From 475a7c89e1c858ae8fec466670af4628129a42d4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 28 Aug 2011 11:39:17 +0200
Subject: Add wrapper support for containers

---
 odb/relational/pgsql/common.cxx | 11 ++++++-----
 odb/relational/pgsql/common.hxx |  9 ++++++---
 odb/relational/pgsql/schema.cxx |  3 +--
 odb/relational/pgsql/source.cxx | 11 +++++------
 4 files changed, 18 insertions(+), 16 deletions(-)

(limited to 'odb/relational/pgsql')

diff --git a/odb/relational/pgsql/common.cxx b/odb/relational/pgsql/common.cxx
index d6ef9c3..e4d97cc 100644
--- a/odb/relational/pgsql/common.cxx
+++ b/odb/relational/pgsql/common.cxx
@@ -35,22 +35,23 @@ namespace relational
 
       semantics::type& t (type_override_ != 0 ? *type_override_ : m.type ());
 
-      if (semantics::class_* comp = comp_value_wrapper (t))
+      if (semantics::class_* c = comp_value_wrapper (t))
       {
         // If t is a wrapper, pass the wrapped type. Also pass the
         // original, wrapper type.
         //
-        member_info mi (
-          m, *comp, (wrapper (t) ? &t : 0), var, fq_type_override_);
+        member_info mi (m, *c, (wrapper (t) ? &t : 0), var, fq_type_override_);
         if (pre (mi))
         {
           traverse_composite (mi);
           post (mi);
         }
       }
-      else if (container (t))
+      else if (semantics::type* c = container_wrapper (t))
       {
-        member_info mi (m, t, 0, var, fq_type_override_);
+        // The same unwrapping logic as for composite values.
+        //
+        member_info mi (m, *c, (wrapper (t) ? &t : 0), var, fq_type_override_);
         if (pre (mi))
         {
           traverse_container (mi);
diff --git a/odb/relational/pgsql/common.hxx b/odb/relational/pgsql/common.hxx
index f41ca8c..a91c40a 100644
--- a/odb/relational/pgsql/common.hxx
+++ b/odb/relational/pgsql/common.hxx
@@ -40,10 +40,13 @@ namespace relational
         string
         fq_type (bool unwrap = true) const
         {
-          // At the moment a wrapped type can only be a composite value.
-          //
           if (wrapper != 0 && unwrap)
-            return t.fq_name ();
+          {
+            // Use the hint from the wrapper.
+            //
+            return t.fq_name (
+              wrapper->get<semantics::names*> ("wrapper-hint"));
+          }
 
           // Use the original type from 'm' instead of 't' since the hint
           // may be invalid for a different type. Plus, if a type is
diff --git a/odb/relational/pgsql/schema.cxx b/odb/relational/pgsql/schema.cxx
index 5bfbc71..0e66e79 100644
--- a/odb/relational/pgsql/schema.cxx
+++ b/odb/relational/pgsql/schema.cxx
@@ -186,7 +186,7 @@ namespace relational
         }
 
         virtual void
-        container (semantics::data_member& m)
+        container (semantics::data_member& m, semantics::type& t)
         {
           using semantics::type;
           using semantics::data_member;
@@ -201,7 +201,6 @@ namespace relational
           if (tables_.count (name))
             return;
 
-          type& t (m.type ());
           type& vt (container_vt (t));
 
           // object_id
diff --git a/odb/relational/pgsql/source.cxx b/odb/relational/pgsql/source.cxx
index 1bba68a..331463d 100644
--- a/odb/relational/pgsql/source.cxx
+++ b/odb/relational/pgsql/source.cxx
@@ -1003,7 +1003,7 @@ namespace relational
         container_traits (base const& x): base (x) {}
 
         virtual void
-        container_extra (semantics::data_member& m)
+        container_extra (semantics::data_member& m, semantics::type& t)
         {
           if (!c_.count ("object") || abstract (c_))
             return;
@@ -1039,8 +1039,7 @@ namespace relational
           semantics::data_member* inv_m (inverse (m, "value"));
           bool inv (inv_m != 0);
 
-          semantics::type& mt (m.type ());
-          semantics::type& vt (container_vt (mt));
+          semantics::type& vt (container_vt (t));
 
           string id_oid (oids[column_sql_type (m, "id").type]);
 
@@ -1055,7 +1054,7 @@ namespace relational
             {
               // many(i)-to-many
               //
-              if (context::container (inv_m->type ()))
+              if (container_wrapper (inv_m->type ()))
                 os << oids[column_sql_type (*inv_m, "value").type];
 
               // many(i)-to-one
@@ -1080,7 +1079,7 @@ namespace relational
             {
               os << id_oid << ",";
 
-              switch (container_kind (mt))
+              switch (container_kind (t))
               {
               case ck_ordered:
                 {
@@ -1093,7 +1092,7 @@ namespace relational
               case ck_multimap:
                 {
                   if (semantics::class_* ktc =
-                      comp_value_wrapper (container_kt (mt)))
+                      comp_value_wrapper (container_kt (t)))
                   {
                     instance<statement_oids> st;
                     st->traverse_composite (m, *ktc, "key", "key");
-- 
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