关联拼接字段SQL

1.关联拼接字段，并换行

SELECT group_concat(FULLNAME SEPARATOR '\n') from lfcp_user;

2. 关联拼接字段，用逗号间隔

SELECT group_concat(FULLNAME) from lfcp_user;

3.类型转换

BUSINESS_ID是varchar,ID是decimal,需要函数转换：CAST(BUSINESS_ID as DECIMAL(32,0)) = CFBIZ_Loan_And_Loan.ID

4. 如果保存的是数据，需要查到包含其中一个的需要用

FIND_IN_SET('RZ',credit_type)"

5.日期相差

ChronoUnit.DAYS.between({{T(java.time.LocalDate).valueOf(2023-11-22)}},{{T(java.time.LocalDate).valueOf(2023-11-22)}})