Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20023#discussion_r161309046
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -1048,6 +1048,16 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val DECIMAL_OPERATIONS_ALLOW_TRUNCAT =
+ buildConf("spark.sql.decimalOperations.allowTruncat")
--- End diff --
thanks. This is what @cloud-fan suggested. Actually we are not truncating,
but rounding. Personally, I'd prefer `allowPrecisionLoss`, but I am fine with
any value. WDYT @cloud-fan @gatorsmile?
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