reuvenlax commented on code in PR #17070:
URL: https://github.com/apache/beam/pull/17070#discussion_r849638886
##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryUtils.java:
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@@ -1013,4 +1018,28 @@ public static ServiceCallMetric
readCallMetric(TableReference tableReference) {
public static ServiceCallMetric writeCallMetric(TableReference
tableReference) {
return callMetricForMethod(tableReference, "BigQueryBatchWrite");
}
+
+ /**
+ * Hashes a schema descriptor using a deterministic hash function.
+ *
+ * <p>Warning! These hashes are encoded into messages, so changing this
function will cause
+ * pipelines to get stuck on update!
+ */
+ public static long hashSchemaDescriptorDeterministic(Descriptor descriptor) {
Review Comment:
yeah - the risk is adding fields that are not stable (since this is a
dynamically-generated proto). I'll take another look through to make sure I
didn't forget anything.
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