Make sure the WAL file is deleted when changing to DELETE journal mode.

FossilOrigin-Name: 66708685909fb048edab7f15e4a81d5a554d88d9

manifest

@@ -1,5 +1,5 @@
-C Merge\sin\sthe\slegacy\stable\sconstraint\sparsing\sfixes\sfrom\strunk.
-D 2012-05-10T12:09:34.455
+C Make\ssure\sthe\sWAL\sfile\sis\sdeleted\swhen\schanging\sto\sDELETE\sjournal\smode.
+D 2012-05-11T00:56:28.845
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 957c9693400fca6cb8b533b589e69ddee7bcb27c
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -164,7 +164,7 @@ F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_os2.c 4a75888ba3dfc820ad5e8177025972d74d7f2440
 F src/os_unix.c f8c943a0f9c4e2e7fae9facb3a243cb58cc8ceb5
 F src/os_win.c 24b57b4aec07ec78ae759244ab6d9759a70fe29b
-F src/pager.c c296b3035a5a45d138e7370a3292ba07617adbf9
+F src/pager.c 544cc84d50fea0ca921d448037b217ecabba359b
 F src/pager.h 42926ac0fe69e9d7e17a54e6b37417e581a429d7
 F src/parse.y de06f412a4b3a2978071215f657fd1cd70700444
 F src/pcache.c f8043b433a57aba85384a531e3937a804432a346
@@ -1001,7 +1001,7 @@ F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings-clang.sh a8a0a3babda96dfb1ff51adda3cbbf3dfb7266c2
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
-P 654792941011c96db879f6b779e99b1c65c587af 38bf90af1ede6ee64ef7be66392e895e60c9126e
-R 534451f0241ae0938558ac8c70cc8e52
+P e87702834ed50882fadb3dee66cafb7438f5e577
+R 67b6663c392833c5593ad88a2acfcac7
 U drh
-Z 6974b18838cd42ad04a4c660e23059ae
+Z 5163acdc76291ae8073d5c6ee58991cb

manifest.uuid

@@ -1 +1 @@
-e87702834ed50882fadb3dee66cafb7438f5e577
+66708685909fb048edab7f15e4a81d5a554d88d9

src/pager.c

@@ -6923,6 +6923,12 @@ int sqlite3PagerCloseWal(Pager *pPager){
       rc = sqlite3WalClose(pPager->pWal, pPager->ckptSyncFlags,
                            pPager->pageSize, (u8*)pPager->pTmpSpace);
       pPager->pWal = 0;
+
+      /* Ensure that the WAL file is deleted even if the PERSIST_WAL
+      ** hint is enabled. */
+      if( rc==SQLITE_OK ){
+        rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0);
+      }
     }
   }
   return rc;