[GitHub] arina-ielchiieva commented on a change in pull request #1527: DRILL-4456: Fix Hive translate UDF

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

arina-ielchiieva commented on a change in pull request #1527: DRILL-4456: Fix Hive translate UDF
URL: https://github.com/apache/drill/pull/1527#discussion_r231897328
 
 

 ##########
 File path: contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
 ##########
 @@ -119,10 +132,26 @@ public void register(DrillOperatorTable operatorTable) {
       nonDeterministicUDFs.add(clazz);
     }
 
+    names = renameUDF(names);
+
+    for (String name : names) {
+      methods.put(name.toLowerCase(), clazz);
+    }
+  }
 
-    for(int i=0; i<names.length;i++) {
-      methods.put(names[i].toLowerCase(), clazz);
+  /**
+   * Checks using predicate from {@link #FUNCTION_REPLACE_MAP}
+   * whether specified function names should be replaced
+   * with the names from the map.
+   */
+  private String[] renameUDF(String[] namesToCheck) {
 
 Review comment:
   Please add `@param` and `@return`.

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