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https://issues.apache.org/jira/browse/FLINK-10290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16617173#comment-16617173
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ASF GitHub Bot commented on FLINK-10290:
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fhueske commented on issue #6666: [FLINK-10290] [table] Fix conversion error in
StreamScan and BatchScan
URL: https://github.com/apache/flink/pull/6666#issuecomment-421915102
As I said before, we cannot change `RowTypeInfo.equals()` because it would
break backwards compatibility. The `Row` type is used in many places. Changing
the behavior of the type info, can easily break working programs because field
names are often not important when comparing types.
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> Conversion error in StreamScan and BatchScan
> --------------------------------------------
>
> Key: FLINK-10290
> URL: https://issues.apache.org/jira/browse/FLINK-10290
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.5.3, 1.6.0
> Reporter: wangsan
> Assignee: wangsan
> Priority: Major
> Labels: pull-request-available
>
> `RowTypeInfo#equals()` only compares field types, and fields names are not
> considered. When checking the equality of `inputType` and `internalType`, we
> should compare both filed types and field names.
> Behavior of this bug:
> A table T with schema (a: Long, b:Long, c:Long)
> SELECT b,c,a from T
> expected: b,c,a
> actually: a,b,c
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