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https://issues.apache.org/jira/browse/SPARK-28061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-28061.
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Resolution: Won't Fix
> Support for converting float/double to binary format
> ----------------------------------------------------
>
> Key: SPARK-28061
> URL: https://issues.apache.org/jira/browse/SPARK-28061
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> Examples:
> {code:sql}
> SELECT float4send('5e-20'::float4);
> SELECT float4send('67e14'::float4);
> SELECT float4send('985e15'::float4);
> SELECT float4send('55895e-16'::float4);
> SELECT float4send('7038531e-32'::float4);
> SELECT float4send('702990899e-20'::float4);
> {code}
> float4send:
> https://github.com/postgres/postgres/blob/16d489b0fe058e527619f5e9d92fd7ca3c6c2994/src/backend/utils/adt/float.c#L314-L326
> float8send:
> https://github.com/postgres/postgres/blob/16d489b0fe058e527619f5e9d92fd7ca3c6c2994/src/backend/utils/adt/float.c#L566-L578
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