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https://issues.apache.org/jira/browse/ASTERIXDB-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16845486#comment-16845486
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Michael J. Carey commented on ASTERIXDB-2288:
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Ah - interesting - empty records seem weird, so I stand by my classification,
but it also seems correct per your explanation. :)
> Problems in SQL++ compilation when types "open up"
> --------------------------------------------------
>
> Key: ASTERIXDB-2288
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2288
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: COMP - Compiler
> Affects Versions: 0.9.4
> Reporter: Michael J. Carey
> Assignee: Ali Alsuliman
> Priority: Major
> Labels: triaged
> Fix For: 0.9.4.2
>
>
> USE TinySocial;
> -- This works based on the TinySocial tutorial schema
> SELECT VALUE a FROM (SELECT VALUE c FROM ChirpUsers c UNION ALL SELECT VALUE
> g FROM GleambookUsers g) AS a;
> -- This doesn't work properly (field accesses broken)
> SELECT name FROM (SELECT VALUE c FROM ChirpUsers c UNION ALL SELECT VALUE g
> FROM GleambookUsers g) AS a;
> -- This one is weird (returns some empty records)
> SELECT alias FROM (SELECT VALUE c FROM ChirpUsers c UNION ALL SELECT VALUE g
> FROM GleambookUsers g) AS a;
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