debug

provsql/provenance.py

@@ -52,17 +52,17 @@ def preprocess_query(query, cur, conn):
     tables = tablesInQuery(query)
     output = []
     for table in tables:
-        if table in tablesWithProvenance:
-            continue
-        command1 = "select add_provenance('{}');".format(table)
-        command2 = "select create_provenance_mapping('{}_provtuple_mapping','{}','provtuple');".format(table, table)
-        ut.commitAndExecute(conn, cur, command1)
-        ut.commitAndExecute(conn, cur, command2)
+        if table not in tablesWithProvenance:
+            command1 = "select add_provenance('{}');".format(table)
+            command2 = "select create_provenance_mapping('{}_provtuple_mapping','{}','provtuple');".format(table, table)
+            ut.commitAndExecute(conn, cur, command1)
+            ut.commitAndExecute(conn, cur, command2)
+            tablesWithProvenance[table] = 1
         formula = " formula(provenance(), '{}_provtuple_mapping'), ".format(table)
         index = query.find('select') + 6
         tmp = query[:index] + formula + query[index:]
         output.append(tmp)
-        tablesWithProvenance[table] = 1
+        
     return (tables,output)
 
 #formulas:[[formula1, formula2, ...],