Yifan Zhang has uploaded this change for review. ( http://gerrit.cloudera.org:8080/19471
Change subject: IMPALA-11081: Fix incorrect results in partition key scan ...................................................................... IMPALA-11081: Fix incorrect results in partition key scan This patch fixes incorrect results caused by short-circuit partition key scan in the case where a file contains multiple blocks. IMPALA-8834 introduced the optimization that generating only one scan range that corresponding to the first block per file, and backends only read footers for parquet/ORC files, which leads to incorrect results if the first block doesn't include a file footer. This bug is fixed by returning a scan range corresponding to the last block to make sure it contains a file footer. Testing: - Added an e2e test to verify the fix. - Ran TestPartitionKeyScans to make sure no regressions. Change-Id: I17331ed6c26a747e0509dcbaf427cd52808943b1 --- M fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java M tests/query_test/test_queries.py 2 files changed, 42 insertions(+), 1 deletion(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/71/19471/1 -- To view, visit http://gerrit.cloudera.org:8080/19471 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I17331ed6c26a747e0509dcbaf427cd52808943b1 Gerrit-Change-Number: 19471 Gerrit-PatchSet: 1 Gerrit-Owner: Yifan Zhang <chinazhangyi...@163.com>
