[ERROR] 2017-11-30 15:39:44,724 com.alibaba.druid.filter.stat.StatFilter.mergeSql(StatFilter.java:147) - merge sql error, dbType oracle, sql : select CONNECT_BY_ROOT(su1.unitcode) from sys_unit su1 where EXISTS (select 1 from sys_user suu where su1.id=suu.unitid and suu.id='fd6c239347dc46f896a96ca54e63bc9d') start with su1.type='sch' connect by prior  su1.id=su1.parentid
com.alibaba.druid.sql.parser.ParserException: TODO : DOT su1
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser.parseStatementList(OracleStatementParser.java:462)
	at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:79)
	at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:74)
	at com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils.parameterize(ParameterizedOutputVisitorUtils.java:50)