v0.8.123-nightly

What's Changed

Exciting New Features ✨

• feat(http handler): return num of rows of current page in header. by @youngsofun in #8864
• feat(http handler): make string_fields true by default. by @youngsofun in #8869
• feat: prune unused columns for union by @xudong963 in #8862
• feat: add distinct count aggregator and column distinct count by @lichuang in #8825
• feat(expression): Add methods to get memory size of ValueTypes. by @RinChanNOWWW in #8875
• feat(query): support unset settings by @TCeason in #8870

Code Refactor 🎉

• refactor(mem-tracker): send pointer addresses to mem tracker by @drmingdrmer in #8879
• refactor(mem-tracker): add StatBuffer to provide fine grained mem allocation stats buffer by @drmingdrmer in #8880

Documentation 📔

• docs(meta/cli): CLI commands to access databend-meta KVApi by @drmingdrmer in #8866
• docs(meta/cli): avoid using cli API if possible by @drmingdrmer in #8872

Full Changelog: v0.8.122-nightly...v0.8.123-nightly