TermVectorsPostingsArray postings = (TermVectorsPostingsArray) termsHashPerField.postingsArray;
final TermVectorsWriter tv = termsWriter.writer;
final int[] termIDs = termsHashPerField.sortPostings(tv.getComparator());
tv.startField(fieldInfo, numPostings, doVectorPositions, doVectorOffsets, hasPayloads);
final ByteSliceReader posReader = doVectorPositions ? termsWriter.vectorSliceReaderPos : null;
final ByteSliceReader offReader = doVectorOffsets ? termsWriter.vectorSliceReaderOff : null;
final ByteBlockPool termBytePool = termsHashPerField.termBytePool;