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https://issues.apache.org/jira/browse/CALCITE-1466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17983862#comment-17983862
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ZheHu commented on CALCITE-1466:
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Hi [~mbudiu] , I noticed that database like Oracle, Postgresql, SQL Server
don't support UNSIGNED directly in their type system, shall we make
supportsUnsignedTypes() to false for them?
> Support for UNSIGNED types of TINYINT, SMALLINT, INT, BIGINT in type system
> ---------------------------------------------------------------------------
>
> Key: CALCITE-1466
> URL: https://issues.apache.org/jira/browse/CALCITE-1466
> Project: Calcite
> Issue Type: Improvement
> Components: avatica
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Mihai Budiu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.41.0
>
>
> There are some data bases like MySQL supporting unsigned data types. Apache
> Phoenix also supports them. Would be great to add them to calcite as well.
> http://dev.mysql.com/doc/refman/5.7/en/integer-types.html
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