添加方法

src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java

@@ -808,6 +808,21 @@ public class InfluxQueryWrapper {
         selectColumns.add(selectFragment);
         return this;
     }
+    public <T, R> InfluxQueryWrapper percentile(String columnName, int percent) {
+        String selectFragment = InfluxDbSqlConstant.PERCENTILE +
+                InfluxDbSqlConstant.LBK +
+                InfluxDbSqlConstant.DQM +
+                columnName +
+                InfluxDbSqlConstant.DQM +
+                StrPool.COMMA +
+                percent +
+                InfluxDbSqlConstant.RBK +
+                InfluxDbSqlConstant.AS +
+                columnName +
+                StrPool.C_SPACE;
+        selectColumns.add(selectFragment);
+        return this;
+    }
 
     /**************************自定义查询条件，比如between、>、<、=、>=、<=等等**************************/