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https://issues.apache.org/jira/browse/CALCITE-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-795:
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Summary: Loss of precision when sending a decimal number via the remote
JSON service (was: Precision loss wen sending a decimal number via the remote
JSON service)
> Loss of precision when sending a decimal number via the remote JSON service
> ---------------------------------------------------------------------------
>
> Key: CALCITE-795
> URL: https://issues.apache.org/jira/browse/CALCITE-795
> Project: Calcite
> Issue Type: Bug
> Reporter: Lukas Lalinsky
> Assignee: Julian Hyde
>
> When sending for example {code}{"type":"NUMBER","value":"333.333"}{code} to
> the "fetch" request of the remote JSON service, the exact value will not be
> kept and after one UPSERT/SELECT roundtrip in Phoenix I will get 333.332 back.
> Interestingly enough, this worked in Calcite 1.2 before the TypedValue class
> was introduced, but I think that working just by accident.
> The attached patch changes changes the Jackson object mapper to decode any
> JSON float to BigDecimal, unless the code explicitly asks for Float/Double. I
> think that shouldn't break anything and it solves this problem.
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