ajantha-bhat commented on code in PR #4902:
URL: https://github.com/apache/iceberg/pull/4902#discussion_r914440862
##########
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/actions/SparkZOrderStrategy.java:
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@@ -133,9 +133,23 @@ public SparkZOrderStrategy(Table table, SparkSession
spark, List<String> zOrderC
"Cannot perform ZOrdering, all columns provided were identity
partition columns and cannot be used.");
}
+ validateColumnsExistence(table, spark, zOrderColNames);
+
this.zOrderColNames = zOrderColNames;
}
+ private void validateColumnsExistence(Table table, SparkSession spark,
List<String> colNames) {
+ boolean caseSensitive =
Boolean.parseBoolean(spark.conf().get("spark.sql.caseSensitive"));
Review Comment:
I got `Function2<String, String, Object> resolver =
SQLConf.get().resolver();` in java but still couldn't figure out how to use
this in my case.
Scala I can do find and match. But not sure in java.
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