Ralph Gasser created CALCITE-3163:
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Summary: Mapping of Types in AbstractCursor#convertValue() does
not adhere to JDBC specification
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
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|[https://download.oracle.com/otn-pub/jcp/jdbc-4_1-mrel-spec/jdbc4.1-fr-spec.pdf?AuthParam=1561978725_eefb6fb1703d96f182674508c44126ea]]
(Appendix B) 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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