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Make sure the first document is associated to the document id 0

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Clément Renault 2020-08-29 10:56:40 +02:00
parent 0a44ff86ab
commit 21aafd603c
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GPG Key ID: 92ADA4E935E71FA4
1 changed files with 24 additions and 22 deletions
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46
src/bin/indexer.rs
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@ -434,32 +434,34 @@ fn index_csv(
let mut document_id: usize = 0;
let mut document = csv::StringRecord::new();
while rdr.read_record(&mut document)? {
document_id = document_id + 1;
// We skip documents that must not be indexed by this thread
if document_id % num_threads != thread_index { continue }
let document_id = DocumentId::try_from(document_id).context("generated id is too big")?;
if document_id % (ONE_MILLION as u32) == 0 {
debug!("We have seen {}m documents so far ({:.02?}).",
document_id / ONE_MILLION as u32, before.elapsed());
before = Instant::now();
}
for (attr, content) in document.iter().enumerate().take(MAX_ATTRIBUTES) {
for (pos, word) in lexer::break_string(&content).enumerate().take(MAX_POSITION) {
let word = word.cow_to_lowercase();
let position = (attr * MAX_POSITION + pos) as u32;
store.insert_word_position(&word, position)?;
store.insert_word_position_docid(&word, position, document_id)?;
// We skip documents that must not be indexed by this thread.
if document_id % num_threads == thread_index {
if document_id % ONE_MILLION == 0 {
debug!("We have seen {}m documents so far ({:.02?}).",
document_id / ONE_MILLION, before.elapsed());
before = Instant::now();
}
let document_id = DocumentId::try_from(document_id).context("generated id is too big")?;
for (attr, content) in document.iter().enumerate().take(MAX_ATTRIBUTES) {
for (pos, word) in lexer::break_string(&content).enumerate().take(MAX_POSITION) {
let word = word.cow_to_lowercase();
let position = (attr * MAX_POSITION + pos) as u32;
store.insert_word_position(&word, position)?;
store.insert_word_position_docid(&word, position, document_id)?;
}
}
// We write the document in the database.
let mut writer = csv::WriterBuilder::new().has_headers(false).from_writer(Vec::new());
writer.write_byte_record(document.as_byte_record())?;
let document = writer.into_inner()?;
store.write_document(document_id, &document)?;
}
// We write the document in the database.
let mut writer = csv::WriterBuilder::new().has_headers(false).from_writer(Vec::new());
writer.write_byte_record(document.as_byte_record())?;
let document = writer.into_inner()?;
store.write_document(document_id, &document)?;
// Compute the document id of the the next document.
document_id = document_id + 1;
}
let (reader, docs_reader) = store.finish()?;