v1.2.271-nightly

What's Changed

Exciting New Features ✨

• feat: support to build DAG on task DDL by @ZhiHanZ in #14141
• feat: copy from parquet support missing_field_as. by @youngsofun in #14149

Thoughtful Bug Fix 🔧

• fix: hash join hang by @xudong963 in #14157

Code Refactor 🎉

• refactor: make sync agg index default by @ariesdevil in #14140
• refactor: delegate backoff handling to Openraft by @drmingdrmer in #14154

Others 📒

• chore(expr): cleanup code for kernels/group_by by @andylokandy in #14136
• chore: remove the unused setting:enable_recluster_after_write by @bohutang in #14146
• chore(query): virtual columns not pushdown if not created by @b41sh in #14147

Full Changelog: v1.2.270-nightly...v1.2.271-nightly