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https://issues.apache.org/jira/browse/ASTERIXDB-3415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Peeyush Gupta resolved ASTERIXDB-3415.
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Resolution: Fixed
> Compilation error: Could not infer type for variable error for valid query
> --------------------------------------------------------------------------
>
> Key: ASTERIXDB-3415
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3415
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: COMP - Compiler
> Reporter: Peeyush Gupta
> Priority: Major
> Labels: triaged
>
> The following query fails with compilation error
>
> {noformat}
> SELECT (
> SELECT c1.field1
> FROM collection1 AS c1
> WHERE c1.id IN c3.items
> UNION ALL
> SELECT c2.field2
> FROM collection2 c2 )
> FROM collection3 AS c3{noformat}
> {noformat}
> org.apache.asterix.common.exceptions.CompilationException: ASX1079:
> Compilation error: Could not infer type for variable '$$69'. (in line 2, at
> column 3)
> at
> org.apache.asterix.optimizer.rules.SetClosedRecordConstructorsRule$SettingClosedRecordVisitor.visitVariableReferenceExpression(SetClosedRecordConstructorsRule.java:175)
> ~[classes/:?]
> at
> org.apache.asterix.optimizer.rules.SetClosedRecordConstructorsRule$SettingClosedRecordVisitor.visitVariableReferenceExpression(SetClosedRecordConstructorsRule.java:80)
> ~[classes/:?] {noformat}
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