v1.2.259-nightly

What's Changed

Exciting New Features ✨

• feat(query): add decimal round/truncate/ceil/floor function by @sundy-li in #14040

Code Refactor 🎉

• refactor: abstract a common merger to do merge sort. by @RinChanNOWWW in #14020

Full Changelog: v1.2.257-nightly...v1.2.259-nightly