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Posted to issues@calcite.apache.org by "Alessandro Solimando (Jira)" <ji...@apache.org> on 2021/02/20 18:41:00 UTC
[jira] [Updated] (CALCITE-3163) Mapping of Float and Real in
AbstractCursor#convertValue() does not adhere to JDBC specifications
[ https://issues.apache.org/jira/browse/CALCITE-3163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alessandro Solimando updated CALCITE-3163:
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Summary: Mapping of Float and Real in AbstractCursor#convertValue() does not adhere to JDBC specifications (was: Mapping of Types in AbstractCursor#convertValue() does not adhere to JDBC specifications)
> Mapping of Float and Real in AbstractCursor#convertValue() does not adhere to JDBC specifications
> -------------------------------------------------------------------------------------------------
>
> Key: CALCITE-3163
> URL: https://issues.apache.org/jira/browse/CALCITE-3163
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Affects Versions: avatica-1.15.0
> Reporter: Ralph Gasser
> Priority: Major
> Labels: pull-request-available
> Fix For: avatica-1.18.0
>
> Attachments: patch0001.diff
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> This is an issue I found while working on CALCITE-3162: According to my understanding, the method _AbstractCursor#convertValue()_, used for converting the component types of ARRAYs, does not adhere to what is specified in the [JDBC specification (Appendix B)|https://download.oracle.com/otn-pub/jcp/jdbc-4_1-mrel-spec/jdbc4.1-fr-spec.pdf?AuthParam=1561978725_eefb6fb1703d96f182674508c44126ea] regarding mapping of types:
> * The JDBC types FLOAT (6) and DOUBLE (8) should actually both map to Java _double_ or _Double_ respectively. Currently, FLOAT (6) is converted to a _float_.
> * The implementation is currently missing support for JDBC type REAL (7), which should convert to _float_ or _Float_ respectively
> This issue will cause an IllegalStateException to be thrown in clients using the Avatica Driver if they encounter REAL datatype in arrays.
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