Huaisi Xu has uploaded a new patch set (#2).

Change subject: IMPALA-3711: Only check privilege when needed
......................................................................

IMPALA-3711: Only check privilege when needed

Previously getSchemas() checks privileges for all databases
and tables; getTables() checks for all columns, which can
lead to bad performance.

This patch avoids checking unnecessary privileges.

Change-Id: I17d8c5b9fb12483e4b01b819fba48b6849311a14
---
M fe/src/main/java/com/cloudera/impala/catalog/Catalog.java
M fe/src/main/java/com/cloudera/impala/service/Frontend.java
M fe/src/main/java/com/cloudera/impala/service/JniCatalog.java
M fe/src/main/java/com/cloudera/impala/service/JniFrontend.java
M fe/src/main/java/com/cloudera/impala/service/MetadataOp.java
M fe/src/test/java/com/cloudera/impala/analysis/AuthorizationTest.java
6 files changed, 53 insertions(+), 41 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala refs/changes/71/3371/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I17d8c5b9fb12483e4b01b819fba48b6849311a14
Gerrit-PatchSet: 2
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Huaisi Xu <[email protected]>
Gerrit-Reviewer: Dimitris Tsirogiannis <[email protected]>
Gerrit-Reviewer: Huaisi Xu <[email protected]>

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