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https://issues.apache.org/jira/browse/HIVE-18554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16343315#comment-16343315
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Adam Szita commented on HIVE-18554:
-----------------------------------
Thanks Peter!
> Fix false positive test ql.io.parquet.TestHiveSchemaConverter.testMap
> ----------------------------------------------------------------------
>
> Key: HIVE-18554
> URL: https://issues.apache.org/jira/browse/HIVE-18554
> Project: Hive
> Issue Type: Bug
> Reporter: Adam Szita
> Assignee: Adam Szita
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HIVE-18554.0.patch
>
>
> In test case {{testMap}} the AssertEquals check was returning a false
> positive result, due to a Parquet bug:
> Original types were not asserted in equals method, this has been fixed here:
> [https://github.com/apache/parquet-mr/commit/878ebcd0bc2592fa9d5dda01117c07bc3c40bb33]
> What this test would produce after the Parquet fix is this:
> {code:java}
> expected:<message hive_schema {
> optional group mapCol (MAP) {
> repeated group map (MAP_KEY_VALUE) {
> required binary key;
> optional binary value;
> }
> }
> }
> > but was:<message hive_schema {
> optional group mapCol (MAP) {
> repeated group map (MAP_KEY_VALUE) {
> required binary key (UTF8);
> optional binary value (UTF8);
> }
> }
> }
> >{code}
> It affects testMapDecimal test case similarly.
> Once we upgrade to a Parquet lib with this fix in place our test case will
> produce failure too, hence I propose fixing it now.
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