From d78ba3e97cbe0d6c641120d94d47e25b198febfb Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 25 Apr 2013 07:35:45 +0200
Subject: Add support for schema version table

---
 odb/schema-catalog.cxx | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'odb/schema-catalog.cxx')

diff --git a/odb/schema-catalog.cxx b/odb/schema-catalog.cxx
index 9599afe..137931f 100644
--- a/odb/schema-catalog.cxx
+++ b/odb/schema-catalog.cxx
@@ -147,6 +147,30 @@ namespace odb
       if (!pre || m != migrate_both)
         break;
     }
+
+    // Update the schema version on the database instance.
+    //
+    db.schema_version (v, m == migrate_pre, name);
+  }
+
+  void schema_catalog::
+  migrate (database& db, schema_version v, const std::string& name)
+  {
+    schema_version latest (latest_version (db, name));
+
+    if (v == 0)
+      v = latest;
+    else if (v > latest)
+      throw unknown_schema_version (v);
+
+    for (schema_version i (next_version (db, 0, name));
+         i != 0 && i <= v;
+         i = next_version (db, i, name))
+    {
+      migrate_schema_pre (db, i, name);
+      // migrate_data (db, i, name);
+      migrate_schema_post (db, i, name);
+    }
   }
 
   schema_version schema_catalog::
-- 
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