Hello Impala Public Jenkins,

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/15278

to look at the new patch set (#3).

Change subject: IMPALA-7784: Use unescaped string in partition pruning + fix 
duplicatedly unescaping strings
......................................................................

IMPALA-7784: Use unescaped string in partition pruning + fix duplicatedly 
unescaping strings

String values from external systems (HDFS, Hive, Kudu, etc.) are already
unescaped, the same as string values in Thrift objects deserialized in
coordinators. We should mark needsUnescaping_ as false in creating
StringLiterals for these values (in LiteralExpr#create()).

When comparing StringLiterals in partition pruning, we should also use
the unescaped values if needsUnescaping_ is true.

Tests:
 - Add tests for partition pruning on unescaped strings.
 - Add test coverage for all existing code paths using
   LiteralExpr#create().
 - Run core tests

Change-Id: Iea8070f16a74f9aeade294504f2834abb8b3b38f
---
M fe/src/main/java/org/apache/impala/analysis/LiteralExpr.java
M fe/src/main/java/org/apache/impala/analysis/StringLiteral.java
M fe/src/main/java/org/apache/impala/catalog/FeCatalogUtils.java
M fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
M fe/src/main/java/org/apache/impala/catalog/KuduColumn.java
M fe/src/test/java/org/apache/impala/analysis/LiteralExprTest.java
M fe/src/test/java/org/apache/impala/catalog/CatalogObjectToFromThriftTest.java
M testdata/bin/compute-table-stats.sh
M testdata/datasets/functional/functional_schema_template.sql
M testdata/datasets/functional/schema_constraints.csv
M 
testdata/workloads/functional-planner/queries/PlannerTest/partition-pruning.test
M testdata/workloads/functional-query/queries/QueryTest/kudu_describe.test
M testdata/workloads/functional-query/queries/QueryTest/show-stats.test
M tests/metadata/test_recover_partitions.py
14 files changed, 214 insertions(+), 23 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/78/15278/3
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Iea8070f16a74f9aeade294504f2834abb8b3b38f
Gerrit-Change-Number: 15278
Gerrit-PatchSet: 3
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>

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