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https://issues.apache.org/jira/browse/FLINK-13218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323222#comment-17323222
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Flink Jira Bot commented on FLINK-13218:
----------------------------------------
This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> '*.count not supported in TableApi query
> ----------------------------------------
>
> Key: FLINK-13218
> URL: https://issues.apache.org/jira/browse/FLINK-13218
> Project: Flink
> Issue Type: Task
> Components: Table SQL / Planner
> Reporter: Jing Zhang
> Assignee: Jing Zhang
> Priority: Major
> Labels: stale-assigned
>
> The following query is not supported yet:
> {code:java}
> val t = StreamTestData.get3TupleDataStream(env).toTable(tEnv, 'a, 'b, 'c)
> .groupBy('b)
> .select('b, 'a.sum, '*.count)
> {code}
> The following exception will be thrown.
> {code:java}
> org.apache.flink.table.api.ValidationException: Cannot resolve field [*],
> input field list:[a, b, c].
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.failForField(ReferenceResolverRule.java:80)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$null$4(ReferenceResolverRule.java:75)
> at java.util.Optional.orElseThrow(Optional.java:290)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$null$5(ReferenceResolverRule.java:75)
> at java.util.Optional.orElseGet(Optional.java:267)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$visit$6(ReferenceResolverRule.java:74)
> at java.util.Optional.orElseGet(Optional.java:267)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.visit(ReferenceResolverRule.java:71)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.visit(ReferenceResolverRule.java:51)
> at
> ...
> {code}
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