holdenk commented on a change in pull request #24051: [SPARK-26879][SQL]
Standardize one-based column indexing for stack and json_tuple function
URL: https://github.com/apache/spark/pull/24051#discussion_r283009776
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -141,6 +141,13 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
Row("1", 1) :: Row("2", 1) :: Row("3", 1) :: Nil)
}
+ test("SPARK-26879 Standardize One-Based column indexing for stack and
json_tuple function") {
+ val dfstack = sql("SELECT stack(2, 1, 2, 3)")
+ assert(dfstack.columns(0) == "col1" && dfstack.columns(1) == "col2")
+ val dfjson_tuple = sql("SELECT json_tuple('{\"a\":1, \"b\":2}', 'a', 'b')")
+ assert(dfjson_tuple.columns(0) == "col1" && dfjson_tuple.columns(1) ==
"col2")
+ }
Review comment:
I think the test is not bad to have, this way if we change the behaviour in
the future unintentionally something will catch it.
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