Customize generated pointer column wrapper ctor

For SQL Server we need to be able to pass precision/scale.

3 files changed, 29 insertions, 6 deletions

diff --git a/odb/relational/common.cxx b/odb/relational/common.cxx
index 2d8f8d6..1ee8449 100644
--- a/odb/relational/common.cxx
+++ b/odb/relational/common.cxx
@@ -208,6 +208,15 @@ namespace relational
     }
   }
 
+  void query_columns::
+  column_ctor (string const& type, string const& base)
+  {
+    os << type << " (const char* t, const char* c)" << endl
+       << "  : " << base << " (t, c)"
+       << "{"
+       << "}";
+  }
+
   bool query_columns::
   traverse_column (semantics::data_member& m, string const& column, bool)
   {
@@ -276,12 +285,11 @@ namespace relational
         //
         os << "struct " << name << "_type_: " <<
           name << "_pointer_type_, " << name << "_column_type_"
-           << "{"
-           << name << "_type_ (const char* t, const char* c)" << endl
-           << "  : " << name << "_column_type_ (t, c)"
-           << "{"
-           << "}"
-           << "};";
+           << "{";
+
+        column_ctor (name + "_type_", name + "_column_type_");
+
+        os << "};";
       }
 
       os << "static const " << name << "_type_ " << name << ";"
diff --git a/odb/relational/common.hxx b/odb/relational/common.hxx
index e7400c7..a259604 100644
--- a/odb/relational/common.hxx
+++ b/odb/relational/common.hxx
@@ -91,6 +91,9 @@ namespace relational
     }
 
     virtual void
+    column_ctor (string const& type, string const& base);
+
+    virtual void
     column_ctor_extra (semantics::data_member&)
     {
     }
diff --git a/odb/relational/mssql/common.cxx b/odb/relational/mssql/common.cxx
index 3112c2d..3f5cf74 100644
--- a/odb/relational/mssql/common.cxx
+++ b/odb/relational/mssql/common.cxx
@@ -551,6 +551,18 @@ namespace relational
       }
 
       virtual void
+      column_ctor (string const& type, string const& base)
+      {
+        os << type << " (const char* t," << endl
+           << "const char* c," << endl
+           << "unsigned short p = 0," << endl
+           << "unsigned short s = 0xFFFF)" << endl
+           << "  : " << base << " (t, c, p, s)"
+           << "{"
+           << "}";
+      }
+
+      virtual void
       column_ctor_extra (semantics::data_member& m)
       {
         // For some types we need to pass precision and scale.