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https://issues.apache.org/jira/browse/HIVE-19035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416131#comment-16416131
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Gopal V commented on HIVE-19035:
--------------------------------
Add a positive test-case for this - will the following query vectorize?
{code}
EXPLAIN VECTORIZATION EXPRESSION
FROM src_thrift
SELECT src_thrift.mstringstring['key_9'];
{code}
+1 tests pending.
> Vectorization: Disable exotic STRUCT field reference form
> ---------------------------------------------------------
>
> Key: HIVE-19035
> URL: https://issues.apache.org/jira/browse/HIVE-19035
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 3.0.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-19035.01.patch
>
>
> We currently don't support exotic field references like get a struct field
> from array<struct<a:timestamp>> returns a type array<timestamp>. Attempt
> causes ClassCastException in VectorizationContext that kills query planning.
> The Q file is input_testxpath3.q
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