gengliangwang commented on code in PR #37431:
URL: https://github.com/apache/spark/pull/37431#discussion_r944674301
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -2924,6 +2924,18 @@ object SQLConf {
.stringConf
.createWithDefault("csv,json,orc,parquet")
+ val DEFAULT_COLUMN_JSON_GENERATOR_FORCE_NULL_FIELDS =
+ buildConf("spark.sql.defaultColumn.jsonGeneratorForceNullFields")
Review Comment:
Since we have a conf `spark.sql.jsonGenerator.ignoreNullFields` already, I
suggest making this one a JSON data source configuration as well. How about
`spark.sql.jsonGenerator.writeNullIfWithDefaultValue`?
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