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https://issues.apache.org/jira/browse/DRILL-3355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652128#comment-14652128
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Daniel Barclay (Drill) commented on DRILL-3355:
-----------------------------------------------
If Drill's core doesn't represent internally and supply these values via RPC,
then, if the values are constant, then the ResultSetMetadata implementation
could return hard-coded values (references to whatever core-Drill constants
reflect the values).
> Implement ResultSetMetadata.get{Precision,Scale,ColumnDisplaySize} (need
> RPC-level data)
> ----------------------------------------------------------------------------------------
>
> Key: DRILL-3355
> URL: https://issues.apache.org/jira/browse/DRILL-3355
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Reporter: Daniel Barclay (Drill)
> Assignee: Daniel Barclay (Drill)
> Fix For: 1.2.0
>
>
> JDBC ResultSetMetadata methods getPrecision(...), getScale(...), and
> getColumnDisplaySize() are not implemented, currently because required data
> is not available in the RPC-level data.
> The unavailable data includes:
> - string type lengths (N in VARCHAR(N), BINARY(N))
> - interval qualifier information (which units, leading digit precision,
> fractional seconds precision)
> - datetime type fractional seconds precision
> (Whether an interval is a YEAR/MONTH interval or is a DAY/HOUR/MINUTE/SECOND
> interval is available.)
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