Add dynamic multi-database query support

1 files changed, 73 insertions, 0 deletions

diff --git a/odb/oracle/query-dynamic.ixx b/odb/oracle/query-dynamic.ixx
new file mode 100644
index 0000000..4554921
--- /dev/null
+++ b/odb/oracle/query-dynamic.ixx
@@ -0,0 +1,73 @@
+// file      : odb/oracle/query-dynamic.ixx
+// copyright : Copyright (c) 2005-2012 Code Synthesis Tools CC
+// license   : ODB NCUEL; see accompanying LICENSE file
+
+namespace odb
+{
+  namespace oracle
+  {
+    //
+    //
+    template <typename T, database_type_id ID>
+    inline query_column<T, ID>::
+    query_column (odb::query_column<T>& qc,
+                  const char* table,
+                  const char* column,
+                  const char* conv,
+                  unsigned short prec,
+                  short scale)
+        : query_column_base (table, column, conv, prec, scale)
+    {
+      native_column_info& ci (qc.native_info[id_oracle]);
+      ci.column = static_cast<query_column_base*> (this);
+
+      // For some reason GCC needs this statically-typed pointer in
+      // order to instantiate the functions.
+      //
+      query_param_factory f (&query_param_factory_impl<T, ID>);
+      ci.param_factory = reinterpret_cast<void*> (f);
+    }
+
+    template <typename T>
+    inline query_column<T, id_blob>::
+    query_column (odb::query_column<T>& qc,
+                  const char* table, const char* column, const char*)
+        : lob_query_column (table, column)
+    {
+      native_column_info& ci (qc.native_info[id_oracle]);
+      ci.column = static_cast<query_column_base*> (this);
+
+      // In Oracle LOBs cannot be compared.
+      //
+      ci.param_factory = 0;
+    }
+
+    template <typename T>
+    inline query_column<T, id_clob>::
+    query_column (odb::query_column<T>& qc,
+                  const char* table, const char* column, const char*)
+        : lob_query_column (table, column)
+    {
+      native_column_info& ci (qc.native_info[id_oracle]);
+      ci.column = static_cast<query_column_base*> (this);
+
+      // In Oracle LOBs cannot be compared.
+      //
+      ci.param_factory = 0;
+    }
+
+    template <typename T>
+    inline query_column<T, id_nclob>::
+    query_column (odb::query_column<T>& qc,
+                  const char* table, const char* column, const char*)
+        : lob_query_column (table, column)
+    {
+      native_column_info& ci (qc.native_info[id_oracle]);
+      ci.column = static_cast<query_column_base*> (this);
+
+      // In Oracle LOBs cannot be compared.
+      //
+      ci.param_factory = 0;
+    }
+  }
+}