com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalType.day

sql：

select to_char(SYSDATE - interval '1' day,'yyyyMMdd') from dual

错误信息：

Caused by: java.lang.IllegalArgumentException: No enum constant 
com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalType.day

druid版本：

<dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.29</version>
        </dependency>

解决办法：
day改为大写

select to_char(SYSDATE - interval '1' DAY,'yyyyMMdd') from dual

这里是低版本druid的bug