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Improve logical replication connection-failure messages.

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These messages mostly said "could not connect to the publisher: %s"
which is lacking context.  Add some verbiage to indicate which
subscription or worker process is failing.

Nisha Moond

Discussion: https://postgr.es/m/CABdArM7q1=zqL++cYd0hVMg3u_tc0S=0Of=Um-KvDhLony0cSg@mail.gmail.com
This commit is contained in:
Tom Lane
2024-07-11 13:21:13 -04:00
parent a0f1fce80c
commit 0d8bd0a72e
7 changed files with 20 additions and 12 deletions
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3
src/backend/replication/logical/tablesync.c
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@@ -1342,7 +1342,8 @@ LogicalRepSyncTableStart(XLogRecPtr *origin_startpos)
if (LogRepWorkerWalRcvConn == NULL)
ereport(ERROR,
(errcode(ERRCODE_CONNECTION_FAILURE),
errmsg("could not connect to the publisher: %s", err)));
errmsg("table synchronization worker for subscription \"%s\" could not connect to the publisher: %s",
MySubscription->name, err)));
Assert(MyLogicalRepWorker->relstate == SUBREL_STATE_INIT ||
MyLogicalRepWorker->relstate == SUBREL_STATE_DATASYNC ||