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https://issues.apache.org/jira/browse/CALCITE-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17453291#comment-17453291
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Julian Hyde commented on CALCITE-4923:
--------------------------------------
Is there a SQL test case for this bug? Because as stated, it looks as if
someone has incorrectly sub-classed SqlValidatorImpl.
> Expand "star" for NATURAL JOIN fails if some columns are filtered out by
> addToSelectList
> ----------------------------------------------------------------------------------------
>
> Key: CALCITE-4923
> URL: https://issues.apache.org/jira/browse/CALCITE-4923
> Project: Calcite
> Issue Type: Bug
> Reporter: Aleksey Plekhanov
> Priority: Major
>
> If all columns ("*") are requested and some table columns are filtered out by
> overridden {{SqlValidatorImpl.addToSelectList()}} method (for example, some
> system columns, which we don't want to show to user until it explicitly
> requests it) query with NATURAL JOIN and JOIN with USING fail on
> {{SqlValidatorImpl.expandStar()}} with error:
> {noformat}
> java.lang.ArrayIndexOutOfBoundsException: 7
> at
> com.google.common.collect.RegularImmutableList.get(RegularImmutableList.java:60)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl$Permute.permute(SqlValidatorImpl.java:7109)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.expandStar(SqlValidatorImpl.java:664)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:426)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:4409)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3652)
> {noformat}
> Because {{Permute.permute()}} rely on columns count equality in
> {{selectItems}} and JOIN row type.
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