!3604 【bugfixed】对提前返回的场景，将路径指针*ptr恢复为‘/’

Merge pull request !3604 from laishenghao/symlink

src/gausskernel/optimizer/commands/tablespace.cpp

@@ -2503,11 +2503,12 @@ bool IsPathContainsSymlink(char* path)
 
         *ptr = '\0';
         rc = memset_s(&statbuf, sizeof(statbuf), 0, sizeof(statbuf));
-        if (rc != EOK) {
-            continue;
-        }
+        securec_check(rc, "\0", "\0");
 
         if (lstat(path, &statbuf) == 0 && S_ISLNK(statbuf.st_mode)) {
+            if (!isLast) {
+                *ptr = '/';
+            }
             return true;
         }
 

src/test/regress/output/tablespace_1.source

@@ -277,5 +277,5 @@ ERROR:  location "@testtablespace@/symlink/sym2" is symbolic link
 \! ln -s @testtablespace@/symlink/will_delete @testtablespace@/symlink/will_delete_link
 \! rm -rf @testtablespace@/symlink/will_delete
 CREATE TABLESPACE deleted_symlink LOCATION '@testtablespace@/symlink/will_delete_link/local';
-ERROR:  recheck location "@testtablespace@/symlink/will_delete_link" exeed max times.
+ERROR:  recheck location "@testtablespace@/symlink/will_delete_link/local" exeed max times.
 DETAIL:  the location contains symbolic link, the linked path likely has been deleted.