bugfix for ReadBuffer_common() func

zilder · zilder · commit aa80416a0596 · 2018-01-24T15:03:55.000+03:00
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
@@ -1127,7 +1127,8 @@ ReadBuffer_common(Relation reln, SMgrRelation smgr, char relpersistence,
 				}
 			}
 
-			if (PageGetPageLayoutVersion(bufBlock) != PG_PAGE_LAYOUT_VERSION)
+			if (PageGetPageLayoutVersion(bufBlock) != PG_PAGE_LAYOUT_VERSION &&
+				!PageIsNew((Page) bufBlock))
 			{
 				Buffer	buf = BufferDescriptorGetBuffer(bufHdr);
 

Original file line number	Diff line number	Diff line change
`@@ -1127,7 +1127,8 @@ ReadBuffer_common(Relation reln, SMgrRelation smgr, char relpersistence,`
`1127`	`1127`	`}`
`1128`	`1128`	`}`
`1129`	`1129`
`1130`		`- if (PageGetPageLayoutVersion(bufBlock) != PG_PAGE_LAYOUT_VERSION)`
	`1130`	`+ if (PageGetPageLayoutVersion(bufBlock) != PG_PAGE_LAYOUT_VERSION &&`
	`1131`	`+ !PageIsNew((Page) bufBlock))`
`1131`	`1132`	`{`
`1132`	`1133`	`Buffer buf = BufferDescriptorGetBuffer(bufHdr);`
`1133`	`1134`