Add support for alternative UTF-16 image for TEXT in SQLite

Use it to handle QString and support std::wstring on Windows.

2 files changed, 30 insertions, 11 deletions

diff --git a/sqlite/types/driver.cxx b/sqlite/types/driver.cxx
index 1214d18..ac8c8d4 100644
--- a/sqlite/types/driver.cxx
+++ b/sqlite/types/driver.cxx
@@ -39,6 +39,9 @@ main (int argc, char* argv[])
     string long_str (2040, 'l');
 
     o.text_ = long_str;
+#ifdef _WIN32
+    o.wtext_ = L"t\x00C8st string";
+#endif
     o.blob_.assign (long_str.c_str (), long_str.c_str () + long_str.size ());
 
     {
@@ -47,8 +50,6 @@ main (int argc, char* argv[])
       t.commit ();
     }
 
-    //
-    //
     {
       transaction t (db->begin ());
       auto_ptr<object> o1 (db->load<object> (1));
@@ -56,6 +57,18 @@ main (int argc, char* argv[])
 
       assert (o == *o1);
     }
+
+    typedef odb::query<object> query;
+    typedef odb::result<object> result;
+
+#ifdef _WIN32
+    {
+      transaction t (db->begin ());
+      result r (db->query<object> (query::wtext == L"t\x00C8st string"));
+      assert (!r.empty ());
+      t.commit ();
+    }
+#endif
   }
   catch (const odb::exception& e)
   {
diff --git a/sqlite/types/test.hxx b/sqlite/types/test.hxx
index 897590d..bd8f48a 100644
--- a/sqlite/types/test.hxx
+++ b/sqlite/types/test.hxx
@@ -44,6 +44,10 @@ struct object
   #pragma db type("TEXT")
   std::string text_;
 
+#ifdef _WIN32
+  std::string wtext_;
+#endif
+
   #pragma db type("BLOB")
   std::vector<char> blob_;
 
@@ -55,15 +59,17 @@ struct object
   bool
   operator== (const object& y) const
   {
-    return
-      id_ == y.id_ &&
-      bool_ == y.bool_ &&
-      integer_ == y.integer_ &&
-      real_ == y.real_ &&
-      nan_ != nan_ &&
-      text_ == y.text_ &&
-      blob_ == y.blob_ &&
-      ((null_.get () == 0 && y.null_.get () == 0) || *null_ == *y.null_);
+    return id_ == y.id_
+      && bool_ == y.bool_
+      && integer_ == y.integer_
+      && real_ == y.real_
+      && nan_ != nan_
+      && text_ == y.text_
+#ifdef _WIN32
+      && wtext_ == y.wtext_
+#endif
+      && blob_ == y.blob_
+      && ((null_.get () == 0 && y.null_.get () == 0) || *null_ == *y.null_);
   }
 };