diff options
Diffstat (limited to 'odb/relational/source.cxx')
| -rw-r--r-- | odb/relational/source.cxx | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/odb/relational/source.cxx b/odb/relational/source.cxx index 83e3c40..3b96ab5 100644 --- a/odb/relational/source.cxx +++ b/odb/relational/source.cxx @@ -19,9 +19,11 @@ traverse_object (type& c) { using semantics::data_member; - data_member* id (id_member (c)); + data_member_path* id (id_member (c)); + data_member* idf (id ? id->front () : 0); + data_member* idb (id ? id->back () : 0); bool auto_id (id && auto_ (*id)); - bool base_id (id && &id->scope () != &c); // Comes from base. + bool base_id (id && &idf->scope () != &c); // Comes from base. data_member* opt (optimistic (c)); @@ -42,7 +44,7 @@ traverse_object (type& c) if (generate_grow) { grow = context::grow (c); - grow_id = (id ? context::grow (*id) : false) || + grow_id = (id ? context::grow (*idb) : false) || (opt ? context::grow (*opt) : false); } @@ -188,7 +190,7 @@ traverse_object (type& c) << "ODB_POTENTIALLY_UNUSED (db);" << endl << "id_type id;"; - init_id_value_member_id_image_->traverse (*id); + init_id_value_member_id_image_->traverse (*idb); os << "return id;" << "}"; } @@ -205,7 +207,35 @@ traverse_object (type& c) << "ODB_POTENTIALLY_UNUSED (db);" << endl << "id_type id;"; - init_id_value_member_->traverse (*id); + + // Handle nested id. + // + if (id->size () > 1) + { + string var; + + for (data_member_path::const_iterator i (id->begin ()); + i != id->end (); + ++i) + { + // The same logic as in member_base. + // + if (!var.empty ()) + var += "value."; // Composite. + + string const& name ((*i)->name ()); + var += name; + + if (name[name.size () - 1] != '_') + var += '_'; + } + + instance<init_value_member> t ("id", var); + t->traverse (*idb); + } + else + init_id_value_member_->traverse (*idb); + os << "return id;" << "}"; } @@ -339,7 +369,7 @@ traverse_object (type& c) { // The id reference comes first in the insert statement. // - os << "// " << id->name () << endl + os << "// " << idf->name () << endl << "//" << endl << "if (sk == statement_insert)" << "{" @@ -358,7 +388,7 @@ traverse_object (type& c) // The id reference comes last in the update statement. // if (!readonly) - os << "// " << id->name () << endl + os << "// " << idf->name () << endl << "//" << endl << "if (sk == statement_update)" << "{" @@ -398,7 +428,7 @@ traverse_object (type& c) if (composite_wrapper (utype (*id))) os << db << "::statement_kind sk (" << db << "::statement_select);"; - bind_id_member_->traverse (*id); + bind_id_member_->traverse (*idb); if (opt != 0) { @@ -516,7 +546,7 @@ traverse_object (type& c) if (composite_wrapper (utype (*id))) os << db << "::statement_kind sk (" << db << "::statement_select);"; - init_id_image_member_->traverse (*id); + init_id_image_member_->traverse (*idb); if (opt != 0) { @@ -1222,9 +1252,9 @@ traverse_object (type& c) if (!poly_derived && auto_id && insert_send_auto_id) { - string const& n (id->name ()); + string const& n (idf->name ()); string var ("im." + n + (n[n.size () - 1] == '_' ? "" : "_")); - init_auto_id (*id, var); + init_auto_id (*idf, var); // idf == idb, since auto os << endl; } @@ -1278,9 +1308,9 @@ traverse_object (type& c) << "throw object_already_persistent ();" << endl; - if (!poly_derived && auto_id) + if (!poly_derived && auto_id) // idf == idb since auto { - set_member (*id, "obj", "id (sts.id_image ())", "db", "id_type"); + set_member (*idf, "obj", "id (sts.id_image ())", "db", "id_type"); os << endl; } @@ -1486,9 +1516,9 @@ traverse_object (type& c) // Extract auto id. // - if (auto_id) + if (auto_id) // idb == idf, since auto { - set_member (*id, "obj", "id (sts.id_image (i))", "db", "id_type"); + set_member (*idf, "obj", "id (sts.id_image (i))", "db", "id_type"); os << endl; } @@ -4867,7 +4897,7 @@ traverse_view (type& c) { // container.value = pointer.id // - semantics::data_member& id (*id_member (*e.vo->obj)); + data_member_path& id (*id_member (*e.vo->obj)); c_cols->traverse (imb, utype (id), "value", "value"); o_cols->traverse (id); @@ -4877,7 +4907,7 @@ traverse_view (type& c) { // container.id = pointed-to.id // - semantics::data_member& id (*id_member (*vo->obj)); + data_member_path& id (*id_member (*vo->obj)); c_cols->traverse (imb, utype (id), "id", "object_id", vo->obj); o_cols->traverse (id); @@ -4890,7 +4920,7 @@ traverse_view (type& c) { // container.id = pointer.id // - semantics::data_member& id (*id_member (*e.vo->obj)); + data_member_path& id (*id_member (*e.vo->obj)); c_cols->traverse ( m, utype (id), "id", "object_id", e.vo->obj); @@ -4901,7 +4931,7 @@ traverse_view (type& c) { // container.value = pointed-to.id // - semantics::data_member& id (*id_member (*vo->obj)); + data_member_path& id (*id_member (*vo->obj)); c_cols->traverse (m, utype (id), "value", "value"); o_cols->traverse (id); @@ -4961,7 +4991,7 @@ traverse_view (type& c) { // container.id = pointed-to.id // - semantics::data_member& id (*id_member (*vo->obj)); + data_member_path& id (*id_member (*vo->obj)); c_cols->traverse (imb, utype (id), "id", "object_id", vo->obj); o_cols->traverse (id); @@ -4971,7 +5001,7 @@ traverse_view (type& c) { // container.value = pointer.id // - semantics::data_member& id (*id_member (*e.vo->obj)); + data_member_path& id (*id_member (*e.vo->obj)); c_cols->traverse (imb, utype (id), "value", "value"); o_cols->traverse (id); @@ -4984,7 +5014,7 @@ traverse_view (type& c) { // container.value = pointed-to.id // - semantics::data_member& id (*id_member (*vo->obj)); + data_member_path& id (*id_member (*vo->obj)); c_cols->traverse (m, utype (id), "value", "value"); o_cols->traverse (id); @@ -4994,7 +5024,7 @@ traverse_view (type& c) { // container.id = pointer.id // - semantics::data_member& id (*id_member (*e.vo->obj)); + data_member_path& id (*id_member (*e.vo->obj)); c_cols->traverse (m, utype (id), "id", "object_id", e.vo->obj); o_cols->traverse (id); |