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https://github.com/meilisearch/MeiliSearch
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Compute stats about the word prefix level positions database in the infos crate
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@ -21,6 +21,7 @@ const DOCID_WORD_POSITIONS_DB_NAME: &str = "docid-word-positions";
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const WORD_PAIR_PROXIMITY_DOCIDS_DB_NAME: &str = "word-pair-proximity-docids";
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const WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME: &str = "word-prefix-pair-proximity-docids";
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const WORD_LEVEL_POSITION_DOCIDS_DB_NAME: &str = "word-level-position-docids";
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const WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME: &str = "word-prefix-level-position-docids";
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const FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME: &str = "facet-field-id-value-docids";
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const FIELD_ID_DOCID_FACET_VALUES_DB_NAME: &str = "field-id-docid-facet-values";
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const DOCUMENTS_DB_NAME: &str = "documents";
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@ -33,6 +34,7 @@ const ALL_DATABASE_NAMES: &[&str] = &[
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WORD_PAIR_PROXIMITY_DOCIDS_DB_NAME,
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WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME,
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WORD_LEVEL_POSITION_DOCIDS_DB_NAME,
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WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME,
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FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME,
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FIELD_ID_DOCID_FACET_VALUES_DB_NAME,
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DOCUMENTS_DB_NAME,
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@ -122,10 +124,21 @@ enum Command {
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#[structopt(long)]
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full_display: bool,
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/// The field name in the document.
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/// Words appearing in the documents.
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words: Vec<String>,
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},
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/// Outputs a CSV with the documents ids along with
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/// the word prefix level positions where it appears.
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WordPrefixesLevelPositionsDocids {
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/// Display the whole documents ids in details.
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#[structopt(long)]
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full_display: bool,
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/// Prefixes of words appearing in the documents.
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prefixes: Vec<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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@ -236,6 +249,9 @@ fn main() -> anyhow::Result<()> {
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WordsLevelPositionsDocids { full_display, words } => {
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words_level_positions_docids(&index, &rtxn, !full_display, words)
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},
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WordPrefixesLevelPositionsDocids { full_display, prefixes } => {
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word_prefixes_level_positions_docids(&index, &rtxn, !full_display, prefixes)
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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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@ -335,6 +351,7 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
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word_pair_proximity_docids,
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word_prefix_pair_proximity_docids,
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word_level_position_docids,
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word_prefix_level_position_docids,
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facet_field_id_value_docids,
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field_id_docid_facet_values: _,
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documents,
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@ -348,6 +365,7 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
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let word_prefix_pair_proximity_docids_name = "word_prefix_pair_proximity_docids";
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let word_pair_proximity_docids_name = "word_pair_proximity_docids";
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let word_level_position_docids_name = "word_level_position_docids";
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let word_prefix_level_position_docids_name = "word_prefix_level_position_docids";
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let facet_field_id_value_docids_name = "facet_field_id_value_docids";
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let documents_name = "documents";
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@ -411,6 +429,13 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
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if heap.len() > limit { heap.pop(); }
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}
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for result in word_prefix_level_position_docids.remap_data_type::<ByteSlice>().iter(rtxn)? {
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let ((word, level, left, right), value) = result?;
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let key = format!("{} {} {:?}", word, level, left..=right);
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heap.push(Reverse((value.len(), key, word_prefix_level_position_docids_name)));
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if heap.len() > limit { heap.pop(); }
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}
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let faceted_fields = index.faceted_fields_ids(rtxn)?;
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let fields_ids_map = index.fields_ids_map(rtxn)?;
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for (field_id, field_type) in faceted_fields {
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@ -588,6 +613,45 @@ fn words_level_positions_docids(
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Ok(wtr.flush()?)
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}
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fn word_prefixes_level_positions_docids(
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index: &Index,
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rtxn: &heed::RoTxn,
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debug: bool,
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prefixes: Vec<String>,
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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(&["prefix", "level", "positions", "documents_count", "documents_ids"])?;
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for word in prefixes.iter().map(AsRef::as_ref) {
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let range = {
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let left = (word, TreeLevel::min_value(), u32::min_value(), u32::min_value());
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let right = (word, TreeLevel::max_value(), u32::max_value(), u32::max_value());
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left..=right
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};
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for result in index.word_prefix_level_position_docids.range(rtxn, &range)? {
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let ((w, level, left, right), docids) = result?;
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let count = docids.len().to_string();
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let docids = if debug {
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format!("{:?}", docids)
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} else {
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format!("{:?}", docids.iter().collect::<Vec<_>>())
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};
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let position_range = if level == TreeLevel::min_value() {
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format!("{:?}", left)
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} else {
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format!("{:?}", left..=right)
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};
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let level = level.to_string();
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wtr.write_record(&[w, &level, &position_range, &count, &docids])?;
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}
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}
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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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@ -779,6 +843,21 @@ fn average_number_of_positions_by_word(index: &Index, rtxn: &heed::RoTxn) -> any
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fn size_of_databases(index: &Index, rtxn: &heed::RoTxn, names: Vec<String>) -> anyhow::Result<()> {
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use heed::types::ByteSlice;
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let Index {
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env: _,
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main,
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word_docids,
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word_prefix_docids,
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docid_word_positions,
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word_pair_proximity_docids,
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word_prefix_pair_proximity_docids,
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word_level_position_docids,
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word_prefix_level_position_docids,
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facet_field_id_value_docids,
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field_id_docid_facet_values,
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documents,
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} = index;
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let names = if names.is_empty() {
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ALL_DATABASE_NAMES.iter().map(|s| s.to_string()).collect()
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} else {
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@ -787,15 +866,17 @@ fn size_of_databases(index: &Index, rtxn: &heed::RoTxn, names: Vec<String>) -> a
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for name in names {
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let database = match name.as_str() {
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MAIN_DB_NAME => &index.main,
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WORD_PREFIX_DOCIDS_DB_NAME => index.word_prefix_docids.as_polymorph(),
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WORD_DOCIDS_DB_NAME => index.word_docids.as_polymorph(),
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DOCID_WORD_POSITIONS_DB_NAME => index.docid_word_positions.as_polymorph(),
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WORD_PAIR_PROXIMITY_DOCIDS_DB_NAME => index.word_pair_proximity_docids.as_polymorph(),
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WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME => index.word_prefix_pair_proximity_docids.as_polymorph(),
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FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME => index.facet_field_id_value_docids.as_polymorph(),
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FIELD_ID_DOCID_FACET_VALUES_DB_NAME => index.field_id_docid_facet_values.as_polymorph(),
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DOCUMENTS_DB_NAME => index.documents.as_polymorph(),
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MAIN_DB_NAME => &main,
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WORD_PREFIX_DOCIDS_DB_NAME => word_prefix_docids.as_polymorph(),
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WORD_DOCIDS_DB_NAME => word_docids.as_polymorph(),
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DOCID_WORD_POSITIONS_DB_NAME => docid_word_positions.as_polymorph(),
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WORD_PAIR_PROXIMITY_DOCIDS_DB_NAME => word_pair_proximity_docids.as_polymorph(),
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WORD_PREFIX_PAIR_PROXIMITY_DOCIDS_DB_NAME => word_prefix_pair_proximity_docids.as_polymorph(),
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WORD_LEVEL_POSITION_DOCIDS_DB_NAME => word_level_position_docids.as_polymorph(),
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WORD_PREFIX_LEVEL_POSITION_DOCIDS_DB_NAME => word_prefix_level_position_docids.as_polymorph(),
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FACET_FIELD_ID_VALUE_DOCIDS_DB_NAME => facet_field_id_value_docids.as_polymorph(),
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FIELD_ID_DOCID_FACET_VALUES_DB_NAME => field_id_docid_facet_values.as_polymorph(),
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DOCUMENTS_DB_NAME => documents.as_polymorph(),
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unknown => anyhow::bail!("unknown database {:?}", unknown),
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};
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