mybatis oracle 序列自增与 uuid生成

select sys_guid() from dual

INSERT INTO
T_USER(USER_ID,USER_NAME,EMAIL,LOGIN_PASSWORD, USER_STATUS) values
(
#{userId,jdbcType=VARCHAR},
#{userName,jdbcType=VARCHAR},
#{email,jdbcType=VARCHAR},
#{loginPassword,jdbcType=VARCHAR},
'A')

SELECT SEQ_POLICY_ID.nextval as policy_id FROM DUAL

insert into T_POLICY (POLICY_ID, POLICY_NUMBER, INSURED,
ORG_CODE, COUNT, TELEPHONE,
STATUS, UPLOAD)
values (#{policy_id,jdbcType=DECIMAL}, #{policy_number,jdbcType=VARCHAR}, #{insured,jdbcType=VARCHAR},
#{org_code,jdbcType=VARCHAR}, #{count,jdbcType=DECIMAL}, #{telephone,jdbcType=VARCHAR},
#{status,jdbcType=VARCHAR}, #{upload,jdbcType=VARCHAR})