Blob example using an in-memory database

TODO.txt

@@ -1,13 +1,8 @@
-Add a Changelog
-
 C++11 explicit support
 
 Update Doxygen Documentation, but remove it from the master branch
 Publish the Doxygen Documentation in the Github Pages (gh-pages branch)
 
-Missing test/example in v0.5.0:
-- :memory: table
-
 Missing features in v0.5.0:
 - bind a SQLITE_STATIC value (string/blob)
 - bind a dynamic value with zerocopy (unlike SQLITE_TRANSIENT) with custom deleter
@@ -17,8 +12,7 @@ Missing documentation in v0.5.0:
 - This wrapper is not thread safe : compare to the thread safety of the SQLite3 library
 
 Advanced missing features:
-- :memory: : use the "zVfs" (last) parameter of sqlite3_open_v2() to give access to the ":memory:" VFS module
-- backup support to/from :memory:
+- backup support to/from file/:memory:
 - batch mode managing multiple queries semicolon separated ? 
 - Function ?
 - Agregate ?

src/SQLiteC++/Database.cpp

@@ -19,8 +19,6 @@ Database::Database(const char* apFilename, const int aFlags /*= SQLITE_OPEN_READ
     mpSQLite(NULL),
     mFilename(apFilename)
 {
-    // TODO SRombauts : use the "zVfs" (last) parameter to give access to the ":memory:" VFS module
-    // TODO SRombauts : then add a backup mode to/from ":memory:"
     int ret = sqlite3_open_v2(apFilename, &mpSQLite, aFlags, NULL);
     if (SQLITE_OK != ret)
     {

src/example1/main.cpp

@@ -261,11 +261,11 @@ int main (void)
     remove("transaction.db3");
 
     ////////////////////////////////////////////////////////////////////////////
-    // Binary blob example (6/6) :
+    // Binary blob and in-memory database example (6/6) :
     try
     {
         // Open a database file in create/write mode
-        SQLite::Database    db("blob.db3", SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE);
+        SQLite::Database    db(":memory:", SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE);
         std::cout << "SQLite database file '" << db.getFilename().c_str() << "' opened successfully\n";
 
         db.exec("DROP TABLE IF EXISTS test");
@@ -326,7 +326,6 @@ int main (void)
         std::cout << "SQLite exception: " << e.what() << std::endl;
         abort(); // unexpected error : abort the example program
     }
-    remove("blob.db3");
     remove("out.png");
 
     std::cout << "everything ok, quitting\n";