Use exclusive lock of page to post-build log write

feodor · feodor · commit ea28a73e3172 · 2016-09-05T14:18:57.000+03:00
diff --git a/ruminsert.c b/ruminsert.c
@@ -682,7 +682,7 @@ rumbuild(Relation heap, Relation index, struct IndexInfo *indexInfo)
 		CHECK_FOR_INTERRUPTS();
 
 		buffer = ReadBuffer(index, blkno);
-		LockBuffer(buffer, RUM_SHARE);
+		LockBuffer(buffer, RUM_EXCLUSIVE);
 
 		state = GenericXLogStart(index);
 		GenericXLogRegisterBuffer(state, buffer, GENERIC_XLOG_FULL_IMAGE);
