[FLINK-17993] read schema from orc file

• Type: Improvement
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Component/s: Connectors / ORC
• Labels: auto-deprioritized-major auto-deprioritized-minor
• Assignee: Unassigned
• Reporter: dingli123
• Created: 28/May/20 04:49
• Updated: 14/Nov/21 10:38

Description

now , if we use OrcTableSource , we must provide schema info.

In fact, the orc file already store schema info in file.

(hive --orcfiledump can see the schema info)

so OrcTableSource can read schema info from orc file