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https://github.com/meilisearch/MeiliSearch
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Introduce the docids-words-positions subcommand to the infos crate
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@ -114,6 +114,16 @@ enum Command {
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field_name: String,
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},
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/// Outputs a CSV with the documents ids, words and the positions where this word appears.
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DocidsWordsPositions {
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/// Display the whole positions in detail.
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#[structopt(long)]
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full_display: bool,
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/// If defined, only retrieve the documents that corresponds to these internal ids.
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internal_documents_ids: Vec<u32>,
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},
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/// Outputs some facets statistics for the given facet name.
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FacetStats {
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/// The field name in the document.
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@ -209,6 +219,9 @@ fn main() -> anyhow::Result<()> {
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FacetValuesDocids { full_display, field_name } => {
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facet_values_docids(&index, &rtxn, !full_display, field_name)
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},
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DocidsWordsPositions { full_display, internal_documents_ids } => {
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docids_words_positions(&index, &rtxn, !full_display, internal_documents_ids)
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},
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FacetStats { field_name } => facet_stats(&index, &rtxn, field_name),
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AverageNumberOfWordsByDoc => average_number_of_words_by_doc(&index, &rtxn),
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AverageNumberOfPositionsByWord => {
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@ -525,6 +538,39 @@ fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_nam
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Ok(wtr.flush()?)
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}
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fn docids_words_positions(
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index: &Index,
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rtxn: &heed::RoTxn,
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debug: bool,
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internal_ids: Vec<u32>,
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) -> anyhow::Result<()>
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{
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let stdout = io::stdout();
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let mut wtr = csv::Writer::from_writer(stdout.lock());
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wtr.write_record(&["document_id", "word", "positions"])?;
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let iter: Box<dyn Iterator<Item = _>> = if internal_ids.is_empty() {
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Box::new(index.docid_word_positions.iter(rtxn)?)
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} else {
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let vec: heed::Result<Vec<_>> = internal_ids.into_iter().map(|id| {
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index.docid_word_positions.prefix_iter(rtxn, &(id, ""))
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}).collect();
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Box::new(vec?.into_iter().flatten())
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};
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for result in iter {
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let ((id, word), positions) = result?;
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let positions = if debug {
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format!("{:?}", positions)
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} else {
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format!("{:?}", positions.iter().collect::<Vec<_>>())
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};
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wtr.write_record(&[&id.to_string(), word, &positions])?;
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}
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Ok(wtr.flush()?)
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}
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fn facet_stats(index: &Index, rtxn: &heed::RoTxn, field_name: String) -> anyhow::Result<()> {
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let fields_ids_map = index.fields_ids_map(&rtxn)?;
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let faceted_fields = index.faceted_fields_ids(&rtxn)?;
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