Databend Dev Blog

Databend [1]  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  [NOT] IN (a, b, c, ...)  InList SQL  by  @Veeupup [2]  ( #3805 [3] ) Improvement • range filter support more multi-column expression scenarios  by  @zhyass [4] . ( #3851 [5] • refine the error code  by  @BohuTANG [6] . ( #3833 [7] ) • lower the memory usage of BlockStreamWriter  by  @dantengsky [8] . ( #3818 [9] ) • manage role storage in metasrv  by  @flaneur2020 [10] . ( #3878 [11] ) Build/Test/CI • introduce databend Dev container  by  @ZhiHanZ [12] . ( #3853 [13] ) • use peotry to manage all python packages  by  @Xuanwo [14] . ( #3902 [15] ) Bug fixes • fix bug that list_...

Databend [1]  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 user defined function  by  @lianghanzhen [2] • support user defined function ( #3655 [3] ) • alter function feature ( #3670 [4] ) • support expression as definition ( #3684 [5] ) • add new planner framework  by  @leiysky [6]  ( #2983 [7] ) • add more strings functions • CHAR  by  @BlackSmith96 [8]  ( #3552 [9] , merging in  #3644 [10]  by  @sundy-li [11] ) Improvement • add new ArrayBuilder & Improve merge result  by  @Veeupup [12]  ( #3665 [13] ) • add DataTypeAndNullable  by  @zhang2014 [14]  ( #3658 [15] ) • support append columns in create table as select  by...

Databend [1]  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 • meta support multi-tenant  by  @ariesdevil [2] . ( #3790 [3] ) • support USE TENANT 'tenant_id'  by  @BohuTANG [4] . ( #3793 [5] ) • add priv check  by  @flaneur2020 [6] . ( #3710 [7] ) Improvement • range filter support multi-column expression  by  @zhyass [8] . ( #3835 [9] • refine transaction impl  by  @ariesdevil [10] . ( #3837 [11] ) • add storage configs to system.configs  by  @lianghanzhen [12] . ( #3822 [13] ) • split the apply_cmd function to sub functions  by  @lichuang [14] . ( #3831 [15] ) • refine cache  by  @dantengsky [16] . ( #3798 [17] ) • improve for expression monotonici...