chengchengpei commented on a change in pull request #6072: validate
baseDataSource non-empty string in DerivativeDataSourceMetad…
URL: https://github.com/apache/incubator-druid/pull/6072#discussion_r207408616
##########
File path:
extensions-contrib/materialized-view-maintenance/src/main/java/io/druid/indexing/materializedview/DerivativeDataSourceMetadata.java
##########
@@ -41,9 +42,11 @@ public DerivativeDataSourceMetadata(
@JsonProperty("metrics") Set<String> metrics
)
{
- this.baseDataSource = Preconditions.checkNotNull(baseDataSource,
"baseDataSource cannot be null. This is not a valid
DerivativeDataSourceMetadata.");
this.dimensions = Preconditions.checkNotNull(dimensions, "dimensions
cannot be null. This is not a valid DerivativeDataSourceMetadata.");
this.metrics = Preconditions.checkNotNull(metrics, "metrics cannot be
null. This is not a valid DerivativeDataSourceMetadata.");
+
+ Preconditions.checkArgument(!Strings.isNullOrEmpty(baseDataSource),
"baseDataSource cannot be null or empty. Please provide a baseDataSource.");
+ this.baseDataSource = baseDataSource;
Review comment:
@jihoonson fixed.
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