Jim Apple has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/13940


Change subject: IMPALA-5031: widen Thrift enum to placate UBSAN
......................................................................

IMPALA-5031: widen Thrift enum to placate UBSAN

This fixes an instance of undefined behavior in the end-to-end tests
in which an enum value is outside of the allowable values for that
enum according to the C++14 standard.

Representative backtrace:

exec/parquet/parquet-metadata-utils.cc:293:26: runtime error: load of
  value 49, which is not a valid value for type 'Type::type'
    #0 ParquetMetadataUtils::ValidateRowGroupColumn(
       parquet::FileMetaData const&, char const*, int, int,
       parquet::SchemaElement const&, RuntimeState*)
       exec/parquet/parquet-metadata-utils.cc:293:26
    #1 BaseScalarColumnReader::Reset(HdfsFileDesc const&,
       parquet::ColumnChunk const&, int)
       exec/parquet/parquet-column-readers.cc:1077:43
    #2 HdfsParquetScanner::InitScalarColumns()
       exec/parquet/hdfs-parquet-scanner.cc:1679:60
    #3 HdfsParquetScanner::NextRowGroup()
       exec/parquet/hdfs-parquet-scanner.cc:648:45
    #4 HdfsParquetScanner::GetNextInternal(RowBatch*)
       exec/parquet/hdfs-parquet-scanner.cc:437:45
    #5 HdfsParquetScanner::ProcessSplit()
       exec/parquet/hdfs-parquet-scanner.cc:353:21
    #6 HdfsScanNode::ProcessSplit(vector<FilterContext> const&,
       MemPool*, io::ScanRange*, long*) exec/hdfs-scan-node.cc:514:21
    #7 HdfsScanNode::ScannerThread(bool, long)
       exec/hdfs-scan-node.cc:415:7
    #8 HdfsScanNode::ThreadTokenAvailableCb(ThreadResourcePool*)::
       $_0::operator()() const exec/hdfs-scan-node.cc:337:13

Change-Id: I48090e8e0c6c6f18bb1ad3c32c1f5fbffc908844
---
M common/thrift/parquet.thrift
1 file changed, 22 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/40/13940/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I48090e8e0c6c6f18bb1ad3c32c1f5fbffc908844
Gerrit-Change-Number: 13940
Gerrit-PatchSet: 1
Gerrit-Owner: Jim Apple <jbap...@apache.org>

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