Introduce the docids-words-positions subcommand to the infos crate

This commit is contained in:
Clément Renault 2021-03-05 16:13:21 +01:00
parent bd63da0a0e
commit 3d02b19fbd
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@ -114,6 +114,16 @@ enum Command {
field_name: String,
},
/// Outputs a CSV with the documents ids, words and the positions where this word appears.
DocidsWordsPositions {
/// Display the whole positions in detail.
#[structopt(long)]
full_display: bool,
/// If defined, only retrieve the documents that corresponds to these internal ids.
internal_documents_ids: Vec<u32>,
},
/// Outputs some facets statistics for the given facet name.
FacetStats {
/// The field name in the document.
@ -209,6 +219,9 @@ fn main() -> anyhow::Result<()> {
FacetValuesDocids { full_display, field_name } => {
facet_values_docids(&index, &rtxn, !full_display, field_name)
},
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),
AverageNumberOfWordsByDoc => average_number_of_words_by_doc(&index, &rtxn),
AverageNumberOfPositionsByWord => {
@ -525,6 +538,39 @@ fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_nam
Ok(wtr.flush()?)
}
fn docids_words_positions(
index: &Index,
rtxn: &heed::RoTxn,
debug: bool,
internal_ids: Vec<u32>,
) -> anyhow::Result<()>
{
let stdout = io::stdout();
let mut wtr = csv::Writer::from_writer(stdout.lock());
wtr.write_record(&["document_id", "word", "positions"])?;
let iter: Box<dyn Iterator<Item = _>> = if internal_ids.is_empty() {
Box::new(index.docid_word_positions.iter(rtxn)?)
} else {
let vec: heed::Result<Vec<_>> = internal_ids.into_iter().map(|id| {
index.docid_word_positions.prefix_iter(rtxn, &(id, ""))
}).collect();
Box::new(vec?.into_iter().flatten())
};
for result in iter {
let ((id, word), positions) = result?;
let positions = if debug {
format!("{:?}", positions)
} else {
format!("{:?}", positions.iter().collect::<Vec<_>>())
};
wtr.write_record(&[&id.to_string(), word, &positions])?;
}
Ok(wtr.flush()?)
}
fn facet_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)?;