Merge pull request #16655 from ggovi/conddb-utilities-conddb-tool-fix…

…1.1-81X

Fix for GLOBAL_TAG table names in sqlite files

CondCore/Utilities/python/conddblib.py

@@ -273,6 +273,8 @@ class IOV:
                             'payload_hash':(DbRef(Payload,'hash'),_Col.pk) }
 
 
+# the string  'GLOBAL' being a keyword in sqlalchemy ( upper case ), when used in the model cause the two GT tables to be unreadable ( bug ) 
+# the only choice is to use lower case names, and rename the tables in sqlite after creation!!
 class GlobalTag:
     __tablename__       = 'global_tag'
     columns             = { 'name':(sqlalchemy.String(name_length),_Col.pk),
@@ -282,7 +284,6 @@ class GlobalTag:
                             'insertion_time':(sqlalchemy.TIMESTAMP,_Col.notNull),
                             'snapshot_time':(sqlalchemy.TIMESTAMP,_Col.notNull) }
 
-
 class GlobalTagMap:
     __tablename__       = 'global_tag_map'
     columns             = { 'global_tag_name':(DbRef(GlobalTag,'name'),_Col.pk),
@@ -348,6 +349,7 @@ def __init__(self, url, init=False):
             'cms_orcon_prod',
             'cmsintr_lb',
         }
+        self._url = url
         self._backendName = ('sqlite' if self._is_sqlite else 'oracle' ) 
         self._schemaName = ( None if self._is_sqlite else schema_name )
         logging.debug(' ... using db "%s", schema "%s"' % (url, self._schemaName) )
@@ -429,7 +431,19 @@ def init(self, drop=False):
         self.get_dbtype(GlobalTag).__table__.create(bind = self.engine)
         self.get_dbtype(GlobalTagMap).__table__.create(bind = self.engine)
         #self.metadata.create_all(self.engine)
-
+        if self.is_sqlite:
+            # horrible hack, but no choice because of the sqlalchemy bug ( see comment in the model) 
+            import sqlite3
+            import string
+            conn = sqlite3.connect( self._url.database )
+            c = conn.cursor()
+            stmt = string.Template('ALTER TABLE $before RENAME TO $after')
+            c.execute( stmt.substitute( before=GlobalTag.__tablename__, after='TMP0' ) )
+            c.execute( stmt.substitute( before='TMP0', after=GlobalTag.__tablename__.upper() ) )
+            c.execute( stmt.substitute( before=GlobalTagMap.__tablename__, after='TMP1' ) )
+            c.execute( stmt.substitute( before='TMP1', after=GlobalTagMap.__tablename__.upper() ) )
+            conn.commit()
+            conn.close()
         # TODO: Create indexes
         #logger.debug('Creating indexes...')