justaparth commented on code in PR #41108:
URL: https://github.com/apache/spark/pull/41108#discussion_r1189463819
##########
connector/protobuf/src/test/scala/org/apache/spark/sql/protobuf/ProtobufFunctionsSuite.scala:
##########
@@ -1531,6 +1531,47 @@ class ProtobufFunctionsSuite extends QueryTest with
SharedSparkSession with Prot
}
}
+ test("test unsigned integer types") {
+ // The java type for uint32 and uint64 is signed integer and long
respectively.
+ // Let's check that we're converting correctly
+ val sample = spark.range(1).select(
+ lit(
+ SimpleMessage
+ .newBuilder()
+ .setUint32Value(Integer.MIN_VALUE)
+ .setUint64Value(Long.MinValue)
+ .build()
+ .toByteArray
+ ).as("raw_proto"))
+
+ val expected = spark.range(1).select(
+
lit(Integer.toUnsignedLong(Integer.MIN_VALUE).longValue).as("uint32_value"),
Review Comment:
using MIN_VALUE as its all 1s in binary and is the largest possible number
if its interpreted as "unsigned"
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