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authorBoris Kolpackov <boris@codesynthesis.com>2012-11-02 12:18:42 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2012-11-02 12:18:42 +0200
commitfd5ba96357002c0964453fea38ee6a813cf02826 (patch)
treefb90043fe8475fa48c62a6f70ea7a4af55a50bb2
parent255473612bbf9e753fa83fd7ccfd6e498175f83a (diff)
Rework query alias tag system
Now each object pointer or view-associated object with alias gets its own unique tag.
-rw-r--r--odb/query.hxx9
1 files changed, 4 insertions, 5 deletions
diff --git a/odb/query.hxx b/odb/query.hxx
index d5d0a19..ffff7f7 100644
--- a/odb/query.hxx
+++ b/odb/query.hxx
@@ -12,8 +12,7 @@
namespace odb
{
- // Table alias for type T and alias tag Tag. The dummy third template
- // argument is used to make the C++ compiler weed out duplicates.
+ // Table alias for type T and tag Tag.
//
// The alias_traits interface consists of two things: the table_name
// static variable containing the name and, in case of a derived type
@@ -22,16 +21,16 @@ namespace odb
// we need straight tables instead of aliases.
//
//
- template <typename T, database_id DB, typename Tag, bool dummy = true>
+ template <typename T, database_id DB, typename Tag>
struct alias_traits;
template <typename T, database_id DB>
struct query_columns_base;
- template <typename T, database_id DB, typename Alias>
+ template <typename T, database_id DB, typename A>
struct query_columns;
- template <typename T, database_id DB, typename Alias>
+ template <typename T, database_id DB, typename A>
struct pointer_query_columns;
// Object pointer syntax wrapper.