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authorBoris Kolpackov <boris@codesynthesis.com>2013-04-03 11:22:42 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2013-04-10 18:46:46 +0200
commit516523183fad016a26c7400d784eb9c0343b7964 (patch)
treeb2e5df0194c28df2b9bcaf822f6f06b92a267118 /evolution/drop-table/driver.cxx
parente7f6315882ef16939f99dd757eaf800b9f12e92b (diff)
Generate add/drop table migration statements
Diffstat (limited to 'evolution/drop-table/driver.cxx')
-rw-r--r--evolution/drop-table/driver.cxx111
1 files changed, 111 insertions, 0 deletions
diff --git a/evolution/drop-table/driver.cxx b/evolution/drop-table/driver.cxx
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+// file : evolution/drop-table/driver.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test dropping a table (object, container).
+//
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test1.hxx"
+#include "test2.hxx"
+#include "test1-odb.hxx"
+#include "test2-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+ try
+ {
+ auto_ptr<database> db (create_database (argc, argv));
+
+ // 1 - base version
+ // 2 - migration
+ // 3 - current version
+ //
+ unsigned short pass (*argv[argc - 1] - '0');
+
+ switch (pass)
+ {
+ case 1:
+ {
+ using namespace v2;
+
+ object1 o1;
+ o1.o = new object (1);
+ o1.o->str = "abc";
+ o1.nums.push_back (1);
+ o1.nums.push_back (2);
+ o1.nums.push_back (3);
+
+ {
+ transaction t (db->begin ());
+ db->persist (o1.o);
+ db->persist (o1);
+ t.commit ();
+ }
+ break;
+ }
+ case 2:
+ {
+ using namespace v2; // @@ v3; soft immediate drop
+
+ // Both object and object1 are still there so we can migrate the data.
+ //
+ typedef odb::query<object1> query;
+ typedef odb::result<object1> result;
+
+ {
+ transaction t (db->begin ());
+
+ result r (db->query<object1> (query::o->str == "abc"));
+ result::iterator i (r.begin ()), e (r.end ());
+
+ assert (i != e &&
+ i->o->id_ == 1 &&
+ i->nums[0] == 1 && i->nums[1] == 2 && i->nums[2] == 3);
+ assert (++i == e);
+
+ t.commit ();
+ }
+
+ break;
+ }
+ case 3:
+ {
+ using namespace v3;
+
+ // Only object is still there.
+ //
+ {
+ transaction t (db->begin ());
+ auto_ptr<object> p (db->load<object> (1));
+ assert (p->str == "abc");
+ t.commit ();
+ }
+
+ break;
+ }
+ default:
+ {
+ cerr << "unknown pass number '" << argv[argc - 1] << "'" << endl;
+ return 1;
+ }
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}