postgresql自增id

drop index Ix_product_define_id;

drop index Ix_user_umid;

drop table invims_product_attention;

/*==============================================================*/

/* Table: invims_product_attention */

/*==============================================================*/

create false table invims_product_attention (

product_attention_id SERIAL not null,

user_umid VARCHAR(100) not null,

product_define_id VARCHAR(64) not null,

product_code VARCHAR(24) not null,

date_created TIMESTAMP not null,

date_updated TIMESTAMP not null,

attention_status INT4 not null,

constraint PK_INVIMS_PRODUCT_ATTENTION primary key (product_attention_id)

);

comment on table invims_product_attention is

'产品360_关注';

comment on column invims_product_attention.product_attention_id is

'关注的id';

comment on column invims_product_attention.product_define_id is

'产品的主键id';

comment on column invims_product_attention.product_code is

'产品编码';

comment on column invims_product_attention.date_created is

'创建时间';

comment on column invims_product_attention.date_updated is

'更新时间';

comment on column invims_product_attention.attention_status is

'关注状态：0 取消关注 1 已关注';

/*==============================================================*/

/* Index: Ix_user_umid */

/*==============================================================*/

create index Ix_user_umid on invims_product_attention (

user_umid

);

/*==============================================================*/

/* Index: Ix_product_define_id */

/*==============================================================*/

create index Ix_product_define_id on invims_product_attention (

product_define_id

);

-- 创建sequence 序列,从1开始每次递增1，param_invims_product_attention_seq 是名称，不能重复

create sequence param_invims_product_attention_seq start with 1 incrementby 1 no minvalue no maxvalue cache;

-- product_attention_id 为自增的列

alter tale public.invims_product_attention alter column product_attention_id set default nextval('param_invims_product_attention_seq')