Add support for container persistence

Generalize statements that were used for persisting objects to work for
both objects and containers. Implement a cache for container statements.

1 files changed, 35 insertions, 0 deletions

diff --git a/odb/mysql/container-statements.txx b/odb/mysql/container-statements.txx
new file mode 100644
index 0000000..a4bb7e5
--- /dev/null
+++ b/odb/mysql/container-statements.txx
@@ -0,0 +1,35 @@
+// file      : odb/mysql/container-statements.txx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <cstddef> // std::size_t
+#include <cstring> // std::memset
+
+namespace odb
+{
+  namespace mysql
+  {
+    // container_statements
+    //
+
+    template <typename T>
+    container_statements<T>::
+    container_statements (connection& conn)
+        : conn_ (conn),
+          functions_ (this,
+                      &traits::insert_one,
+                      &traits::load_all,
+                      &traits::delete_all),
+          cond_image_binding_ (cond_image_bind_, traits::cond_column_count),
+          data_image_binding_ (data_image_bind_, traits::data_column_count)
+    {
+      std::memset (cond_image_bind_, 0, sizeof (cond_image_bind_));
+      std::memset (data_image_bind_, 0, sizeof (data_image_bind_));
+      std::memset (data_image_error_, 0, sizeof (data_image_error_));
+
+      for (std::size_t i (0); i < traits::data_column_count; ++i)
+        data_image_bind_[i].error = data_image_error_ + i;
+    }
+  }
+}