What's Changed

Exciting New Features ✨

• feat: setting for table lock, by default enabled by @dantengsky in #12066
• feat: add get_drop_table_infos and gc_drop_tables API by @lichuang in #12060
• feat: make the system.query_log distributed by @BohuTANG in #12077

Thoughtful Bug Fix 🔧

• fix: try to fix distributed pipeline error mechanism bug by @JackTan25 in #12068

Code Refactor 🎉

• refactor: make it easier to deal with commit conflict by @SkyFan2002 in #11894
• refactor(query): improve json_path_query by @Dousir9 in #12069

Documentation 📔

• docs: SQL Conformance by @soyeric128 in #12073

Others 📒

• chore: add metrics for refresh index by @ariesdevil in #12063
• chore(query): make flight sql service exit stream if error happens by @sundy-li in #12071
• chore(query): first call to exchange manager on finished method by @zhang2014 in #12072
• chore: remove unused code by @lichuang in #12076
• chore(executor): wake up upstream while executing async event by @zhang2014 in #12078

Full Changelog: https://github.com/datafuselabs/databend/compare/v1.2.19-nightly...v1.2.20-nightly