manuzhang commented on code in PR #10774:
URL: https://github.com/apache/iceberg/pull/10774#discussion_r1809013863
##########
spark/v3.5/spark-extensions/src/main/scala/org/apache/spark/sql/catalyst/parser/extensions/IcebergSqlExtensionsAstBuilder.scala:
##########
@@ -226,11 +226,13 @@ class IcebergSqlExtensionsAstBuilder(delegate:
ParserInterface) extends IcebergS
}
val distributionMode = if (distributionSpec != null) {
- DistributionMode.HASH
- } else if (orderingSpec.UNORDERED != null || orderingSpec.LOCALLY != null)
{
- DistributionMode.NONE
+ Some(DistributionMode.HASH)
+ } else if (orderingSpec.UNORDERED != null) {
Review Comment:
@RussellSpitzer This method is for ALTER only.
https://github.com/apache/iceberg/blob/c16cefa5015dda417f80e0d59124cd92448787ab/spark/v3.5/spark-extensions/src/main/antlr/org.apache.spark.sql.catalyst.parser.extensions/IcebergSqlExtensions.g4#L73
@szehon-ho The result of this method can be one of `HASH`, `NONE`, `RANGE`
or unchanged depending on the combination of `distributionSpec` and
`orderSpec`. Thus, we cannot just return None when `distributionSpec` is not
set.
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