mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-06-28 07:12:57 +02:00
84 lines
2.6 KiB
Rust
84 lines
2.6 KiB
Rust
use std::collections::HashMap;
|
|
use std::io::{self, BufRead};
|
|
use std::iter::once;
|
|
use std::path::PathBuf;
|
|
use std::time::Instant;
|
|
|
|
use anyhow::Context;
|
|
use heed::EnvOpenOptions;
|
|
use log::debug;
|
|
use structopt::StructOpt;
|
|
|
|
use crate::Index;
|
|
|
|
#[derive(Debug, StructOpt)]
|
|
/// A simple search helper binary for the milli project.
|
|
pub struct Opt {
|
|
/// The database path where the database is located.
|
|
/// It is created if it doesn't already exist.
|
|
#[structopt(long = "db", parse(from_os_str))]
|
|
database: PathBuf,
|
|
|
|
/// The maximum size the database can take on disk. It is recommended to specify
|
|
/// the whole disk space (value must be a multiple of a page size).
|
|
#[structopt(long = "db-size", default_value = "107374182400")] // 100 GB
|
|
database_size: usize,
|
|
|
|
/// Verbose mode (-v, -vv, -vvv, etc.)
|
|
#[structopt(short, long, parse(from_occurrences))]
|
|
verbose: usize,
|
|
|
|
/// The query string to search for (doesn't support prefix search yet).
|
|
query: Option<String>,
|
|
}
|
|
|
|
pub fn run(opt: Opt) -> anyhow::Result<()> {
|
|
stderrlog::new()
|
|
.verbosity(opt.verbose)
|
|
.show_level(false)
|
|
.timestamp(stderrlog::Timestamp::Off)
|
|
.init()?;
|
|
|
|
std::fs::create_dir_all(&opt.database)?;
|
|
let mut options = EnvOpenOptions::new();
|
|
options.map_size(opt.database_size);
|
|
|
|
// Open the LMDB database.
|
|
let index = Index::new(options, &opt.database)?;
|
|
let rtxn = index.read_txn()?;
|
|
|
|
let stdin = io::stdin();
|
|
let lines = match opt.query {
|
|
Some(query) => Box::new(once(Ok(query.to_string()))),
|
|
None => Box::new(stdin.lock().lines()) as Box<dyn Iterator<Item = _>>,
|
|
};
|
|
|
|
for result in lines {
|
|
let before = Instant::now();
|
|
|
|
let query = result?;
|
|
let result = index.search(&rtxn).query(query).execute().unwrap();
|
|
|
|
let mut stdout = io::stdout();
|
|
let fields_ids_map = index.fields_ids_map(&rtxn)?;
|
|
let documents = index.documents(&rtxn, result.documents_ids.iter().cloned())?;
|
|
|
|
for (_id, record) in documents {
|
|
let document: anyhow::Result<HashMap<_, _>> = record.iter()
|
|
.map(|(k, v)| {
|
|
let key = fields_ids_map.name(k).context("field id not found")?;
|
|
let val = std::str::from_utf8(v)?;
|
|
Ok((key, val))
|
|
})
|
|
.collect();
|
|
|
|
let document = document?;
|
|
serde_json::to_writer(&mut stdout, &document)?;
|
|
}
|
|
|
|
debug!("Took {:.02?} to find {} documents", before.elapsed(), result.documents_ids.len());
|
|
}
|
|
|
|
Ok(())
|
|
}
|