ahmedabu98 commented on code in PR #24979:
URL: https://github.com/apache/beam/pull/24979#discussion_r1253325017
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sdks/python/apache_beam/io/gcp/bigquery.py:
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@@ -1515,11 +1528,43 @@ def process(self, element, *schema_side_inputs):
if not self.with_batched_input:
row_and_insert_id = element[1]
+ row_byte_size = get_deep_size(row_and_insert_id)
+ # maintain buffer byte size for each destination
+ self._destination_buffer_byte_size.setdefault(destination, 0)
+ # send large rows that exceed BigQuery insert limits to DLQ
+ if row_byte_size >= self.max_insert_payload_size:
+ row_mb_size = row_byte_size / 1_000_000
+ max_mb_size = self.max_insert_payload_size / 1_000_000
+ error = (
Review Comment:
The process function looks at one element at a time, so here we are
returning the large row as a failed row (to the output PCollections). Other
elements coming after such a failed row will have their own `process` calls
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