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https://issues.apache.org/jira/browse/CALCITE-4750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404879#comment-17404879
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Qingyang Feng commented on CALCITE-4750:
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yeah, I had send email last day.
> derive the table structurt
> --------------------------
>
> Key: CALCITE-4750
> URL: https://issues.apache.org/jira/browse/CALCITE-4750
> Project: Calcite
> Issue Type: Wish
> Components: core
> Affects Versions: 1.20.0
> Reporter: Qingyang Feng
> Priority: Minor
>
> I want to derive the table structure from the insert statement.
> For example,
> insert into table2 select field1, field2 from table1;
> Derive the table structure of table2 from table1.
> The performUnconditionalRewrites method in SqlValidatorImpl can obtain the
> table structure from the insert statement when verifying SQL statements.
> However, the method is a private method. Therefore, I have to obtain the
> table structure through reflection. Is there a more convenient way to do that?
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