Sync the database file in sqlite3_ckpt_close(), even if the checkpoint has not finished.

FossilOrigin-Name: e2729d623c6e9d0b3049049f3f3051bbb479184f

manifest

@@ -1,5 +1,5 @@
-C Test\sthat\ssqlite3ota_open()\sworks\swith\sURI\spaths.\sFix\ssome\sother\sissues.
-D 2014-10-21T19:35:03.426
+C Sync\sthe\sdatabase\sfile\sin\ssqlite3_ckpt_close(),\seven\sif\sthe\scheckpoint\shas\snot\sfinished.
+D 2014-10-22T11:30:08.642
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in cf57f673d77606ab0f2d9627ca52a9ba1464146a
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -309,7 +309,7 @@ F src/vdbemem.c 31d8eabb0cd78bfeab4e5124c7363c3e9e54db9f
 F src/vdbesort.c 975aeffa99acb0991b2f288d30294756bff41438
 F src/vdbetrace.c 7e4222955e07dd707a2f360c0eb73452be1cb010
 F src/vtab.c cb0c194303fea276b48d7d4b6d970b5a96bde8de
-F src/wal.c cbce609ec35e4d170ec0db385880f5f12c9c7fbd
+F src/wal.c 99c5b0a68e525d854d86f93be215e9c2bfb7b194
 F src/wal.h 0d3ba0c3f1b4c25796cb213568a84b9f9063f465
 F src/walker.c c253b95b4ee44b21c406e2a1052636c31ea27804
 F src/where.c 2947912f1f3d6a7766fe087fd532a5d688d745b1
@@ -1215,7 +1215,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 2402baa0027ca65e9a5106b8b9c4e10f40d2cbc3
-R be41b5fa90bd92c9b4cc1682fc718b4c
+P 6fd09854feb46739f42b7e7a5e76680d5f9b8c5a
+R b3f281b9e115a81e4161ab510da7f09d
 U dan
-Z 3c98460b0b6af0c08ea70d54ed77c905
+Z 3d20cbfe4cbde996e6770d4067fcc8a6

manifest.uuid

@@ -1 +1 @@
-6fd09854feb46739f42b7e7a5e76680d5f9b8c5a
+e2729d623c6e9d0b3049049f3f3051bbb479184f

src/wal.c

@@ -1764,8 +1764,8 @@ static int walCheckpointFinalize(WalCkpt *p){
     int rc = p->rc;
     Wal *pWal = p->pWal;
 
-    /* If work was completed */
-    if( p->pIter && rc==SQLITE_DONE ){
+    if( rc==SQLITE_DONE ){
+      /* If work was completed */
       rc = SQLITE_OK;
       if( p->mxSafeFrame==walIndexHdr(pWal)->mxFrame ){
         i64 szDb = pWal->hdr.nPage*(i64)p->szPage;
@@ -1779,6 +1779,9 @@ static int walCheckpointFinalize(WalCkpt *p){
         p->pInfo->nBackfill = p->mxSafeFrame;
       }
       p->rc = rc;
+    }else if( rc==SQLITE_OK && p->sync_flags ){
+      /* If work was not completed, but no error has occured. */
+      p->rc = sqlite3OsSync(pWal->pDbFd, p->sync_flags);
     }
 
     /* Release the reader lock held while backfilling */