Gregory Hart created CALCITE-4892:
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Summary: Conversion from String in cursor accessors
Key: CALCITE-4892
URL: https://issues.apache.org/jira/browse/CALCITE-4892
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Gregory Hart
Numeric accessors (such as LongAccessor) of the AbstractCursor class could
automatically convert strings to the appropriate numeric type.
Also, I looked to see if I could instead easily provide my own accessor
implementations in Calcite, but the cursor implementation is hardcoded in
CalciteResultSet and is not easy to override.
An example where this would be useful is when using the JDBC adapter with
PostgreSQL and Hibernate. Hibernate is expecting this conversion to happen in
the driver and fails when Calcite throws an exception: cannot convert to long.
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