pabloem commented on a change in pull request #11241: [BEAM-5422] Document
DynamicDestinations.getTable uniqueness requirement
URL: https://github.com/apache/beam/pull/11241#discussion_r405198287
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/DynamicDestinations.java
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@@ -142,7 +142,11 @@ void setSideInputAccessorFromProcessContext(DoFn<?,
?>.ProcessContext context) {
return null;
}
- /** Returns a {@link TableDestination} object for the destination. May not
return null. */
+ /**
+ * Returns a {@link TableDestination} object for the destination. May not
return null. Return
+ * value needs to be unique to each destination: may not return the same
{@link TableDestination}
+ * for different destinations.
Review comment:
Hm I do not think this is necessary in Python. In Python, we expect table
names to be returned as the destination, so this case may not occur...
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