cloud-fan commented on code in PR #45805: URL: https://github.com/apache/spark/pull/45805#discussion_r1555333257
########## sql/core/src/test/scala/org/apache/spark/sql/VariantSuite.scala: ########## @@ -298,4 +300,28 @@ class VariantSuite extends QueryTest with SharedSparkSession { } assert(ex.getErrorClass == "DATATYPE_MISMATCH.INVALID_ORDERING_TYPE") } + + test("variant_explode") { + def check(input: String, expected: Seq[Row]): Unit = { + withView("v") { + Seq(input).toDF("json").createOrReplaceTempView("v") + checkAnswer(sql("select pos, key, to_json(value) from v, " + + "lateral variant_explode(parse_json(json))"), expected) + val expectedOuter = if (expected.isEmpty) Seq(Row(null, null, null)) else expected + checkAnswer(sql("select pos, key, to_json(value) from v, " + + "lateral variant_explode_outer(parse_json(json))"), expectedOuter) + } + } + + Seq("true", "false").foreach { codegenEnabled => + withSQLConf(SQLConf.WHOLESTAGE_CODEGEN_ENABLED.key -> codegenEnabled) { + check(null, Nil) + check("1", Nil) Review Comment: @srielau shall we fail if the input variant is not array or struct? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org