[GitHub] [incubator-iotdb] samperson1997 commented on a change in pull request #435: [IOTDB-174] Fix querying timeseries interface cannot make a query by the specified path prefix

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samperson1997 commented on a change in pull request #435: [IOTDB-174] Fix querying timeseries interface cannot make a query by the specified path prefix
URL: https://github.com/apache/incubator-iotdb/pull/435#discussion_r337003272
 
 

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 File path: server/src/main/java/org/apache/iotdb/db/metadata/MTree.java
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 @@ -782,20 +783,28 @@ private void findStorageGroup(MNode node, String path, HashSet<String> res) {
    *
    * @return a list contains all distinct devices
    */
-  Set<String> getAllDevices() {
-    return new HashSet<>(getNodesList(3));
+  Set<String> getAllDevices() throws SQLException {
+    return new HashSet<>(getNodesList("root",2));
 
 Review comment:
   Hi, terribly sorry for the late reply, and I’m responsible for this issue. Do you think it is necessary to add a new param `String schemaPattern` for method `Set<String> getAllDevices()`  as well?
   

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