From c970a38889d5774f7d0f73215dfd70934524d76a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 10 Jul 2012 15:17:13 +0200
Subject: Add support for custom database type mapping

New pragma qualifier, map, and specifiers: as, to, from. New tests:
<database>/custom.
---
 odb/mysql/query.cxx | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'odb/mysql/query.cxx')

diff --git a/odb/mysql/query.cxx b/odb/mysql/query.cxx
index 2573ac1..70d55c2 100644
--- a/odb/mysql/query.cxx
+++ b/odb/mysql/query.cxx
@@ -118,10 +118,13 @@ namespace odb
     }
 
     void query::
-    add (details::shared_ptr<query_param> p)
+    add (details::shared_ptr<query_param> p, const char* conv)
     {
       clause_.push_back (clause_part (clause_part::param));
 
+      if (conv != 0)
+        clause_.back ().part = conv;
+
       parameters_.push_back (p);
       bind_.push_back (MYSQL_BIND ());
       binding_.bind = &bind_[0];
@@ -258,7 +261,20 @@ namespace odb
             if (last != ' ' && last != '(')
               r += ' ';
 
+            // Add the conversion expression, if any.
+            //
+            string::size_type p;
+            if (!i->part.empty ())
+            {
+              p = i->part.find ("(?)");
+              r.append (i->part, 0, p);
+            }
+
             r += '?';
+
+            if (!i->part.empty ())
+              r.append (i->part, p + 3, string::npos);
+
             break;
           }
         case clause_part::native:
-- 
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