ajantha-bhat commented on a change in pull request #3504: [CARBONDATA-3614] Support Alter table properties set/unset for longstring columns
URL:
https://github.com/apache/carbondata/pull/3504#discussion_r355808850
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File path: integration/spark-common-test/src/test/scala/org/apache/carbondata/spark/testsuite/longstring/VarcharDataTypesBasicTestCase.scala
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@@ -191,6 +191,29 @@ class VarcharDataTypesBasicTestCase extends QueryTest with BeforeAndAfterEach wi
assert(exceptionCaught.getMessage.contains("both in no_inverted_index and long_string_columns"))
}
+ test("test alter table add long string columns with local dictionary") {
+ sql("drop table if exists testlongstring")
+ sql(
+ s"""
+ | CREATE TABLE if not exists testlongstring(id INT, name STRING, description STRING
+ | ) STORED BY 'carbondata'
+ |""".stripMargin)
+ sql("insert into testlongstring select 1, 'ab', 'cool'")
+ checkAnswer(sql("select * from testlongstring"), Seq(Row(1, "ab", "cool")))
+ checkExistence(sql("describe formatted testlongstring"), false, "long_string_columns")
+ //Alter table add table property of long string columns
+ sql("ALTER TABLE testlongstring SET TBLPROPERTIES('long_String_columns'='name,description')")
+ sql("insert into testlongstring select 1, 'ab1', 'not cool'")
Review comment:
I have verified with long string, generating longstring also takes some time. so I didn't wanted to impact CI running time.
I will add for 33000 length, which is greater than short
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