v0.6.39-nightly

What's Changed

Bug Fixes

• Support escape \t \n for field_delimitor & record_delimitor (#3923) by @sundy-li

Build/Testing/CI

• [common/tracing] test: add span logging for metasrv (#3920) by @drmingdrmer

Improvement

• Refine mysql hints on server startup (#3921) by @TennyZhuang
• ISSUE-3906: Add partitions_scanned and partitions_total to planner statistics (#3909) by @BohuTANG
• [common/tracing] test: add span logging for metasrv (#3920) by @drmingdrmer
• [RFC] ISSUE-3379 New processor framework (#3380) by @zhang2014

Others

• Support escape \t \n for field_delimitor & record_delimitor (#3923) by @sundy-li
• Refine mysql hints on server startup (#3921) by @TennyZhuang
• [common/tracing] test: add span logging for metasrv (#3920) by @drmingdrmer
• [RFC] ISSUE-3379 New processor framework (#3380) by @zhang2014