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feat: support tencent cos #5740

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feat: support tencent cos #5740

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@ztorchan ztorchan commented Jan 17, 2026 •
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close #5726

@github-actions github-actions bot added the enhancement New feature or request label Jan 17, 2026
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ztorchan commented Jan 17, 2026

Current support for COS still has room for improvement.

The options for CosConfig in opendal are very limited, so we need to set the disable_config_load option to false to load more configurations from environment variables, such as TENCENTCLOUD_SECURITY_TOKEN and TENCENTCLOUD_REGION.

Next, we need to improve opendal's support for COS configuration and improve lance accordingly.

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ztorchan commented Jan 17, 2026

Hi, @Xuanwo , please review this PR when you have time, thanks a lot

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codecov bot commented Jan 17, 2026

Codecov Report

❌ Patch coverage is 36.00000% with 16 lines in your changes missing coverage. Please review.

Files with missing lines Patch % Lines
rust/lance-io/src/object_store/providers/cos.rs 30.43% 16 Missing ⚠️

📢 Thoughts on this report? Let us know!

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Support Tencent Cloud COS in Lance

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