private ByteEntryAccumulator getKeyAccumulator() {
if (indexKeyAccumulator == null) {
BitSet keyFields = new BitSet();
for (int keyColumn : mainColToIndexPosMap) {
if (keyColumn >= 0) keyFields.set(keyColumn);
}
indexKeyAccumulator =
new ByteEntryAccumulator(EntryPredicateFilter.emptyPredicate(), keyFields);
}
return indexKeyAccumulator;
}
private DataResult fetchBaseRow(KVPair mutation, WriteContext ctx, BitSet indexedColumns)
throws IOException {
baseGet =
SIDriver.driver()
.getOperationFactory()
.newDataGet(ctx.getTxn(), mutation.getRowKey(), baseGet);
EntryPredicateFilter epf;
if (indexedColumns != null && indexedColumns.size() > 0) {
epf = new EntryPredicateFilter(indexedColumns);
} else epf = EntryPredicateFilter.emptyPredicate();
TransactionalRegion region = ctx.txnRegion();
TxnFilter txnFilter = region.packedFilter(ctx.getTxn(), epf, false);
baseGet.setFilter(txnFilter);
baseResult = ctx.getRegion().get(baseGet, baseResult);
return baseResult;
}