What's Changed

Exciting New Features ✨

• feat(sqlsmith): Support generate merge into by @b41sh in #13300
• feat(query): add string function: split and split_part by @TCeason in #13303
• feat: impl create task sql parser and planner by @ZhiHanZ in #13316
• feat: EMPTY as default for TSV and NDJSON. by @youngsofun in #13321

Thoughtful Bug Fix 🔧

• fix(query): fix decimal overflow check by @sundy-li in #13292
• fix(query): modify split & split_part by @TCeason in #13311

Build/Testing/CI Infra Changes 🔌

• ci: ignore test_query_log_killed. by @youngsofun in #13325

Documentation 📔

• docs: Update index.md by @wubx in #13306
• docs: fuse_encoding by @soyeric128 in #13307
• docs: update databend version in which kv_read_v1() -> Stream is added by @drmingdrmer in #13315
• docs: external functions by @soyeric128 in #13320

Others 📒

• chore: adjust table data cache population queue size by @dantengsky in #12773
• chore: add partition check before build pipeline by @zhyass in #13317
• chore(query): using Bitmap::new_constant to replace constant_bitmap and extend_constant by @Dousir9 in #13309
• chore(query): refactor Agg refactor state by @sundy-li in #13313

Full Changelog: https://github.com/datafuselabs/databend/compare/v1.2.163-nightly...v1.2.164-nightly