Marton Bod created HIVE-25222:
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Summary: 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
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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