mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-04 20:18:55 +01:00
Remove the useless stats binary
This commit is contained in:
parent
ae77fe5a69
commit
edc06a97d6
@ -1,64 +0,0 @@
|
||||
use std::io;
|
||||
use std::str::FromStr;
|
||||
|
||||
use anyhow::Context;
|
||||
use cow_utils::CowUtils;
|
||||
use roaring::RoaringBitmap;
|
||||
use slice_group_by::StrGroupBy;
|
||||
|
||||
use milli::{FastMap4, DocumentId, SmallString32};
|
||||
|
||||
const MAX_POSITION: usize = 1000;
|
||||
const MAX_ATTRIBUTES: usize = u32::max_value() as usize / MAX_POSITION;
|
||||
|
||||
fn simple_alphanumeric_tokens(string: &str) -> impl Iterator<Item = &str> {
|
||||
let is_alphanumeric = |s: &&str| s.chars().next().map_or(false, char::is_alphanumeric);
|
||||
string.linear_group_by_key(|c| c.is_alphanumeric()).filter(is_alphanumeric)
|
||||
}
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
let mut rdr = csv::Reader::from_reader(io::stdin());
|
||||
|
||||
let mut document = csv::StringRecord::new();
|
||||
let mut postings_positions = FastMap4::default();
|
||||
|
||||
let headers = rdr.headers()?;
|
||||
let mut writer = csv::WriterBuilder::new().has_headers(false).from_writer(Vec::new());
|
||||
writer.write_byte_record(headers.as_byte_record())?;
|
||||
let id_pos = headers.iter().position(|h| h == "id").context("missing 'id' header")?;
|
||||
|
||||
while rdr.read_record(&mut document)? {
|
||||
let document_id = document.get(id_pos).unwrap();
|
||||
let document_id = DocumentId::from_str(document_id).context("invalid document id")?;
|
||||
|
||||
for (attr, content) in document.iter().enumerate().take(MAX_ATTRIBUTES) {
|
||||
if attr == id_pos { continue }
|
||||
|
||||
for (pos, word) in simple_alphanumeric_tokens(&content).enumerate().take(MAX_POSITION) {
|
||||
if !word.is_empty() && word.len() < 500 { // LMDB limits
|
||||
let word = word.cow_to_lowercase();
|
||||
let position = (attr * 1000 + pos) as u32;
|
||||
|
||||
postings_positions.entry(SmallString32::from(word.as_ref()))
|
||||
.or_insert_with(FastMap4::default).entry(position)
|
||||
.or_insert_with(RoaringBitmap::new).insert(document_id);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Write the stats to stdout
|
||||
let mut wrt = csv::Writer::from_writer(io::stdout());
|
||||
wrt.write_record(&["word", "position", "count"])?;
|
||||
|
||||
for (word, positions) in postings_positions {
|
||||
let word = word.as_str();
|
||||
for (pos, ids) in positions {
|
||||
let pos = pos.to_string();
|
||||
let count = ids.len().to_string();
|
||||
wrt.write_record(&[word, &pos, &count])?;
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
Loading…
Reference in New Issue
Block a user