RussellSpitzer commented on code in PR #12494:
URL: https://github.com/apache/iceberg/pull/12494#discussion_r2047241901
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spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/actions/SparkShufflingDataRewriter.java:
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@@ -161,7 +161,20 @@ private LogicalPlan sortPlan(LogicalPlan plan, SortOrder[]
ordering, int numShuf
}
private Dataset<Row> transformPlan(Dataset<Row> df, Function<LogicalPlan,
LogicalPlan> func) {
- return new Dataset<>(spark(), func.apply(df.logicalPlan()), df.encoder());
+ if (!(spark() instanceof org.apache.spark.sql.classic.SparkSession)) {
+ throw new IllegalArgumentException(
+ "spark is supposed to be org.apache.spark.sql.classic.SparkSession");
Review Comment:
Similar concerns about these error messages as above
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