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https://issues.apache.org/jira/browse/HIVE-9193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14258284#comment-14258284
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Brock Noland commented on HIVE-9193:
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I've previously +1'ed this change and since the patch could easily get out of
date, I will commit now.
> Fix ordering differences due to Java 8 (Part 3)
> -----------------------------------------------
>
> Key: HIVE-9193
> URL: https://issues.apache.org/jira/browse/HIVE-9193
> Project: Hive
> Issue Type: Sub-task
> Components: Tests
> Reporter: Mohit Sabharwal
> Assignee: Mohit Sabharwal
> Attachments: HIVE-9193.1.patch, HIVE-9193.2.patch, HIVE-9193.patch
>
>
> This patch fixes following q-test failures in Java 8:
> (1) avro_* q-tests with map data type.
> Select operator uses {{LazySimpleSerDe}}/{{StandMapObjectInspector}}, which
> is used all over for serializing results back to the end user for queries
> with maps. To avoid adding the additional memory cost associated with
> {{LinkedHashMap}}, we generate java version specific out files for these
> tests.
> (2) plan_json.q, join0.q, input4.q, authorization_explain.q
> {{EXPLAIN FORMATTED}} outputs string representation of {{JSONObject}}, which
> internally is a {{HashMap}}. Again, we generate java version specific out
> files for these tests.
> (3) explain_dependency.q
> {{EXPLAIN DEPENDENCY}} outputs string representation of
> {{ReadEntity.parents}}. Changed that to an ordered map.
> (4) list_bucket_dml_6.q
> {{DESC FORMATTED}} calls {{StorageDescriptor.getSkewedInfo()}} HMS API, which
> returns a thrift (unordered) map. Generate java version specific out file for
> this test.
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