sadikovi commented on code in PR #38784:
URL: https://github.com/apache/spark/pull/38784#discussion_r1031065321
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3629,6 +3629,15 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val JSON_ENABLE_PARTIAL_RESULTS =
+ buildConf("spark.sql.json.enablePartialResults")
+ .internal()
+ .doc("When set to true, enables partial results for structs, maps, and
arrays in JSON " +
+ "when one or more fields do not match the schema")
+ .version("3.4.0")
+ .booleanConf
+ .createWithDefault(false)
Review Comment:
I am still debating whether to keep this as `true` or `false`. On one hand,
when enabled, it fixes the correctness issue of partially parsing JSON records.
When disabled, it could cause performance issues (impact is yet to be
confirmed).
@MaxGekk I would love to know your thoughts on this. I would prefer to keep
it enabled until the benchmark is produced that shows the regression.
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