feat: add OceanBase doc engine (#11228)

### What problem does this PR solve?

Add OceanBase doc engine. Close #5350

### Type of change

- [x] New Feature (non-breaking change which adds functionality)
This commit is contained in:
He Wang
2025-11-20 10:00:14 +08:00
committed by GitHub
parent 1c06ec39ca
commit 38234aca53
11 changed files with 1717 additions and 4 deletions

1562
rag/utils/ob_conn.py Normal file

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