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Introduce a database to store docids in groups of four positions

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Clément Renault
2020-08-29 16:29:18 +02:00
parent 3db517548d
commit ad5cafbfed
2 changed files with 72 additions and 26 deletions
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3
src/lib.rs
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@ -39,6 +39,8 @@ pub struct Index {
pub word_positions: Database<Str, RoaringBitmapCodec>,
/// Maps a word at a position (u32) and all the documents ids where the given word appears.
pub word_position_docids: Database<StrBEU32Codec, RoaringBitmapCodec>,
/// Maps a word and a range of 4 positions, i.e. 0..4, 4..8, 12..16.
pub word_four_positions_docids: Database<StrBEU32Codec, RoaringBitmapCodec>,
/// Maps a word and an attribute (u32) to all the documents ids where the given word appears.
pub word_attribute_docids: Database<StrBEU32Codec, RoaringBitmapCodec>,
/// Maps the document id to the document as a CSV line.
@ -51,6 +53,7 @@ impl Index {
main: env.create_poly_database(None)?,
word_positions: env.create_database(Some("word-positions"))?,
word_position_docids: env.create_database(Some("word-position-docids"))?,
word_four_positions_docids: env.create_database(Some("word-four-positions-docids"))?,
word_attribute_docids: env.create_database(Some("word-attribute-docids"))?,
documents: env.create_database(Some("documents"))?,
})