misc: quote table names when droping (#43063)

wcs_olap/feeder.py

@@ -328,7 +328,7 @@ class WcsOlapFeeder(object):
         """
         self.ex("SELECT tablename FROM pg_tables WHERE schemaname = '%s'" % schema)
         for table in self.cur.fetchall():
-            tablename = '%s.%s' % (schema, table[0])
+            tablename = '%s.%s' % (quote(schema), quote(table[0]))
             self.ex('DROP TABLE IF EXISTS %s CASCADE;' % tablename)
 
     def do_dates_table(self):