FANNG1 commented on code in PR #9753:
URL: https://github.com/apache/gravitino/pull/9753#discussion_r2711309215
##########
catalogs/catalog-lakehouse-paimon/src/main/java/org/apache/gravitino/catalog/lakehouse/paimon/PaimonCatalogOperations.java:
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@@ -501,6 +502,74 @@ private void checkPaimonIndexes(Index[] indexes) {
"Paimon only supports primary key Index."));
}
+ private void validateDistribution(Distribution distribution, Column[]
columns, Index[] indexes) {
+ if (distribution == null || distribution.strategy() ==
Distributions.NONE.strategy()) {
+ return;
+ }
+
+ Preconditions.checkArgument(
+ distribution.strategy() == Strategy.HASH,
+ "Paimon only supports HASH distribution strategy.");
+
+ Preconditions.checkArgument(
+ distribution.expressions() != null &&
distribution.expressions().length > 0,
+ "Paimon bucket keys must be specified for HASH distribution.");
+
+ int bucketNumber = distribution.number();
+ Preconditions.checkArgument(
+ bucketNumber == Distributions.AUTO || bucketNumber > 0,
+ "Paimon bucket number must be positive or AUTO.");
+
+ List<String> bucketKeys = extractBucketKeys(distribution);
+ List<String> columnNames =
+ Arrays.stream(columns).map(Column::name).collect(Collectors.toList());
+ bucketKeys.forEach(
+ bucketKey ->
+ Preconditions.checkArgument(
+ columnNames.stream().anyMatch(name ->
name.equalsIgnoreCase(bucketKey)),
Review Comment:
updated
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