Xianqing He has uploaded a new patch set (#4). ( 
http://gerrit.cloudera.org:8080/18179 )

Change subject: IMPALA-10982: fix unable to explain the set operation statement
......................................................................

IMPALA-10982: fix unable to explain the set operation statement

For SetOperationStmt we will replace the query statement with the
rewritten version, but we haven’t set the explain flag if the
original is explain statement.

Tests:
  -- Using impala-shell to test the explain statement of set operation.
  -- Add new test case in the explain_level tests

Change-Id: I19264dfa794ffd5ed7355acfef0ac35f17c809d3
---
M fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java
M testdata/workloads/functional-query/queries/QueryTest/explain-level0.test
M testdata/workloads/functional-query/queries/QueryTest/explain-level1.test
M testdata/workloads/functional-query/queries/QueryTest/explain-level2.test
4 files changed, 29 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/18179/4
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I19264dfa794ffd5ed7355acfef0ac35f17c809d3
Gerrit-Change-Number: 18179
Gerrit-PatchSet: 4
Gerrit-Owner: Xianqing He <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Qifan Chen <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Xianqing He <[email protected]>

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