Handling of dynamic empty statements as result of versioning

1 files changed, 339 insertions, 0 deletions

diff --git a/evolution/soft-delete/driver.cxx b/evolution/soft-delete/driver.cxx
new file mode 100644
index 0000000..8577819
--- /dev/null
+++ b/evolution/soft-delete/driver.cxx
@@ -0,0 +1,339 @@
+// file      : evolution/soft-delete/driver.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test soft-delete functionality.
+//
+
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+#include <odb/schema-catalog.hxx>
+
+#include <common/common.hxx>
+
+#include "test2.hxx"
+#include "test3.hxx"
+#include "test2-odb.hxx"
+#include "test3-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv, false));
+    bool embedded (schema_catalog::exists (*db));
+
+    // 1 - base version
+    // 2 - migration
+    // 3 - current version
+    //
+    unsigned short pass (*argv[argc - 1] - '0');
+
+    switch (pass)
+    {
+    case 1:
+      {
+        using namespace v2;
+
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::drop_schema (*db);
+          schema_catalog::drop_schema (*db, "2");
+          schema_catalog::create_schema (*db, "", false);
+          schema_catalog::migrate_schema (*db, 2);
+          t.commit ();
+        }
+
+        // Test soft-deleted objects.
+        //
+        {
+          using namespace test1;
+
+          object o (1);
+          o.num = 123;
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            t.commit ();
+          }
+        }
+
+        // SQLite doesn't support dropping of columns.
+        //
+#ifndef DATABASE_SQLITE
+
+        // Test basic soft-deleted member logic.
+        //
+        {
+          using namespace test2;
+
+          object o (1);
+          o.str = "abc";
+          o.num = 123;
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            t.commit ();
+          }
+        }
+
+#endif // DATABASE_SQLITE
+        break;
+      }
+    case 2:
+      {
+        using namespace v3;
+
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::migrate_schema_pre (*db, 3);
+          t.commit ();
+        }
+
+        // Test soft-deleted objects.
+        //
+        {
+          using namespace test1;
+
+          {
+            transaction t (db->begin ());
+            auto_ptr<object> p (db->load<object> (1));
+            assert (p->num == 123);
+            t.commit ();
+          }
+        }
+
+        // SQLite doesn't support dropping of columns.
+        //
+#ifndef DATABASE_SQLITE
+
+        // Test basic soft-deleted member logic.
+        //
+        {
+          using namespace test2;
+
+          // All the database operations should still include the deleted
+          // member
+          //
+          {
+            transaction t (db->begin ());
+            auto_ptr<object> p (db->load<object> (1));
+            assert (p->str == "abc" && p->num == 123);
+            t.commit ();
+          }
+
+          {
+            typedef odb::query<object> query;
+            typedef odb::result<object> result;
+
+            transaction t (db->begin ());
+            result r (db->query<object> (query::str == "abc"));
+            result::iterator i (r.begin ());
+            assert (i != r.end () && i->str == "abc" && i->num == 123);
+            t.commit ();
+          }
+
+          object o (2);
+          o.str = "bcd";
+          o.num = 234;
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            auto_ptr<object> p (db->load<object> (2));
+            assert (p->str == "bcd" && p->num == 234);
+            t.commit ();
+          }
+
+          o.str += 'e';
+          o.num++;
+
+          {
+            transaction t (db->begin ());
+            db->update (o);
+            auto_ptr<object> p (db->load<object> (2));
+            assert (p->str == "bcde" && p->num == 235);
+            t.commit ();
+          }
+
+          {
+            transaction t (db->begin ());
+            db->erase (o);
+            t.commit ();
+          }
+        }
+
+#endif // DATABASE_SQLITE
+
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::migrate_schema_post (*db, 3);
+          t.commit ();
+        }
+        break;
+      }
+    case 3:
+      {
+        using namespace v3;
+
+        // Test soft-deleted objects.
+        //
+        {
+          using namespace test1;
+
+          try
+          {
+            transaction t (db->begin ());
+            auto_ptr<object> p (db->load<object> (1)); // No such table.
+            assert (false);
+          }
+          catch (const odb::exception&) {}
+        }
+
+        // SQLite doesn't support dropping of columns.
+        //
+#ifndef DATABASE_SQLITE
+
+        // Test basic soft-deleted member logic.
+        //
+        {
+          using namespace test2;
+
+          // Now none of the database operations should include the
+          // deleted member.
+          //
+          {
+            transaction t (db->begin ());
+            auto_ptr<object> p (db->load<object> (1));
+            assert (p->str == "" && p->num == 123);
+            t.commit ();
+          }
+
+          {
+            typedef odb::query<object> query;
+            typedef odb::result<object> result;
+
+            transaction t (db->begin ());
+            result r (db->query<object> (query::num == 123));
+            result::iterator i (r.begin ());
+            assert (i != r.end () && i->str == "" && i->num == 123);
+
+            try
+            {
+              db->query<object> (query::str == "abc"); // No such column.
+              assert (false);
+            }
+            catch (const odb::exception&) {}
+
+            t.commit ();
+          }
+
+          object o (2);
+          o.str = "bcd";
+          o.num = 234;
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            auto_ptr<object> p (db->load<object> (2));
+            assert (p->str == "" && p->num == 234);
+            t.commit ();
+          }
+
+          o.str += 'e';
+          o.num++;
+
+          {
+            transaction t (db->begin ());
+            db->update (o);
+            auto_ptr<object> p (db->load<object> (2));
+            assert (p->str == "" && p->num == 235);
+            t.commit ();
+          }
+
+          {
+            transaction t (db->begin ());
+            db->erase (o);
+            t.commit ();
+          }
+        }
+
+        // Test empty statement handling (INSERT, UPDATE).
+        //
+        {
+          using namespace test3;
+
+          // Now none of the database operations should include the
+          // deleted member.
+          //
+          object o;
+          o.str = "bcd";
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            auto_ptr<object> p (db->load<object> (o.id));
+            assert (p->str == "");
+            t.commit ();
+          }
+
+          o.str += 'e';
+
+          {
+            transaction t (db->begin ());
+            db->update (o);
+            auto_ptr<object> p (db->load<object> (o.id));
+            assert (p->str == "");
+            t.commit ();
+          }
+        }
+
+        // Test empty statement handling (SELECT in polymorphic loader).
+        //
+        {
+          using namespace test4;
+
+          // Now none of the database operations should include the
+          // deleted member.
+          //
+          object o (1);
+          o.str = "abc";
+
+          {
+            transaction t (db->begin ());
+            db->persist (o);
+            auto_ptr<base> p (db->load<base> (1));
+            assert (static_cast<object&> (*p).str == "");
+            t.commit ();
+          }
+        }
+
+#endif // DATABASE_SQLITE
+        break;
+      }
+    default:
+      {
+        cerr << "unknown pass number '" << argv[argc - 1] << "'" << endl;
+        return 1;
+      }
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}