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https://issues.apache.org/jira/browse/CALCITE-6370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mihai Budiu resolved CALCITE-6370.
----------------------------------
Fix Version/s: 1.38.0
Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/a7c1e8ac774f0ca602ed598f9dd0aef99ca7ad23
Thank you, [~njordan] for the contribution
> AS operator problems with USING clause
> --------------------------------------
>
> Key: CALCITE-6370
> URL: https://issues.apache.org/jira/browse/CALCITE-6370
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.36.0
> Reporter: Claude Brisson
> Assignee: Norman Jordan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.38.0
>
>
> In some cases, with the {{USING}} clause, the used column generates ambiguity
> exceptions with the {{AS}} operator.
>
> OK : {{select r_regionkey from region r0 join region r1 using (r_regionkey)}}
> OK : {{select r_regionkey * 2 as rk2 from region r0 join region r1 using
> (r_regionkey)}}
> KO : {{select r_regionkey as rk from region r0 join region r1 using
> (r_regionkey)}}
>
> The last query generates the following error:
>
> {code:java}
> org.apache.calcite.sql.validate.SqlValidatorException: Column 'r_regionkey'
> is ambiguous
> at jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance
> (DirectConstructorHandleAccessor.java:62)
> at java.lang.reflect.Constructor.newInstanceWithCaller
> (Constructor.java:502)
> at java.lang.reflect.Constructor.newInstance (Constructor.java:486)
> at org.apache.calcite.runtime.Resources$ExInstWithCause.ex
> (Resources.java:507)
> at org.apache.calcite.runtime.Resources$ExInst.ex (Resources.java:601)
> at org.apache.calcite.sql.SqlUtil.newContextException (SqlUtil.java:948)
> at org.apache.calcite.sql.SqlUtil.newContextException (SqlUtil.java:933)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError
> (SqlValidatorImpl.java:5517)
> at org.apache.calcite.sql.validate.DelegatingScope.fullyQualify
> (DelegatingScope.java:296)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.findTableColumnPair
> (SqlValidatorImpl.java:3989)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.isRolledUpColumn
> (SqlValidatorImpl.java:4032)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.checkRollUp
> (SqlValidatorImpl.java:3945)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.checkRollUp
> (SqlValidatorImpl.java:3940)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.checkRollUp
> (SqlValidatorImpl.java:3959)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.checkRollUpInSelectList
> (SqlValidatorImpl.java:3861)
> at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect
> (SqlValidatorImpl.java:3849)
> {code}
>
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