The following changes are included in this commit:
1. Modified the alltypesagg table to include an additional partition key
that has nulls.
2. Added a number of tests in hdfs.test that exercise the partition
pruning logic (see IMPALA-887).
3. Modified all the tests that are affected by the change in alltypesagg.
Change-Id: I1a769375aaa71273341522eb94490ba5e4c6f00d
Reviewed-on: http://gerrit.ent.cloudera.com:8080/2874
Reviewed-by: Dimitris Tsirogiannis <dtsirogiannis@cloudera.com>
Tested-by: jenkins
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3236
This change modifies that behavior of NULL ordering such that nulls always
compare greater than other values, but "nulls first" or "nulls last" can be used
to explicitly specify if nulls should be sorted first or last regardless of the
asc/desc.
Change-Id: I92feda1e7f42249de4009afd39f8395a0a32a2f8
Reviewed-on: http://gerrit.ent.cloudera.com:8080/812
Reviewed-by: Marcel Kornacker <marcel@cloudera.com>
Reviewed-by: Matthew Jacobs <mj@cloudera.com>
Tested-by: Matthew Jacobs <mj@cloudera.com>
