From b0c2c30dd0b83ea67fb2c8375ae2061dad0d1770 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 9 Apr 2013 16:17:27 +0200
Subject: Add support for embedded schema migration

---
 evolution/drop-foreign-key/driver.cxx | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'evolution/drop-foreign-key/driver.cxx')

diff --git a/evolution/drop-foreign-key/driver.cxx b/evolution/drop-foreign-key/driver.cxx
index a63886b..8fe332b 100644
--- a/evolution/drop-foreign-key/driver.cxx
+++ b/evolution/drop-foreign-key/driver.cxx
@@ -11,6 +11,7 @@
 
 #include <odb/database.hxx>
 #include <odb/transaction.hxx>
+#include <odb/schema-catalog.hxx>
 
 #include <common/common.hxx>
 
@@ -27,7 +28,12 @@ main (int argc, char* argv[])
 {
   try
   {
-    auto_ptr<database> db (create_database (argc, argv));
+    auto_ptr<database> db (create_database (argc, argv, false));
+
+    // SQLite doesn't support dropping of foreign keys.
+    //
+#ifndef DATABASE_SQLITE
+    bool embedded (schema_catalog::exists (*db, "test2"));
 
     // 1 - base version
     // 2 - migration
@@ -41,6 +47,15 @@ main (int argc, char* argv[])
       {
         using namespace v2;
 
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::create_schema (*db, "test2");
+          schema_catalog::create_schema (*db, "test1");
+          schema_catalog::migrate_schema (*db, 2, "test2");
+          t.commit ();
+        }
+
         object o (1);
         o.o1 = new object (2);
         o.o2 = new object (3);
@@ -72,6 +87,13 @@ main (int argc, char* argv[])
       {
         using namespace v3;
 
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::migrate_schema_pre (*db, 3, "test2");
+          t.commit ();
+        }
+
         // The data is still there but the constraints are gone.
         //
         {
@@ -86,6 +108,13 @@ main (int argc, char* argv[])
 
           t.commit ();
         }
+
+        if (embedded)
+        {
+          transaction t (db->begin ());
+          schema_catalog::migrate_schema_post (*db, 3, "test2");
+          t.commit ();
+        }
         break;
       }
     case 3:
@@ -107,6 +136,7 @@ main (int argc, char* argv[])
         return 1;
       }
     }
+#endif // DATABASE_SQLITE
   }
   catch (const odb::exception& e)
   {
-- 
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