v1.2.921-nightly

What's Changed

Accepted RFCs 🛫

• rfc: KLL based analyze histogram generation by @KKould in #20009

Exciting New Features ✨

• feat: distribute multi-table insert writes by @SkyFan2002 in #20005
• feat(query): add clustering depth percentiles and optimize overlap an… by @zhyass in #20023
• feat(query): support KLL analyze histograms by @KKould in #20014

Thoughtful Bug Fix 🔧

• fix: avoid invalid semi join rewrite for partial group keys by @KKould in #20006
• fix(query): preserve spilled result page across restore cancellation by @YZL0v3ZZ in #20016
• fix(storage): adjust proxy route cost by @KKould in #20017
• fix(query): make metadata$filename stage-relative for csv/text/ndjson/avro by @youngsofun in #20012
• fix(functions): respect tdigest weighted state weight by @forsaken628 in #19952

Code Refactor 🎉

• refactor(functions): Optimize jq function performance by @b41sh in #19946
• refactor: optimize mysql connection handling by @dantengsky in #19294
• refactor: add MetaServiceKeyErrorBuilder for meta keys by @drmingdrmer in #20030
• refactor: meta: split key error builders by @drmingdrmer in #20032
• refactor: meta: reorganize txn fetched records by @drmingdrmer in #20033

Build/Testing/CI Infra Changes 🔌

• ci: improve the benchmarking report to include more details by @forsaken628 in #19994
• ci: simplify shell_env.sh with BENDSQL_ERROR_NO_VERSION by @youngsofun in #20018

Others 📒

• chore(query): Copy into arrow support Array type cast to Vector type by @b41sh in #20013

New Contributors

• @YZL0v3ZZ made their first contribution in #20016

Full Changelog: v1.2.920-nightly...v1.2.921-nightly