Use DatumGetInt32() to extract 32-bit integer value from a datum.

MasaoFujii · MasaoFujii · commit 39a6772d0494 · 2017-04-19T00:12:27.000+09:00
Previously DatumGetObjectId() was wrongly used for that. Author: Masahiko Sawada Reviewed-by: Kyotaro Horiguchi Reported-by: Fujii Masao Discussion: http://postgr.es/m/CAHGQGwFDWh_Qr-q_GEMpD+qH=vYPMdVqw=ZOSY3kX_Pna9R9SA@mail.gmail.com
diff --git a/src/backend/replication/logical/launcher.c b/src/backend/replication/logical/launcher.c
@@ -306,7 +306,7 @@ logicalrep_worker_launch(Oid dbid, Oid subid, const char *subname, Oid userid,
 
 	bgw.bgw_restart_time = BGW_NEVER_RESTART;
 	bgw.bgw_notify_pid = MyProcPid;
-	bgw.bgw_main_arg = slot;
+	bgw.bgw_main_arg = Int32GetDatum(slot);
 
 	if (!RegisterDynamicBackgroundWorker(&bgw, &bgw_handle))
 	{
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c
@@ -1441,7 +1441,7 @@ subscription_change_cb(Datum arg, int cacheid, uint32 hashvalue)
 void
 ApplyWorkerMain(Datum main_arg)
 {
-	int				worker_slot = DatumGetObjectId(main_arg);
+	int				worker_slot = DatumGetInt32(main_arg);
 	MemoryContext	oldctx;
 	char			originname[NAMEDATALEN];
 	XLogRecPtr		origin_startpos;

Original file line number	Diff line number	Diff line change
`@@ -306,7 +306,7 @@ logicalrep_worker_launch(Oid dbid, Oid subid, const char *subname, Oid userid,`
`306`	`306`
`307`	`307`	`bgw.bgw_restart_time = BGW_NEVER_RESTART;`
`308`	`308`	`bgw.bgw_notify_pid = MyProcPid;`
`309`		`- bgw.bgw_main_arg = slot;`
	`309`	`+ bgw.bgw_main_arg = Int32GetDatum(slot);`
`310`	`310`
`311`	`311`	`if (!RegisterDynamicBackgroundWorker(&bgw, &bgw_handle))`
`312`	`312`	`{`
Original file line number	Diff line number	Diff line change
`@@ -1441,7 +1441,7 @@ subscription_change_cb(Datum arg, int cacheid, uint32 hashvalue)`
`1441`	`1441`	`void`
`1442`	`1442`	`ApplyWorkerMain(Datum main_arg)`
`1443`	`1443`	`{`
`1444`		`- int worker_slot = DatumGetObjectId(main_arg);`
	`1444`	`+ int worker_slot = DatumGetInt32(main_arg);`
`1445`	`1445`	`MemoryContext oldctx;`
`1446`	`1446`	`char originname[NAMEDATALEN];`
`1447`	`1447`	`XLogRecPtr origin_startpos;`