field {} is not faceted", field_name))?;
if !faceted_fields.contains(&field_id) {
anyhow::bail!("field {} is not faceted", field_name);
}
let stdout = io::stdout();
let mut wtr = csv::Writer::from_writer(stdout.lock());
wtr.write_record(&["facet_value", "facet_level", "documents_count", "documents_ids"])?;
let db = index.facet_field_id_value_docids;
let iter = facet_values_iter(
rtxn,
db,
field_id,
*field_type,
|key| (0, key.to_owned()),
facet_number_value_to_string,
)?;
for result in iter {
let ((level, value), docids) = result?;
match facet_type {
FacetType::Number => {
wtr.write_record(&["facet_number", "facet_level", "documents_count", "documents_ids"])?;
for result in facet_values_iter(rtxn, index.facet_id_f64_docids, field_id)? {
let ((_fid, level, left, right), docids) = result?;
let value = facet_number_value_to_string(level, left, right).1;
let count = docids.len();
let docids = if debug {
format!("{:?}", docids)
@ -569,6 +579,21 @@ fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_nam
};
wtr.write_record(&[value, level.to_string(), count.to_string(), docids])?;
}
},
FacetType::String => {
wtr.write_record(&["facet_string", "documents_count", "documents_ids"])?;
for result in facet_values_iter(rtxn, index.facet_id_string_docids, field_id)? {
let ((_fid, value), docids) = result?;
let count = docids.len();
let docids = if debug {
format!("{:?}", docids)
} else {
format!("{:?}", docids.iter().collect::<Vec<_>>())
};
wtr.write_record(&[value.to_string(), count.to_string(), docids])?;
}
}
}
Ok(wtr.flush()?)
}
@ -684,31 +709,24 @@ fn docids_words_positions(
Ok(wtr.flush()?)
}
fn facet_stats(index: &Index, rtxn: &heed::RoTxn, field_name: String) -> anyhow::Result<()> {
fn facet_number_stats(index: &Index, rtxn: &heed::RoTxn, field_name: String) -> anyhow::Result<()> {
let fields_ids_map = index.fields_ids_map(&rtxn)?;
let faceted_fields = index.faceted_fields_ids(&rtxn)?;
let field_id = fields_ids_map.id(&field_name)
.with_context(|| format!("field {} not found", field_name))?;
let field_type = faceted_fields.get(&field_id)
.with_context(|| format!("field {} is not faceted", field_name))?;
let db = index.facet_field_id_value_docids;
let iter = facet_values_iter(
rtxn,
db,
field_id,
*field_type,
|_key| 0u8,
|level, _left, _right| level,
)?;
if !faceted_fields.contains(&field_id) {
anyhow::bail!("field {} is not faceted", field_name);
}
let iter = facet_values_iter(rtxn, index.facet_id_f64_docids, field_id)?;
println!("The database {:?} facet stats", field_name);
let mut level_size = 0;
let mut current_level = None;
for result in iter {
let (level, _) = result?;
let ((_fid, level, _left, _right), _) = result?;
if let Some(current) = current_level {
if current != level {
println!("\tnumber of groups at level {}: {}", current, level_size);
@ -843,7 +861,7 @@ fn size_of_databases(index: &Index, rtxn: &heed::RoTxn, names: Vec<String>) -> a
use heed::types::ByteSlice;
let Index {
env: _,
env: _env,
main,
word_docids,
word_prefix_docids,
@ -852,8 +870,10 @@ fn size_of_databases(index: &Index, rtxn: &heed::RoTxn, names: Vec<String>) -> a
word_prefix_pair_proximity_docids,
word_level_position_docids,
word_prefix_level_position_docids,
facet_field_id_value_docids,
field_id_docid_facet_values,
facet_id_f64_docids,
facet_id_string_docids,
field_id_docid_facet_f64s,
field_id_docid_facet_strings,
documents,
} = index;
@ -873,8 +893,11 @@ fn size_of_databases(index: &Index, rtxn: &heed::RoTxn, names: Vec<String>) -> a
WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME => word_prefix_pair_proximity_docids.as_polymorph(),
WORD_LEVEL_POSITION_DOCIDS_DB_NAME => word_level_position_docids.as_polymorph(),
WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME => word_prefix_level_position_docids.as_polymorph(),
FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME => facet_field_id_value_docids.as_polymorph(),
FIELD_ID_DOCID_FACET_VALUES_DB_NAME => field_id_docid_facet_values.as_polymorph(),
FACET_ID_F64_DOCIDS_DB_NAME => facet_id_f64_docids.as_polymorph(),
FACET_ID_STRING_DOCIDS_DB_NAME => facet_id_string_docids.as_polymorph(),
FIELD_ID_DOCID_FACET_F64S_DB_NAME => field_id_docid_facet_f64s.as_polymorph(),
FIELD_ID_DOCID_FACET_STRINGS_DB_NAME => field_id_docid_facet_strings.as_polymorph(),
DOCUMENTS_DB_NAME => documents.as_polymorph(),
unknown => anyhow::bail!("unknown database {:?}", unknown),
};