v0.9.50-nightly

What's Changed

Exciting New Features ✨

• feat(query): Support query result cache system table and table function by @ariesdevil in #10159
• feat(expression): support map data type by @b41sh in #10152
• feat(website): update website index styles by @Carlosfengv in #10175

Thoughtful Bug Fix 🔧

• fix(meta): when starting up, it should not try to register until leader node to be sync-ed to local store by @drmingdrmer in #10194

Code Refactor 🎉

• refactor(cluster): support efficiently memory aggregate for cluster mode by @zhang2014 in #10151

Documentation 📔

• docs(weekly): add this week in databend 82 by @PsiACE in #10198

New Contributors

• @Carlosfengv made their first contribution in #10175

Full Changelog: v0.9.49-nightly...v0.9.50-nightly