kennknowles opened a new pull request, #34820: URL: https://github.com/apache/beam/pull/34820
Add `ValueKind` to support CDC use cases Example output: ``` > Task :examples:java:cdc May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$FakeCdcStream process INFO: Runner told me to stop at offset 6 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [INSERT] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 0 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 0 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 1 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 1 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 2 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 2 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 3 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 3 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 4 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 4 May 02, 2025 12:14:24 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 5 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$FakeCdcStream process INFO: Runner told me to stop at offset 11 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 5 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 6 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 6 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 7 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 7 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 8 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 8 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 9 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 9 May 02, 2025 12:14:25 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 10 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$FakeCdcStream process INFO: Runner told me to stop at offset 16 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 10 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 11 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 11 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 12 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 12 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 13 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 13 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 14 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_BEFORE] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 14 May 02, 2025 12:14:26 PM org.apache.beam.examples.complete.CdcExample$1 process INFO: [UPDATE_AFTER] d7da5db1-a93f-4f41-bc02-12569bdb44a0: 15 ``` ------------------------ Thank you for your contribution! 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