Show PQerrorMessage when logical receiver fails to establish connection.

kvap · kelvich · commit 17a6fb5b0522 · 2017-11-13T02:17:30.000+03:00
diff --git a/pglogical_receiver.c b/pglogical_receiver.c
@@ -261,10 +261,11 @@ pglogical_receiver_main(Datum main_arg)
 		
 		/* Establish connection to remote server */
 		conn = PQconnectdb(connString);
-		if (PQstatus(conn) != CONNECTION_OK)
+		ConnStatusType status = PQstatus(conn);
+		if (status != CONNECTION_OK)
 		{
-			ereport(WARNING, (errmsg("%s: Could not establish connection to remote server",
-									 worker_proc)));
+			ereport(WARNING, (errmsg("%s: Could not establish connection to remote server (%s), status = %d, error = %s",
+									 worker_proc, connString, status, PQerrorMessage(conn))));
 			goto OnError;
 		}
 		

Original file line number	Diff line number	Diff line change
`@@ -261,10 +261,11 @@ pglogical_receiver_main(Datum main_arg)`
`261`	`261`
`262`	`262`	`/* Establish connection to remote server */`
`263`	`263`	`conn = PQconnectdb(connString);`
`264`		`- if (PQstatus(conn) != CONNECTION_OK)`
	`264`	`+ ConnStatusType status = PQstatus(conn);`
	`265`	`+ if (status != CONNECTION_OK)`
`265`	`266`	`{`
`266`		`- ereport(WARNING, (errmsg("%s: Could not establish connection to remote server",`
`267`		`- worker_proc)));`
	`267`	`+ ereport(WARNING, (errmsg("%s: Could not establish connection to remote server (%s), status = %d, error = %s",`
	`268`	`+ worker_proc, connString, status, PQerrorMessage(conn))));`
`268`	`269`	`goto OnError;`
`269`	`270`	`}`
`270`	`271`