# Package org.apache.lucene.codecs.blocktreeords

Same postings format as Lucene50, except the terms dictionary also supports ords, i.e.

See: Description

- Class Summary
  Class | Description
  --- | ---
  BlockTreeOrdsPostingsFormat | Uses `OrdsBlockTreeTermsWriter` with `Lucene50PostingsWriter`.
  OrdsBlockTreeTermsReader | See `OrdsBlockTreeTermsWriter`.
  OrdsBlockTreeTermsWriter | This is just like `BlockTreeTermsWriter`, except it also stores a version per term, and adds a method to its TermsEnum implementation to seekExact only if the version is >= the specified version.
  OrdsSegmentTermsEnum | Iterates through terms in this field.

## Package org.apache.lucene.codecs.blocktreeords Description

Same postings format as Lucene50, except the terms dictionary also supports ords, i.e. returning which ord the enum is seeked to, and seeking by ord.

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