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From "Impala Public Jenkins (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-6084: Avoid using of global namespace for llvm
Date Wed, 15 Nov 2017 21:50:50 GMT
Impala Public Jenkins has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/8489
)

Change subject: IMPALA-6084: Avoid using of global namespace for llvm
......................................................................

IMPALA-6084: Avoid using of global namespace for llvm

There are a large number of places in the backend where
we import everything from the llvm namespace into the
global namespace. (e.g. using namespace llvm;)

Here are the reasons why we don't prefer this:
* It could make symbol conflicts if a newly added code
has same symbole name.
* It makes code readability uncomfortable. We may not
recognize a symbol came from.

We adopt a sequence of namespace specifiers in each use case.

Change-Id: I7098baff5f746bcc2965583ca99f6188997b733a
Reviewed-on: http://gerrit.cloudera.org:8080/8489
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>
Tested-by: Impala Public Jenkins
---
M be/src/benchmarks/hash-benchmark.cc
M be/src/codegen/codegen-anyval.cc
M be/src/codegen/codegen-callgraph.cc
M be/src/codegen/codegen-symbol-emitter.cc
M be/src/codegen/codegen-util.cc
M be/src/codegen/instruction-counter-test.cc
M be/src/codegen/instruction-counter.cc
M be/src/codegen/llvm-codegen-test.cc
M be/src/codegen/llvm-codegen.cc
M be/src/codegen/llvm-codegen.h
M be/src/exec/blocking-join-node.cc
M be/src/exec/exec-node.cc
M be/src/exec/filter-context.cc
M be/src/exec/hash-table.cc
M be/src/exec/hdfs-avro-scanner.cc
M be/src/exec/hdfs-parquet-scanner.cc
M be/src/exec/hdfs-scan-node-base.cc
M be/src/exec/hdfs-scanner.cc
M be/src/exec/hdfs-sequence-scanner.cc
M be/src/exec/hdfs-text-scanner.cc
M be/src/exec/partitioned-aggregation-node.cc
M be/src/exec/partitioned-hash-join-builder.cc
M be/src/exec/partitioned-hash-join-node.cc
M be/src/exec/select-node.cc
M be/src/exec/text-converter.cc
M be/src/exec/topn-node.cc
M be/src/exec/union-node.cc
M be/src/exprs/agg-fn-evaluator.cc
M be/src/exprs/agg-fn.cc
M be/src/exprs/case-expr.cc
M be/src/exprs/compound-predicates.cc
M be/src/exprs/expr-codegen-test.cc
M be/src/exprs/expr-test.cc
M be/src/exprs/literal.cc
M be/src/exprs/null-literal.cc
M be/src/exprs/scalar-expr.cc
M be/src/exprs/scalar-fn-call.cc
M be/src/exprs/slot-ref.cc
M be/src/runtime/descriptors.cc
M be/src/runtime/runtime-state.cc
M be/src/runtime/types.cc
M be/src/util/tuple-row-compare.cc
42 files changed, 1,417 insertions(+), 1,384 deletions(-)

Approvals:
  Tim Armstrong: Looks good to me, approved
  Impala Public Jenkins: Verified

-- 
To view, visit http://gerrit.cloudera.org:8080/8489
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I7098baff5f746bcc2965583ca99f6188997b733a
Gerrit-Change-Number: 8489
Gerrit-PatchSet: 7
Gerrit-Owner: Kim Jin Chul <jinchul@gmail.com>
Gerrit-Reviewer: Bikramjeet Vig <bikramjeet.vig@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Kim Jin Chul <jinchul@gmail.com>
Gerrit-Reviewer: Philip Zeyliger <philip@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>

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