Interface ColumnDictionary

All Known Implementing Classes:
BinaryDictionary

@Experimental public sealed interface ColumnDictionary permits BinaryDictionary

The dictionary of one column chunk: the distinct values a dictionary-encoded column stores once, which ColumnReader.getDictionaryIds() refers to by entry. One subtype per physical storage.

This API is Experimental: it may change in future releases without prior deprecation.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    The number of entries; entry ids run from 0 to size() - 1.
  • Method Details

    • size

      int size()
      The number of entries; entry ids run from 0 to size() - 1.