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https://issues.apache.org/jira/browse/FLINK-15677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17019214#comment-17019214
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Jingsong Lee commented on FLINK-15677:
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Hi [~hailong wang], thanks for creating. we will remove
{{TableSource.getTableSchema}} in future.
About implementation, maybe we need something like
{{FieldInfoUtils.extractFieldInformation}}.
> TableSource#explainSource should return the field names from
> getProducedDataType instead of getTableSchema
> ----------------------------------------------------------------------------------------------------------
>
> Key: FLINK-15677
> URL: https://issues.apache.org/jira/browse/FLINK-15677
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.10.0
> Reporter: hailong wang
> Priority: Major
> Fix For: 1.11.0
>
>
> For the fields push down, the final fieldNames of tablesource are not
> consistent with FieldNames from TableSchema. So we should return the field
> names from getProducedDataType instead of getTableSchema.
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