Remove dead check for backup block, replace with Assert.

We don't use backup blocks with GIN vacuum records anymore, the page is
always recreated from scratch.

diff --git a/src/backend/access/gin/ginxlog.c b/src/backend/access/gin/ginxlog.c
index 02e566cc685396947a9b7357905d2d51655fa0ce..f65a98d95ff31b976b3dee73dee2af8fd52d56de 100644 (file)
--- a/src/backend/access/gin/ginxlog.c
+++ b/src/backend/access/gin/ginxlog.c
@@ -564,12 +564,8 @@ ginRedoVacuumPage(XLogRecPtr lsn, XLogRecord *record)
    Assert(xlrec->hole_offset < BLCKSZ);
    Assert(xlrec->hole_length < BLCKSZ);
 
-   /* If we have a full-page image, restore it and we're done */
-   if (record->xl_info & XLR_BKP_BLOCK(0))
-   {
-       (void) RestoreBackupBlock(lsn, record, 0, false, false);
-       return;
-   }
+   /* Backup blocks are not used, we'll re-initialize the page always. */
+   Assert(!(record->xl_info & XLR_BKP_BLOCK_MASK));
 
    buffer = XLogReadBuffer(xlrec->node, xlrec->blkno, true);
    if (!BufferIsValid(buffer))