Sean created CALCITE-7136:
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Summary: [calcite-avatica-go] Add Support for Druid Double Types
Key: CALCITE-7136
URL: https://issues.apache.org/jira/browse/CALCITE-7136
Project: Calcite
Issue Type: Bug
Environment: [https://github.com/apache/calcite-avatica-go] v5.4.1
Imply version 2025.01.1 LTS
Reporter: Sean
The avatica golang SQL driver does not currently support druid records which
contain a double type. Using the std golang sql package, `Scan` functionality
will quietly fail and the zero value will be used.
During the prepare phase of the sql request the correct types are returned.
xxx_hidden_ColumnClassName ="java.lang.Double"
xxx_hidden_Name ="DOUBLE"
xxx_hidden_Rep =Rep_NUMBER (22)
In
[https://github.com/apache/calcite-avatica-go/blob/ebc770751cbaa070ee93a00eba3232bf433dc617/generic/generic.go#L94]
the default case causes all double types to remain as the zero value of
float64. Adding a condition on "DOUBLE" solves the problem
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