Databend Dev Blog

  Databend  aimed to be an open source  elastic  and  reliable  cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don't want you to miss. Features support add api and support local deployment with a singe line of code  by  @ZhiHanZ . ( #2644 ) add system.columns table  by  @flaneur2020 . ( #2624 ) support create user  by  @BohuTANG  ( #2646 ) add system users table  by  @GrapeBaBa  ( #2684 ) add show uses statement  by  @Junnplus . ( #2694 ) add join API to join a node to cluster  by  @drmingdrmer  ( #2701 ) support graceful shutdown in metasrv  by  @sunisdown . ( #2699 ) add math functions degress / radians  by  @Junnplus  ( #2643 ) log / ln / log2 / log10  by  @flaneur2020  ( #2669  &...

  Databend  aimed to be an open source  elastic  and  reliable  cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features bendctl: support up api for demo  by  @ZhiHanZ . ( #2488 ) raft-store: add Cmd::UpsertTableOptions  by  @drmingdrmer  ( #2521 ) run query with a embedded meta-store  by  @drmingdrmer  ( #2534 ) sqlparser: support create user statement  by  @GrapeBaBa  ( #2550 ) add top_n plan optimizer  by  @junli1026  ( #2515 ) add endpoint url param for s3 dal  by  @dantengsky . ( #2555 ) add basic data loading api  by  @ZhiHanZ . ( #2611 ) add math functions pi / crc32 / trigonometric  by  @Junnplus  ( #2584 ,  #2610 ,  #2616 ) abs  by  @flaneur2020  ( ...

Databend  aimed to be an open source  elastic  and  reliable  cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features add system.metrics table  by  @flaneur2020 . ( #2349 ) a simple rest api (http handler) for query  by  @youngsofun . ( #2379 ) new features for cli  by  @ZhiHanZ , like support admin and sql mode in interactive scenario  ( #2448 ) query via http  ( #2417 ) Improvement add tokio runtime memory tracker  by  @zhang2014 . ( #2356 ) enable VerifiableExpression in fuse table  by  @dantengsky . ( #2369 ) remote backend for fuse table  by  @dantengsky . ( #2355 ) move some cli commands from sync to async  by  @yufan022  ( #2297 ) store TableInfo to sled tree  by  @ariesdevil . ( #2387 ) a...

Databend   aimed to be an open source   elastic   and   reliable   cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features new features for cli  by  @ZhiHanZ , like support mirror  ( #2267 ) support query  ( #2323 ) store Database in sled  by  @drmingdrmer  ( #2237 ) add RangeFilter for index pruning  by  @zhyass . ( #2256 ) add mem alloc and derive macro  by  @Veeupup . ( #2299 ) add toHour/toMinute/ToSecond   @GrapeBaBa  ( #2309 ) add toMonday function  by  @sundy-li . ( #2317 ) add azure blob DAL  by  @junli1026  ( #2330 ) Improvement fuse table append/read (local mode only)  by  @dantengsky . ( #2214 ) store StateMachine::client_last_resp in sled::Tree  by  @ariesdevil . ( #222...

Databend  aimed to be an open source  elastic  and  reliable  cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features new features for cli  by  @ZhiHanZ , like local profile for meta service bootstrap  ( #1981 ) auto complete scripts  ( #2171 ) add aggregate covariance functions  by  @junli1026  ( #2042 ) cast functions between String and Date16/Date32/DateTime32  by  @sundy-li . ( #2075 ) Improvement support remove constant conditions  by  @zhyass . ( #2177 ) add filter block to data_blocks kernels  by  @zhang2014 . ( #2114 ) impl table with embedded TableInfo  by  @drmingdrmer  ( #2178 ) use TableIOContext as argument instead of DatabendQueryContext  by  @drmingdrmer  ( #2111 ) col encoding map...