What's Changed

Exciting New Features ✨

• feat: support sample for table scan by @xudong963 in #16216
• feat(meta): Support create dictionary meta api by @Winnie-Hong0927 in #16178
• feat: auth by refresh and session tokens. by @youngsofun in #16220
• feat: http handler support set variable. by @youngsofun in #16239
• feat(query): support json_object_agg function by @b41sh in #16238
• feat: support block level table sample by @xudong963 in #16237
• feat(query): add identifier function from session variable by @sundy-li in #16264

Thoughtful Bug Fix 🔧

• fix(query): cume_dist() always return unbounded frame by @TCeason in #16242
• fix(query): fix alter user set MUST_CHANGE_PASSWORD by @b41sh in #16243

Code Refactor 🎉

• refactor(query): remove cache solt by @zhang2014 in #16233
• refactor: optimize share table performance by @lichuang in #16218
• refactor(query): don't retry transform on each block by @sundy-li in #16235
• refactor(metactl): change to subcommands & support transfer-leader by @everpcpc in #16254
• refactor(deps): Bump OpenDAL and other crates by @Xuanwo in #16251
• refactor(query): remove named cache by @zhang2014 in #16245
• refactor(query): decrease information_schema.tables call union by @TCeason in #16246
• refactor: introduce new method accurate_columns_ranges to Table by @dantengsky in #16247

Others 📒

• chore: remove admin api for testing for old version SM by @drmingdrmer in #16236
• chore: disable table info refreshing for ai_to_sql by @dantengsky in #16240
• chore: impl Display for LicenseInfo and JWTClaims<T> by @drmingdrmer in #16244
• chore: update command for metactl in tests by @everpcpc in #16263
• chore: more logs for attached table refreshing by @dantengsky in #16261
• chore: refactoring some functions by @b41sh in #16265
• chore: comment out fake_time test by @dantengsky in #16269
• chore(query): revert #16192 by @Dousir9 in #16271

Full Changelog: https://github.com/datafuselabs/databend/releases/tag/v1.2.615