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Get a snapshot before COPY in table sync

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This fixes a crash if the local table has a function index and the
function makes non-immutable calls.

Reported-by: Scott Milliken <scott@deltaex.com>
Author: Masahiko Sawada <sawada.mshk@gmail.com>
This commit is contained in:
Peter Eisentraut 2017-08-02 10:59:01 -04:00
parent f352f91cbf
commit cf65201833
1 changed files with 2 additions and 0 deletions
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2
src/backend/replication/logical/tablesync.c
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@ -917,7 +917,9 @@ LogicalRepSyncTableStart(XLogRecPtr *origin_startpos)
walrcv_create_slot(wrconn, slotname, true, walrcv_create_slot(wrconn, slotname, true,
CRS_USE_SNAPSHOT, origin_startpos); CRS_USE_SNAPSHOT, origin_startpos);
PushActiveSnapshot(GetTransactionSnapshot());
copy_table(rel); copy_table(rel);
PopActiveSnapshot();
res = walrcv_exec(wrconn, "COMMIT", 0, NULL); res = walrcv_exec(wrconn, "COMMIT", 0, NULL);
if (res->status != WALRCV_OK_COMMAND) if (res->status != WALRCV_OK_COMMAND)