public boolean includeAcidColumns() {
    return this.includeAcidColumns;
  }
Generates a SearchArgument to push down to delete_delta files.


Note that bucket is a bit packed int, so even thought all delete events
for a given split have the same bucket ID but not the same "bucket" value
{@link BucketCodec}
ql/src/java/org/apache/hadoop/hive/ql/io/orc/VectorizedOrcAcidRowBatchReader.java