Upgrade SQLite to 3.7.6.3

1 files changed, 13 insertions, 3 deletions

diff --git a/ext/sqlite3/libsqlite/sqlite3.c b/ext/sqlite3/libsqlite/sqlite3.c
index fa37b0c2e4..d461dad4a4 100644
--- a/ext/sqlite3/libsqlite/sqlite3.c
+++ b/ext/sqlite3/libsqlite/sqlite3.c
@@ -4,7 +4,7 @@
 
 /******************************************************************************
 ** This file is an amalgamation of many separate C source files from SQLite
-** version 3.7.6.2.  By combining all the individual C code files into this 
+** version 3.7.6.3.  By combining all the individual C code files into this 
 ** single large file, the entire code can be compiled as a single translation
 ** unit.  This allows many compilers to do optimizations that would not be
 ** possible if the files were compiled separately.  Performance improvements
@@ -654,9 +654,9 @@ extern "C" {
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
 ** [sqlite_version()] and [sqlite_source_id()].
 */
-#define SQLITE_VERSION        "3.7.6.2"
+#define SQLITE_VERSION        "3.7.6.3"
 #define SQLITE_VERSION_NUMBER 3007006
-#define SQLITE_SOURCE_ID      "2011-04-17 17:25:17 154ddbc17120be2915eb03edc52af1225eb7cb5e"
+#define SQLITE_SOURCE_ID      "2011-05-19 13:26:54 ed1da510a239ea767a01dc332b667119fa3c908e"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
@@ -42076,11 +42076,21 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne(
   }else{
     if( pagerUseWal(pPager) ){
       PgHdr *pList = sqlite3PcacheDirtyList(pPager->pPCache);
+      PgHdr *pPageOne = 0;
+      if( pList==0 ){
+        /* Must have at least one page for the WAL commit flag.
+        ** Ticket [2d1a5c67dfc2363e44f29d9bbd57f] 2011-05-18 */
+        rc = sqlite3PagerGet(pPager, 1, &pPageOne);
+        pList = pPageOne;
+        pList->pDirty = 0;
+      }
+      assert( pList!=0 || rc!=SQLITE_OK );
       if( pList ){
         rc = pagerWalFrames(pPager, pList, pPager->dbSize, 1, 
             (pPager->fullSync ? pPager->syncFlags : 0)
         );
       }
+      sqlite3PagerUnref(pPageOne);
       if( rc==SQLITE_OK ){
         sqlite3PcacheCleanAll(pPager->pPCache);
       }