[HIVE-19638] Configuration not passed to ORC Reader.Options - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Duplicate
Affects Version/s: 2.3.0, 2.3.1, 2.3.2
Fix Version/s: None
Component/s: Configuration, File Formats, ORC
Labels:
None

Target Version/s:

3.0.0

Description

Configuration is not passed to ORC's Reader.Option in OrcFileInputFormat which causes some ORC configurations to not be able to be picked up.

Related issues:

For example, the ORC upgrade in Hive 2.3.x changed schema evolution from positional to column name matching. A backwards compatibility configuration "orc.force.positional.evolution" could be set in ORC Reader.Options by ORC-120 however it could not be picked up resulting in null values when querying ORC tables where the column names do not match.