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https://issues.apache.org/jira/browse/CALCITE-3282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921112#comment-16921112
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Jacky Woo commented on CALCITE-3282:
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Ok, thank you.
> 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
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Every database might have different type or same type but different type
> name, therefore making every SqlDialect unparse their own data type is a
> suitable way.
> For example, there is a sql “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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