[GitHub] [incubator-iotdb] qiaojialin commented on a change in pull request #865: Several fixes.

[GitBox <gi...@apache.org>]

qiaojialin commented on a change in pull request #865: Several fixes.
URL: https://github.com/apache/incubator-iotdb/pull/865#discussion_r386451156
 
 

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 File path: grafana/src/main/java/org/apache/iotdb/web/grafana/dao/impl/BasicDaoImpl.java
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 @@ -104,9 +103,10 @@ public Object doInConnection(Connection connection) throws SQLException {
   public List<TimeValues> querySeries(String s, Pair<ZonedDateTime, ZonedDateTime> timeRange) {
     Long from = zonedCovertToLong(timeRange.left);
     Long to = zonedCovertToLong(timeRange.right);
-    String sql = "SELECT " + s.substring(s.lastIndexOf('.') + 1) + " FROM root."
-        + s.substring(0, s.lastIndexOf('.')) + " WHERE time > " + from * TIMESTAMP_RADIX
-        + " and time < " + to * TIMESTAMP_RADIX;
+    // How many rows will the result have?
 
 Review comment:
   do you want to get the precise result or a fuzy one?

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