Github user dkhwangbo commented on a diff in the pull request:
https://github.com/apache/tajo/pull/858#discussion_r46547915
--- Diff:
tajo-catalog/tajo-catalog-server/src/test/java/org/apache/tajo/catalog/TestCatalog.java
---
@@ -274,10 +274,8 @@ public void testDropDatabaseWithAllTables() throws
Exception {
Map<String, List<String>> createdTablesMap =
createBaseDatabaseAndTables();
// Each time we drop one database, check all databases and their
tables.
- Iterator<String> it = new
ArrayList<>(createdTablesMap.keySet()).iterator();
- while(it.hasNext()) {
+ for (String databaseName : new ArrayList<>(createdTablesMap.keySet()))
{
--- End diff --
Oh, I found that my above comment has no relation about this issue.
Creation of this array is needed because of 284 line in same file.
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