akkio-97 commented on a change in pull request #4129:
URL: https://github.com/apache/carbondata/pull/4129#discussion_r638746382
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File path:
integration/spark/src/test/scala/org/apache/spark/carbondata/restructure/vectorreader/AlterTableColumnRenameTestCase.scala
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@@ -48,6 +52,262 @@ class AlterTableColumnRenameTestCase extends QueryTest with
BeforeAndAfterAll {
sql("drop table simple_table")
}
+ test("Rename more than one column at a time in one operation") {
+ sql("drop table if exists test_rename")
+ sql("CREATE TABLE test_rename (str struct<a:struct<b:int, d:int>, c:int>)
STORED AS carbondata")
+ sql("insert into test_rename
values(named_struct('a11',named_struct('b2',12,'d',12), 'c', 12))")
Review comment:
Insertion is done in order to test the query flow part. Where
Table-column is matched with the Query-column. Also in this test case we have
multiple rename operations, which is prone to throw errors. So I suggest
letting them be.
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