Daniel Becker has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/18007


Change subject: IMPALA-11011: Impala crashes in OrcStructReader::NumElements()
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IMPALA-11011: Impala crashes in OrcStructReader::NumElements()

Running the query

select inner_arr.ITEM
from functional_orc_def.complextypestbl.nested_struct.c.d.ITEM as
inner_arr;

in a non-full-acid version/copy of functional_orc_def.complextypestbl
crashes Impala because in OrcStructReader::NumElements() 'vbatch_' is
NULL and we dereference it.

This commit adds a NULL check and if 'vbatch_' is NULL, NumElements()
returns 0.

Change-Id: I19cea7afdd1b3542a20a81b9f212fa320f3c1427
---
M be/src/exec/orc-column-readers.h
1 file changed, 3 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/07/18007/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I19cea7afdd1b3542a20a81b9f212fa320f3c1427
Gerrit-Change-Number: 18007
Gerrit-PatchSet: 1
Gerrit-Owner: Daniel Becker <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>

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