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ffbd487c86
Fixes #7496 Since cdc log now has an end-of-batch/record marker that tells us explicitly that we've read the last row of a change, we can use this instead of timestamp checks + limit extra to ensure we have complete records. Note that this does not try to fulfill user query limit exact. To do this we would need to add a loop and potentially re-query if quried rows are not enough. But that is a separate exercise, and superbly suited for coroutines! Closes #7498 * github.com:scylladb/scylla: alternator::streams: Reduce the query limit depending on cdc opts alternator::streams: Use end-of-record info in get_records