k-rus commented on code in PR #4038:
URL: https://github.com/apache/cassandra/pull/4038#discussion_r2281837085


##########
src/java/org/apache/cassandra/schema/IndexMetadata.java:
##########
@@ -117,29 +114,25 @@ public static IndexMetadata 
fromIndexTargets(List<IndexTarget> targets,
     {
         Map<String, String> newOptions = new HashMap<>(options);
         newOptions.put(IndexTarget.TARGET_OPTION_NAME, targets.stream()
-                                                              .map(target -> 
target.asCqlString())
+                                                              
.map(IndexTarget::asCqlString)
                                                               
.collect(Collectors.joining(", ")));
         return new IndexMetadata(name, newOptions, kind);
     }
 
-    public static boolean isNameValid(String name)
-    {
-        return name != null && !name.isEmpty() && 
PATTERN_WORD_CHARS.matcher(name).matches();
-    }
-
     public static String generateDefaultIndexName(String table, 
ColumnIdentifier column)
     {
-        return PATTERN_NON_WORD_CHAR.matcher(table + "_" + column.toString() + 
"_idx").replaceAll("");
+        return PATTERN_NON_WORD_CHAR.matcher(table + '_' + column.toString() + 
"_idx").replaceAll("");
     }
 
     public static String generateDefaultIndexName(String table)
     {
-        return PATTERN_NON_WORD_CHAR.matcher(table + "_" + 
"idx").replaceAll("");
+        return PATTERN_NON_WORD_CHAR.matcher(table + "_idx").replaceAll("");

Review Comment:
   > so can you submit a new commit and just restore them to the original 
states?
   
   What do you mean? It's in a separate commit already. Do you want to change 
the order of the commits?



##########
src/java/org/apache/cassandra/schema/IndexMetadata.java:
##########
@@ -117,29 +114,25 @@ public static IndexMetadata 
fromIndexTargets(List<IndexTarget> targets,
     {
         Map<String, String> newOptions = new HashMap<>(options);
         newOptions.put(IndexTarget.TARGET_OPTION_NAME, targets.stream()
-                                                              .map(target -> 
target.asCqlString())
+                                                              
.map(IndexTarget::asCqlString)
                                                               
.collect(Collectors.joining(", ")));
         return new IndexMetadata(name, newOptions, kind);
     }
 
-    public static boolean isNameValid(String name)
-    {
-        return name != null && !name.isEmpty() && 
PATTERN_WORD_CHARS.matcher(name).matches();
-    }
-
     public static String generateDefaultIndexName(String table, 
ColumnIdentifier column)
     {
-        return PATTERN_NON_WORD_CHAR.matcher(table + "_" + column.toString() + 
"_idx").replaceAll("");
+        return PATTERN_NON_WORD_CHAR.matcher(table + '_' + column.toString() + 
"_idx").replaceAll("");
     }
 
     public static String generateDefaultIndexName(String table)
     {
-        return PATTERN_NON_WORD_CHAR.matcher(table + "_" + 
"idx").replaceAll("");
+        return PATTERN_NON_WORD_CHAR.matcher(table + "_idx").replaceAll("");

Review Comment:
   > so can you submit a new commit and just restore them to the original 
states?
   
   What do you mean? It's in a separate commit already. Do you want to suggest 
to change the order of the commits?



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