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b448aa4417
Manifested as ERROR: subtransaction logged without previous top-level txn record this check forbids legit behaviours like - First xl_xact_assignment record is beyond reading, i.e. earlier restart_lsn. - After restart_lsn there is some change of a subxact. - After that, there is second xl_xact_assignment (for another subxact) revealing the relationship between top and first subxact. Such a transaction won't be streamed anyway because we hadn't seen it in full. Saying for sure whether xact of some record encountered after the snapshot was deserialized can be streamed or not requires to know whether it wrote something before deserialization point --if yes, it hasn't been seen in full and can't be decoded. Snapshot doesn't have such info, so there is no easy way to relax the check. Reported-by: Hsu, John Diagnosed-by: Arseny Sher Author: Arseny Sher, Amit Kapila Reviewed-by: Amit Kapila, Dilip Kumar Backpatch-through: 9.5 Discussion: https://postgr.es/m/AB5978B2-1772-4FEE-A245-74C91704ECB0@amazon.com |
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|---|---|---|
| .. | ||
| binary.out | ||
| concurrent_ddl_dml.out | ||
| ddl.out | ||
| decoding_in_xact.out | ||
| decoding_into_rel.out | ||
| delayed_startup.out | ||
| messages.out | ||
| mxact.out | ||
| oldest_xmin.out | ||
| ondisk_startup.out | ||
| permissions.out | ||
| prepared.out | ||
| replorigin.out | ||
| rewrite.out | ||
| slot.out | ||
| snapshot_transfer.out | ||
| spill.out | ||
| subxact_without_top.out | ||
| time.out | ||
| toast.out | ||
| xact.out | ||