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https://issues.apache.org/jira/browse/CALCITE-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905694#comment-15905694
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Kevin Liew commented on CALCITE-1684:
-------------------------------------
+1 this is a good general solution. If Phoenix has a max precision of
2147483647 when the precision is unspecified, it can be done in the Phoenix
layer.
> Set the precision for VARCHAR and VARBINARY to the maximum value when not
> specified
> -----------------------------------------------------------------------------------
>
> Key: CALCITE-1684
> URL: https://issues.apache.org/jira/browse/CALCITE-1684
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.11.0
> Reporter: Kevin Liew
> Assignee: Julian Hyde
> Priority: Minor
> Fix For: 1.12.0
>
>
> The behavior for Calcite (and SQL Server) is to set {{VARCHAR}} precision to
> {{1}} when not specified whereas Phoenix sets the max integer value of
> {{2147483647}}.
> It doesn't really make sense to create a {{VARCHAR}} for a max length of
> {{1}} (it takes more bytes to store the length of each row than the actual
> value) and it shouldn't be the default behavior. I think we should adopt the
> Phoenix behavior. Do we need to make this configurable via SqlConformance or
> other?
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