HyukjinKwon commented on a change in pull request #27759:
[SPARK-31008][SQL]Support json_array_length function
URL: https://github.com/apache/spark/pull/27759#discussion_r387370446
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File path: sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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@@ -3954,6 +3954,17 @@ object functions {
def to_json(e: Column): Column =
to_json(e, Map.empty[String, String])
+ /**
Review comment:
Let's don't add it here per
https://github.com/apache/spark/blob/d8ec9504e27a4097d7b0997d5601105607f26dec/sql/core/src/main/scala/org/apache/spark/sql/functions.scala#L42-L60
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