fix undefined behaviour while converting gist index

zilder · zilder · commit eaa7b727cd55 · 2017-11-29T17:27:43.000+03:00
diff --git a/src/backend/storage/buffer/heap_convert.c b/src/backend/storage/buffer/heap_convert.c
@@ -719,7 +719,7 @@ static void
 convert_tree_based_indexes_64bit(Relation rel, Page page, BlockNumber blkno)
 {
 	int		am = rel->rd_rel->relam;
-	bool	has_metapage;
+	bool	has_metapage = false;
 	PageHeader_64bit	old_hdr;
 	PageHeaderData		new_hdr;
 

Original file line number	Diff line number	Diff line change
`@@ -719,7 +719,7 @@ static void`
`719`	`719`	`convert_tree_based_indexes_64bit(Relation rel, Page page, BlockNumber blkno)`
`720`	`720`	`{`
`721`	`721`	`int am = rel->rd_rel->relam;`
`722`		`- bool has_metapage;`
	`722`	`+ bool has_metapage = false;`
`723`	`723`	`PageHeader_64bit old_hdr;`
`724`	`724`	`PageHeaderData new_hdr;`
`725`	`725`