From 09a77f00412d2547733a7a2c0812455753e915f5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 28 Oct 2011 09:04:50 +0200
Subject: Don't use QByteArray replace() overload that was only added in Qt 4.7

The bad thing is that another overload, added in Qt 4.5, was silently
used in 4.5-4.6 versions which predictably did the wrong thing.
---
 odb/qt/basic/mysql/qbyte-array-traits.hxx  | 8 +++++++-
 odb/qt/basic/pgsql/qbyte-array-traits.hxx  | 8 +++++++-
 odb/qt/basic/sqlite/qbyte-array-traits.hxx | 8 +++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/odb/qt/basic/mysql/qbyte-array-traits.hxx b/odb/qt/basic/mysql/qbyte-array-traits.hxx
index 52e620c..a80187d 100644
--- a/odb/qt/basic/mysql/qbyte-array-traits.hxx
+++ b/odb/qt/basic/mysql/qbyte-array-traits.hxx
@@ -36,7 +36,13 @@ namespace odb
         if (is_null)
           v = QByteArray ();
         else
-          v.replace (0, v.size (), b.data (), static_cast<int> (n));
+        {
+          // Note that we cannot use replace() here since a suitable
+          // overload was only added in Qt 4.7.
+          //
+          v.resize (static_cast<int> (n));
+          std::memcpy (v.data (), b.data (), n);
+        }
       }
 
       static void
diff --git a/odb/qt/basic/pgsql/qbyte-array-traits.hxx b/odb/qt/basic/pgsql/qbyte-array-traits.hxx
index cf0477e..8491794 100644
--- a/odb/qt/basic/pgsql/qbyte-array-traits.hxx
+++ b/odb/qt/basic/pgsql/qbyte-array-traits.hxx
@@ -36,7 +36,13 @@ namespace odb
         if (is_null)
           v = QByteArray ();
         else
-          v.replace (0, v.size (), b.data (), static_cast<int> (n));
+        {
+          // Note that we cannot use replace() here since a suitable
+          // overload was only added in Qt 4.7.
+          //
+          v.resize (static_cast<int> (n));
+          std::memcpy (v.data (), b.data (), n);
+        }
       }
 
       static void
diff --git a/odb/qt/basic/sqlite/qbyte-array-traits.hxx b/odb/qt/basic/sqlite/qbyte-array-traits.hxx
index 0d1437e..9c563f3 100644
--- a/odb/qt/basic/sqlite/qbyte-array-traits.hxx
+++ b/odb/qt/basic/sqlite/qbyte-array-traits.hxx
@@ -36,7 +36,13 @@ namespace odb
         if (is_null)
           v = QByteArray ();
         else
-          v.replace (0, v.size (), b.data (), static_cast<int> (n));
+        {
+          // Note that we cannot use replace() here since a suitable
+          // overload was only added in Qt 4.7.
+          //
+          v.resize (static_cast<int> (n));
+          std::memcpy (v.data (), b.data (), n);
+        }
       }
 
       static void
-- 
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