kazuyukitanimura commented on code in PR #1470: URL: https://github.com/apache/datafusion-comet/pull/1470#discussion_r1978347424
########## spark/src/test/scala/org/apache/comet/CometExpressionSuite.scala: ########## @@ -2122,6 +2122,22 @@ class CometExpressionSuite extends CometTestBase with AdaptiveSparkPlanHelper { } } + test("pad") { + val table = "pad" + val gen = new DataGenerator(new Random(42)) + withTable(table) { + // generate some data + // newline characters are intentionally omitted for now + val dataChars = "\t abc123" + sql(s"create table $table(id int, name varchar(20)) using parquet") + gen.generateStrings(100, dataChars, 6).zipWithIndex.foreach { x => + sql(s"insert into $table values(${x._2}, '${x._1}')") Review Comment: Can we cover the same cases as https://github.com/apache/datafusion-comet/blob/main/spark/src/test/scala/org/apache/comet/CometExpressionSuite.scala#L2115 especially those unicode cases? ########## spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala: ########## @@ -1586,6 +1586,18 @@ object QueryPlanSerde extends Logging with ShimQueryPlanSerde with CometExprShim case StringTrimBoth(srcStr, trimStr, _) => trim(expr, srcStr, trimStr, inputs, binding, "btrim") + case StringLPad(srcStr, size, chars) => + val arg0 = exprToProtoInternal(srcStr, inputs, binding) + val arg1 = exprToProtoInternal(Cast(size, LongType), inputs, binding) + val arg2 = exprToProtoInternal(chars, inputs, binding) + scalarExprToProto("lpad", arg0, arg1, arg2) + + case StringRPad(srcStr, size, chars) => + val arg0 = exprToProtoInternal(srcStr, inputs, binding) + val arg1 = exprToProtoInternal(Cast(size, LongType), inputs, binding) + val arg2 = exprToProtoInternal(chars, inputs, binding) + scalarExprToProto("rpad", arg0, arg1, arg2) Review Comment: I remember that DataFusion rpad truncates the string if it is already longer than the `size`. Could you add a test if Spark behaves the same? -- 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: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org