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Revert timeline following in replication slots

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This reverts commits f07d18b6e9, 82c83b3372, 3a3b309041, and
24c5f1a103.

This feature has shown enough immaturity that it was deemed better to
rip it out before rushing some more fixes at the last minute.  There are
discussions on larger changes in this area for the next release.
This commit is contained in:
Alvaro Herrera
2016-05-04 17:32:22 -03:00
parent 6535bf3998
commit c1543a81a7
17 changed files with 20 additions and 772 deletions
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12
src/backend/replication/logical/logicalfuncs.c
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@ -234,6 +234,12 @@ pg_logical_slot_get_changes_guts(FunctionCallInfo fcinfo, bool confirm, bool bin
rsinfo->setResult = p->tupstore;
rsinfo->setDesc = p->tupdesc;
/* compute the current end-of-wal */
if (!RecoveryInProgress())
end_of_wal = GetFlushRecPtr();
else
end_of_wal = GetXLogReplayRecPtr(NULL);
ReplicationSlotAcquire(NameStr(*name));
PG_TRY();
@ -273,12 +279,6 @@ pg_logical_slot_get_changes_guts(FunctionCallInfo fcinfo, bool confirm, bool bin
/* invalidate non-timetravel entries */
InvalidateSystemCaches();
if (!RecoveryInProgress())
end_of_wal = GetFlushRecPtr();
else
end_of_wal = GetXLogReplayRecPtr(NULL);
/* Decode until we run out of records */
while ((startptr != InvalidXLogRecPtr && startptr < end_of_wal) ||
(ctx->reader->EndRecPtr != InvalidXLogRecPtr && ctx->reader->EndRecPtr < end_of_wal))
{