v1.2.122-nightly

What's Changed

Exciting New Features ✨

• feat(sqlsmith): Support generate subquery and with clause by @b41sh in #12956
• feat: support star "*" for merge into by @JackTan25 in #12906

Thoughtful Bug Fix 🔧

• fix: purge oom by @zhyass in #12950
• fix: fix point_in_polygon function panic if a tuple has only one field by @ariesdevil in #12948
• fix: update session on each resp in sqllogic http client. by @youngsofun in #12952

Build/Testing/CI Infra Changes 🔌

• ci: add nextest to rust-tools.txt by @dantengsky in #12961

Documentation 📔

• docs: note about pattern in copy. by @youngsofun in #12951
• docs: nullable column in sql conformance by @soyeric128 in #12949
• docs: udf by @soyeric128 in #12938

Others 📒

• chore: move parquet_rs uts to databend-query::it by @dantengsky in #12954
• chore(sqlsmith): support select stmt having && modify some err msg by @TCeason in #12959

Full Changelog: v1.2.121-nightly...v1.2.122-nightly