In ADB, this parameter specifies the number of values stored in each block in columnar storage, which is also the minimum I/O unit. GaussDB(DWS does not support table definition modification using this attribute. DSC will delete the keyword during migration.
Input
drop table if exists unsupport_parse_test; create table `unsupport_parse_test` ( `username` int, `update` timestamp not null default current_timestamp on update current_timestamp , clustered key clustered_key(shopid ASC, datetype ASC) )BLOCK_SIZE = 1024 index_ALL = 'y'; drop table if exists unsupport_parse_test;
Output
DROP TABLE IF EXISTS "public"."unsupport_parse_test"; CREATE TABLE "public"."unsupport_parse_test" ( "username" INTEGER, "update" TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP ) WITH (ORIENTATION = ROW, COMPRESSION = NO) NOCOMPRESS DISTRIBUTE BY HASH ("username"); DROP TABLE IF EXISTS "public"."unsupport_parse_test";