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https://issues.apache.org/jira/browse/FLINK-33597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Nuyanzin resolved FLINK-33597.
-------------------------------------
Fix Version/s: 2.2.0
(was: 2.3.0)
Resolution: Fixed
> Can not use a nested column for a join condition
> ------------------------------------------------
>
> Key: FLINK-33597
> URL: https://issues.apache.org/jira/browse/FLINK-33597
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Fix For: 2.2.0
>
>
> Query:
> {code}
> SELECT A.after.CUSTOMER_ID FROM `CUSTOMERS` A INNER JOIN `PRODUCTS` B ON
> A.after.CUSTOMER_ID = B.after.PURCHASER;
> {code}
> fails with:
> {code}
> java.lang.RuntimeException: Error while applying rule
> FlinkProjectWatermarkAssignerTransposeRule, args
> [rel#411017:LogicalProject.NONE.any.None:
> 0.[NONE].[NONE](input=RelSubset#411016,exprs=[$2, $2.CUSTOMER_ID]),
> rel#411015:LogicalWatermarkAssigner.NONE.any.None:
> 0.[NONE].[NONE](input=RelSubset#411014,rowtime=$rowtime,watermark=SOURCE_WATERMARK())]
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:250)
> ...
> Caused by: java.lang.IllegalArgumentException: Type mismatch:
> rel rowtype: RecordType(RecordType:peek_no_expand(INTEGER NOT NULL
> CUSTOMER_ID, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" CUSTOMER_NAME,
> VARCHAR(2147483647) CHARACTER SET "UTF-16LE" TITLE, INTEGER DOB) after,
> INTEGER $f8) NOT NULL
> equiv rowtype: RecordType(RecordType:peek_no_expand(INTEGER NOT NULL
> CUSTOMER_ID, VARCHAR(2147483647) CHARACTER SET "UTF-16LE" CUSTOMER_NAME,
> VARCHAR(2147483647) CHARACTER SET "UTF-16LE" TITLE, INTEGER DOB) after,
> INTEGER NOT NULL $f8) NOT NULL
> Difference:
> $f8: INTEGER -> INTEGER NOT NULL
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:592)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:613)
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:144)
> ... 50 more
> {code}
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