gerashegalov commented on code in PR #43880:
URL: https://github.com/apache/spark/pull/43880#discussion_r1401056227
##########
sql/core/src/test/scala/org/apache/spark/sql/MathFunctionsSuite.scala:
##########
@@ -262,6 +262,17 @@ class MathFunctionsSuite extends QueryTest with
SharedSparkSession {
}
}
+ test("SPARK-44973: conv must allocate enough space for all digits plus
negative sign") {
+ withSQLConf(SQLConf.ANSI_ENABLED.key -> false.toString) {
+ val df = Seq(
+ ((BigInt(Long.MaxValue) + 1).toString(16)),
+ (BigInt(Long.MinValue).toString(16))
Review Comment:
+1 for the lack of documentation on the Spark side, I think it is
historically borrowed from MySQL via Hive.
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