Function IsDictionaryIndexEncoding

cpp/src/parquet/types.h:882–884

PLAIN_DICTIONARY is deprecated but used to be used as a dictionary index encoding.

// PLAIN_DICTIONARY is deprecated but used to be used as a dictionary index
// encoding.
constexpr bool IsDictionaryIndexEncoding(Encoding::type e) {
  return e == Encoding::RLE_DICTIONARY || e == Encoding::PLAIN_DICTIONARY;
}

}  // namespace parquet