v0.8.40-nightly

What's Changed

Exciting New Features ✨

• feat(planner): support independent right join by @xudong963 in #7634
• feat(query): fix setting value as_string by @sundy-li in #7718
• feat: idempotent-copy file by @lichuang in #7719

Thoughtful Bug Fix 🔧

• fix(settings): fix server hang when concurrent requests http auth by @zhang2014 in #7733

Code Refactor 🎉

• refactor: Cleanup planner to make space for saying goodbye by @Xuanwo in #7711
• refactor: Use String to replace Expression in DeletePlan by @Xuanwo in #7716
• refactor(processor): save pipeline executor into query context by @zhang2014 in #7722

Build/Testing/CI Infra Changes 🔌

• ci: Add fuse_compat into mergify check list by @Xuanwo in #7709
• ci: release databend meta image with metactl by @everpcpc in #7714

Documentation 📔

• docs(meta/errors): explain relationship between various error types in meta-store by @drmingdrmer in #7695
• docs: add sql dialect by @soyeric128 in #7734

Full Changelog: v0.8.39-nightly...v0.8.40-nightly