HASH分区
create table t (
uid int not null,
dt date
)
UPARTITION BY HASH(uid)
UPARTITIONS 8;
Hash分区字段，除了int类型外，还可以是varchar或char类型：
create table t (
uid int not null,
name varchar(128)
)
UPARTITION BY HASH(name)
UPARTITIONS 8;
create table t (
uid int not null,
dt date
)
UPARTITION BY HASH(uid)
UPARTITIONS 8;
Hash分区字段，除了int类型外，还可以是varchar或char类型：
create table t (
uid int not null,
name varchar(128)
)
UPARTITION BY HASH(name)
UPARTITIONS 8;