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32d388d00f
Some replication slot manipulations (logical decoding via SQL, advancing) were failing an assertion when releasing a slot in single-user mode, because active_pid was not set in a ReplicationSlot when its slot is acquired. ReplicationSlotAcquire() has some logic to be able to work with the single-user mode. This commit sets ReplicationSlot->active_pid to MyProcPid, to let the slot-related logic fall-through, considering the single process as the one holding the slot. Some TAP tests are added for various replication slot functions with the single-user mode, while on it, for slot creation, drop, advancing, copy and logical decoding with multiple slot types (temporary, physical vs logical). These tests are skipped on Windows, as direct calls of postgres --single would fail on permission failures. There is no platform-specific behavior that needs to be checked, so living with this restriction should be fine. The CI is OK with that, now let's see what the buildfarm tells. Author: Hayato Kuroda <kuroda.hayato@fujitsu.com> Reviewed-by: Paul A. Jungwirth <pj@illuminatedcomputing.com> Reviewed-by: Mutaamba Maasha <maasha@gmail.com> Discussion: https://postgr.es/m/OSCPR01MB14966ED588A0328DAEBE8CB25F5FA2@OSCPR01MB14966.jpnprd01.prod.outlook.com Backpatch-through: 13 |
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