HyukjinKwon commented on a change in pull request #27774: [SPARK-31023][SQL]
Support foldable schemas by `from_json`
URL: https://github.com/apache/spark/pull/27774#discussion_r387357883
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/JsonFunctionsSuite.scala
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@@ -653,4 +653,18 @@ class JsonFunctionsSuite extends QueryTest with
SharedSparkSession {
assert(json_tuple_result === len)
}
}
+
+ test("support foldable schema by from_json") {
+ val options = Map[String, String]().asJava
+ val schema = regexp_replace(lit("dpt_org_id INT, dpt_org_city STRING"),
"dpt_org_", "")
Review comment:
Actually, I intentionally didn't make it foldable at that time because the
schema will be given as a string in almost all cases. I couldn't come up with
the case where the foldable expression is used.
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