Fix buf in cfs_compression_ratio

knizhnik · knizhnik · commit 7a121740dd80 · 2016-11-15T19:41:54.000+03:00
diff --git a/src/backend/storage/file/cfs.c b/src/backend/storage/file/cfs.c
@@ -957,7 +957,7 @@ Datum cfs_compression_ratio(PG_FUNCTION_ARGS)
             } else {
                 sprintf(map_path, "%s.%u.cfm", path, i);
             }
-			md = open(map_path, O_RDONLY|PG_BINARY, 0);
+			md = open(map_path, O_RDWR|PG_BINARY, 0);
             if (md < 0) {
 				break;
 			}

Original file line number	Diff line number	Diff line change
`@@ -957,7 +957,7 @@ Datum cfs_compression_ratio(PG_FUNCTION_ARGS)`
`957`	`957`	`} else {`
`958`	`958`	`sprintf(map_path, "%s.%u.cfm", path, i);`
`959`	`959`	`}`
`960`		`- md = open(map_path, O_RDONLY\|PG_BINARY, 0);`
	`960`	`+ md = open(map_path, O_RDWR\|PG_BINARY, 0);`
`961`	`961`	`if (md < 0) {`
`962`	`962`	`break;`
`963`	`963`	`}`