From e5d0186db99492a139237067bab841a5b83463af Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 24 Jan 2024 19:01:19 +0300
Subject: Turn libodb-sqlite repository into package for muti-package
 repository

---
 .../odb/sqlite/polymorphic-object-statements.txx   | 145 +++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 libodb-sqlite/odb/sqlite/polymorphic-object-statements.txx

(limited to 'libodb-sqlite/odb/sqlite/polymorphic-object-statements.txx')

diff --git a/libodb-sqlite/odb/sqlite/polymorphic-object-statements.txx b/libodb-sqlite/odb/sqlite/polymorphic-object-statements.txx
new file mode 100644
index 0000000..6a376d3
--- /dev/null
+++ b/libodb-sqlite/odb/sqlite/polymorphic-object-statements.txx
@@ -0,0 +1,145 @@
+// file      : odb/sqlite/polymorphic-object-statements.txx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <cstring> // std::memset
+
+#include <odb/callback.hxx>
+#include <odb/exceptions.hxx>
+
+#include <odb/sqlite/connection.hxx>
+#include <odb/sqlite/transaction.hxx>
+#include <odb/sqlite/statement-cache.hxx>
+#include <odb/sqlite/traits-calls.hxx>
+
+namespace odb
+{
+  namespace sqlite
+  {
+    //
+    // polymorphic_root_object_statements
+    //
+
+    template <typename T>
+    polymorphic_root_object_statements<T>::
+    ~polymorphic_root_object_statements ()
+    {
+    }
+
+    template <typename T>
+    polymorphic_root_object_statements<T>::
+    polymorphic_root_object_statements (connection_type& conn)
+        : object_statements<T> (conn),
+          discriminator_image_binding_ (discriminator_image_bind_,
+                                        discriminator_column_count +
+                                        managed_optimistic_column_count),
+          discriminator_id_image_binding_ (discriminator_id_image_bind_,
+                                           id_column_count)
+    {
+      discriminator_image_.version = 0;
+      discriminator_id_image_.version = 0;
+
+      discriminator_image_version_ = 0;
+      discriminator_id_image_version_ = 0;
+
+      std::memset (discriminator_image_bind_,
+                   0,
+                   sizeof (discriminator_image_bind_));
+      std::memset (discriminator_id_image_bind_,
+                   0,
+                   sizeof (discriminator_id_image_bind_));
+      std::memset (discriminator_image_truncated_,
+                   0,
+                   sizeof (discriminator_image_truncated_));
+
+      for (std::size_t i (0);
+           i < discriminator_column_count + managed_optimistic_column_count;
+           ++i)
+      {
+        discriminator_image_bind_[i].truncated =
+          discriminator_image_truncated_ + i;
+      }
+    }
+
+    //
+    // polymorphic_derived_object_statements
+    //
+
+    template <typename T>
+    polymorphic_derived_object_statements<T>::
+    ~polymorphic_derived_object_statements ()
+    {
+    }
+
+    template <typename T>
+    polymorphic_derived_object_statements<T>::
+    polymorphic_derived_object_statements (connection_type& conn)
+        : statements_base (conn),
+          root_statements_ (conn.statement_cache ().find_object<root_type> ()),
+          base_statements_ (conn.statement_cache ().find_object<base_type> ()),
+          insert_image_binding_ (insert_image_bind_, insert_column_count),
+          update_image_binding_ (update_image_bind_,
+                                 update_column_count + id_column_count)
+    {
+      image_.base = &base_statements_.image ();
+      image_.version = 0;
+
+      for (std::size_t i (0); i < object_traits::depth; ++i)
+        select_image_versions_[i] = 0;
+
+      for (std::size_t i (0);
+           i < (object_traits::abstract ? 1 : object_traits::depth);
+           ++i)
+      {
+        select_image_bindings_[i].bind = select_image_bind_;
+        select_image_bindings_[i].count = object_traits::find_column_counts[i];
+      }
+
+      insert_image_version_ = 0;
+      insert_id_binding_version_ = 0;
+      update_image_version_ = 0;
+      update_id_binding_version_ = 0;
+
+      std::memset (insert_image_bind_, 0, sizeof (insert_image_bind_));
+      std::memset (update_image_bind_, 0, sizeof (update_image_bind_));
+      std::memset (select_image_bind_, 0, sizeof (select_image_bind_));
+      std::memset (
+        select_image_truncated_, 0, sizeof (select_image_truncated_));
+
+      for (std::size_t i (0); i < select_column_count; ++i)
+        select_image_bind_[i].truncated = select_image_truncated_ + i;
+    }
+
+    template <typename T>
+    void polymorphic_derived_object_statements<T>::
+    delayed_loader (odb::database& db,
+                    const id_type& id,
+                    root_type& robj,
+                    const schema_version_migration* svm)
+    {
+      connection_type& conn (transaction::current ().connection (db));
+      polymorphic_derived_object_statements& sts (
+        conn.statement_cache ().find_object<object_type> ());
+      root_statements_type& rsts (sts.root_statements ());
+
+      object_type& obj (static_cast<object_type&> (robj));
+
+      // The same code as in object_statements::load_delayed_().
+      //
+      object_traits_calls<T> tc (svm);
+
+      if (!tc.find_ (sts, &id))
+        throw object_not_persistent ();
+
+      object_traits::callback (db, obj, callback_event::pre_load);
+      tc.init (obj, sts.image (), &db);
+      tc.load_ (sts, obj, false); // Load containers, etc.
+
+      rsts.load_delayed (svm);
+
+      {
+        typename root_statements_type::auto_unlock u (rsts);
+        object_traits::callback (db, obj, callback_event::post_load);
+      }
+    }
+  }
+}
-- 
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