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https://issues.apache.org/jira/browse/CALCITE-3282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913852#comment-16913852
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feng huang commented on CALCITE-3282:
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[~julianhyde] Sorry , I have modified and attach it.
> Make every SqlDialect unparse their own data type
> -------------------------------------------------
>
> Key: CALCITE-3282
> URL: https://issues.apache.org/jira/browse/CALCITE-3282
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: feng huang
> Priority: Minor
>
> Every database might have different type or same type but different type
> name, therefore making every SqlDialect parse their own data type is a
> suitable way.
> for example, “select cast(col as int) from table” change to hive sql "select
> cast(col as integer) from table", but "integer" is not allowed in hive.
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