From 1feaef1c1e2c8daba97b20e1fb012706c6adf1ce Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 22 Aug 2011 11:47:55 +0200
Subject: Add database::erase_query() function

New test: common/erase-query. Documentation is in Section 3.9, "Deleting
Persistent Objects". The current implementation does not work well with
the session (no removal of the erased objects from the cache).
---
 odb/database.hxx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'odb/database.hxx')

diff --git a/odb/database.hxx b/odb/database.hxx
index c4458d9..2e6c79d 100644
--- a/odb/database.hxx
+++ b/odb/database.hxx
@@ -125,6 +125,24 @@ namespace odb
     void
     erase (const typename object_traits<T>::pointer_type& obj_ptr);
 
+    // Erase multiple objects matching a query predicate.
+    //
+    template <typename T>
+    unsigned long long
+    erase_query ();
+
+    template <typename T>
+    unsigned long long
+    erase_query (const char*);
+
+    template <typename T>
+    unsigned long long
+    erase_query (const std::string&);
+
+    template <typename T>
+    unsigned long long
+    erase_query (const odb::query<typename object_traits<T>::object_type>&);
+
     // Query API.
     //
     template <typename T>
-- 
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