diff -r 000000000000 -r b97547f5f1fa misc/migration/bootstrapmigration_repository.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/migration/bootstrapmigration_repository.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,43 @@
+"""allways executed before all others in server migration
+
+it should only include low level schema changes
+
+:organization: Logilab
+:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+"""
+
+if applcubicwebversion < (2, 47, 0) and cubicwebversion >= (2, 47, 0):
+    from cubicweb.server import schemaserial
+    schemaserial.HAS_FULLTEXT_CONTAINER = False
+    cnx.set_shared_data('do-not-insert-is_instance_of', True)
+    add_attribute('ERType', 'fulltext_container')
+    schemaserial.HAS_FULLTEXT_CONTAINER = True
+
+
+ 
+if applcubicwebversion < (2, 50, 0) and cubicwebversion >= (2, 50, 0):
+    cnx.set_shared_data('do-not-insert-is_instance_of', True)
+    add_relation_type('is_instance_of')
+    # fill the relation using an efficient sql query instead of using rql
+    sql('INSERT INTO is_instance_of_relation '
+	'  SELECT * from is_relation')
+    checkpoint()
+    cnx.set_shared_data('do-not-insert-is_instance_of', False)
+
+if applcubicwebversion < (2, 42, 0) and cubicwebversion >= (2, 42, 0):
+    sql('ALTER TABLE entities ADD COLUMN mtime TIMESTAMP')
+    sql('UPDATE entities SET mtime=CURRENT_TIMESTAMP')
+    sql('CREATE INDEX entities_mtime_idx ON entities(mtime)')
+    sql('''CREATE TABLE deleted_entities (
+  eid INTEGER PRIMARY KEY NOT NULL,
+  type VARCHAR(64) NOT NULL,
+  source VARCHAR(64) NOT NULL,
+  dtime TIMESTAMP NOT NULL,
+  extid VARCHAR(256)
+)''')
+    sql('CREATE INDEX deleted_entities_type_idx ON deleted_entities(type)')
+    sql('CREATE INDEX deleted_entities_dtime_idx ON deleted_entities(dtime)')
+    sql('CREATE INDEX deleted_entities_extid_idx ON deleted_entities(extid)')
+    checkpoint()
+