Peter Rozsa has uploaded a new patch set (#2). ( 
http://gerrit.cloudera.org:8080/20184 )

Change subject: IMPALA-10173: Fix substitution for unsafe expressions, 
column-level compatibility check
......................................................................

IMPALA-10173: Fix substitution for unsafe expressions, column-level 
compatibility check

This change fixes the expression substitution with an unsafely casted
expression; now the CastExrp contains the level of compatibility which
was used to create the expression, therefore substitutions can recreate
the expression as is. The patch also fixes the column level
compatibility check in set operations; now compatibility level is set
to the regular level initially for every column check, it will allow
cases, where one column contains unsafely casted constant values and
another one contains non-constant expressions with regular casts in one
set operation.

Tests:
 - test case added to insert-unsafe.test

Change-Id: I39d13f177482f74ec39570118adab609444c6929
---
M fe/src/main/java/org/apache/impala/analysis/Analyzer.java
M fe/src/main/java/org/apache/impala/analysis/BoolLiteral.java
M fe/src/main/java/org/apache/impala/analysis/CastExpr.java
M fe/src/main/java/org/apache/impala/analysis/DateLiteral.java
M fe/src/main/java/org/apache/impala/analysis/Expr.java
M fe/src/main/java/org/apache/impala/analysis/NullLiteral.java
M fe/src/main/java/org/apache/impala/analysis/NumericLiteral.java
M fe/src/main/java/org/apache/impala/analysis/SlotRef.java
M fe/src/main/java/org/apache/impala/analysis/StringLiteral.java
M fe/src/main/java/org/apache/impala/analysis/TimestampLiteral.java
M fe/src/test/java/org/apache/impala/analysis/NumericLiteralTest.java
M testdata/workloads/functional-query/queries/QueryTest/insert-unsafe.test
12 files changed, 94 insertions(+), 54 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/84/20184/2
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I39d13f177482f74ec39570118adab609444c6929
Gerrit-Change-Number: 20184
Gerrit-PatchSet: 2
Gerrit-Owner: Peter Rozsa <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>

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