feat: improve error handling with custom exceptions and troubleshooting guide#64
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knqiufan wants to merge 3 commits intooceanbase:mainfrom
Open
feat: improve error handling with custom exceptions and troubleshooting guide#64knqiufan wants to merge 3 commits intooceanbase:mainfrom
knqiufan wants to merge 3 commits intooceanbase:mainfrom
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…nd improve SQL syntax in checkpointer.py for clarity and consistency
…g in OceanBase integration - Introduced a comprehensive troubleshooting section in README.md covering common connection issues, vector dimension mismatches, index creation failures, and AI function support. - Enhanced error handling in the OceanBase integration by replacing generic ValueErrors with specific OceanBase exceptions for better clarity and debugging. - Updated exception handling in the OceanBaseCheckpointSaver and OceanbaseVectorStore classes to provide more informative error messages.
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@knqiufan Thank you for your contribution. Can you resolve the PR conflict |
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Summary
This PR enhances error handling across the langchain-oceanbase project by introducing a custom exception hierarchy and adding actionable troubleshooting hints to help users diagnose and resolve issues quickly.
close #45
Dependencies
Changes
1. Custom exception hierarchy (
langchain_oceanbase/exceptions.py)OceanBaseError- Base exceptionOceanBaseConnectionError- Connection failures with host/port infoOceanBaseVectorDimensionError- Dimension mismatch with expected/actual valuesOceanBaseIndexError- Index operation failuresOceanBaseVersionError- Version compatibility issuesOceanBaseConfigurationError- Invalid configuration with valid values hint2. Improved error messages in:
vectorstores.py- Parameter validation, feature enablement hintsai_functions.py- Version requirements, model configuration hintscheckpointer.py- Connection error handling3. Troubleshooting section in README.md
4. Unit tests (
tests/unit_tests/test_exceptions.py)