Fix uninitialized variable in spgvacuum.c (#250)

MMeent · MMeent · commit f8d89e6d49a5 · 2023-02-10T16:36:12.000+01:00
The compiler warning was correct and would have the potential to disable prefetching.
diff --git a/src/backend/access/spgist/spgvacuum.c b/src/backend/access/spgist/spgvacuum.c
@@ -829,6 +829,8 @@ spgvacuumscan(spgBulkDeleteState *bds)
 	 * in btvacuumscan().
 	 */
 	blkno = SPGIST_METAPAGE_BLKNO + 1;
+	prefetch_blkno = blkno;
+
 	for (;;)
 	{
 		/* Get the current relation length */

Original file line number	Diff line number	Diff line change
`@@ -829,6 +829,8 @@ spgvacuumscan(spgBulkDeleteState *bds)`
`829`	`829`	`* in btvacuumscan().`
`830`	`830`	`*/`
`831`	`831`	`blkno = SPGIST_METAPAGE_BLKNO + 1;`
	`832`	`+ prefetch_blkno = blkno;`
	`833`	`+`
`832`	`834`	`for (;;)`
`833`	`835`	`{`
`834`	`836`	`/* Get the current relation length */`