YannByron commented on code in PR #6136:
URL: https://github.com/apache/paimon/pull/6136#discussion_r2298291897
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paimon-spark/paimon-spark-ut/src/test/scala/org/apache/paimon/spark/sql/MergeIntoTableTestBase.scala:
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@@ -135,6 +135,103 @@ abstract class MergeIntoTableTestBase extends
PaimonSparkTestBase with PaimonTab
}
}
+ test(s"Paimon MergeInto: partial insert with null") {
+ withTable("source", "target") {
+
+ Seq((1, 100, "c11"), (3, 300, "c33")).toDF("a", "b",
"c").createOrReplaceTempView("source")
+
+ createTable("target", "a INT, b INT, c STRING", Seq("a"))
+ spark.sql("INSERT INTO target values (1, 10, 'c1'), (2, 20, 'c2')")
+
+ spark.sql(s"""
+ |MERGE INTO target
+ |USING source
+ |ON target.a = source.a
+ |WHEN NOT MATCHED
+ |THEN INSERT (a) values (a)
+ |""".stripMargin)
+
+ checkAnswer(
+ spark.sql("SELECT * FROM target ORDER BY a, b"),
+ Row(1, 10, "c1") :: Row(2, 20, "c2") :: Row(3, null, null) :: Nil)
+ }
+ }
+
+ test(s"Paimon MergeInto: update + partial insert with null") {
+ withTable("source", "target") {
+
+ Seq((1, 100, "c11"), (3, 300, "c33")).toDF("a", "b",
"c").createOrReplaceTempView("source")
+
+ createTable("target", "a INT, b INT, c STRING", Seq("a"))
+ spark.sql("INSERT INTO target values (1, 10, 'c1'), (2, 20, 'c2')")
+
+ spark.sql(s"""
+ |MERGE INTO target
+ |USING source
+ |ON target.a = source.a
+ |WHEN MATCHED THEN
+ |UPDATE SET a = source.a, b = source.b, c = source.c
+ |WHEN NOT MATCHED
+ |THEN INSERT (a) values (a)
+ |""".stripMargin)
+
+ checkAnswer(
+ spark.sql("SELECT * FROM target ORDER BY a"),
+ Row(1, 100, "c11") :: Row(2, 20, "c2") :: Row(3, null, null) :: Nil)
+ }
+ }
+
+ test(s"Paimon MergeInto: partial insert with default value") {
+ if (gteqSpark3_4) {
Review Comment:
Please comment here to explain why need spark 3.4+ for default value.
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