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https://issues.apache.org/jira/browse/HIVE-25222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marton Bod reassigned HIVE-25222:
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> Fix reading Iceberg tables with a comma in column names
> -------------------------------------------------------
>
> Key: HIVE-25222
> URL: https://issues.apache.org/jira/browse/HIVE-25222
> Project: Hive
> Issue Type: Bug
> Reporter: Marton Bod
> Assignee: Marton Bod
> Priority: Major
>
> When using a table with a column name containing a comma (e.g. `employ,ee`),
> reading an Iceberg table fails because we rely on the property
> "hive.io.file.readcolumn.names" which encodes the read columns in a
> comma-separated list, put together by the ColumnProjectionUtils class.
> Because it's comma-separated in all cases, it will produce a string like:
> "id,birth_date,employ,ee" which can cause problems for Iceberg readers which
> use this string list to construct their expected read schema.
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