HyukjinKwon commented on code in PR #36545:
URL: https://github.com/apache/spark/pull/36545#discussion_r874336689
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -3758,6 +3758,15 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val LEGACY_INFER_ARRAY_TYPE_FROM_FIRST_ELEMENT =
+
buildConf("spark.sql.pyspark.legacy.inferArrayTypeFromFirstElement.enabled")
+ .doc("PySpark's SparkSession.createDataFrame infers the element type of
an array from all " +
+ "values in the array by default. If this config is set to true, it
restores the legacy " +
+ "behavior of only inferring the type from the first array element.")
+ .version("3.3.0")
Review Comment:
```suggestion
.version("3.4.0")
```
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