使用1.b.53的时候，报这样的错
**2016-06-01 15:26:45,598 com.alibaba.druid.filter.stat.StatFilter.mergeSql(StatFilter.java:147) ERROR - merge sql error, dbType jtds, sql :
ALTER TABLE ADD COLUMN area_id VARCHAR(50);
com.alibaba.druid.sql.parser.ParserException: syntax error, error in :' ADD COLUMN area_id VARCHAR(50);',expect COLUMN, actual COLUMN COLUMN
**
使用1.r.56.r3的时候，报这样的错
2016-06-01 15:28:33,573 com.alibaba.druid.filter.stat.StatFilter.mergeSql(StatFilter.java:147) ERROR - merge sql error, dbType jtds, sql :
show index from biz_person
com.alibaba.druid.sql.parser.ParserException: syntax error, error in :'show index from biz_person',expect IDENTIFIER, actual IDENTIFIER show