Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22171#discussion_r211682187
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/types/Decimal.scala ---
@@ -197,7 +197,7 @@ final class Decimal extends Ordered[Decimal] with
Serializable {
}
}
- override def toString: String = toBigDecimal.toString()
+ override def toString: String = toBigDecimal.bigDecimal.toPlainString()
--- End diff --
Yea, I was wondering `0E-7` vs `0.0000000`. Looks Postgres follows
`0.0000000` way, right?
cc @mengxr, it vaguely remember that I saw something you said about `0E-7`
expression before. Please ignore me if I am wrongly remembering this.
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