Add custom field group association proper processing

confdump.py

@@ -66,6 +66,11 @@ LOAD_TRIVIAL = ["FinancialType",
                 "Domain",
                 "Contact"]
 
+WEIRD_LIST = [
+    ("civicrm_contact", "contact_sub_type"),
+    ("civicrm_custom_group", "extends_entity_column_value")
+]
+
 # This is a payment processor we can assign contribution pages to in order for them to work.
 # FIXME this seems to produce a non-working setup.
 STANDIN_PAYMENT_PROCESSOR_ID = "7"
@@ -109,6 +114,9 @@ def object_to_table(instr: str) -> str:
 
 
 def array_to_weird_array(val: List) -> str:
+    if (val is None):
+        return "NULL"
+
     return '"\x01' + ('\x01'.join([str(x) for x in val])) + '\x01"'
 
 
@@ -139,7 +147,7 @@ def dict_to_insert(table: str, objdict: Dict) -> str:
     values = list()
     for col in columns:
         # any weird array we have to process here if there are others
-        if table == "civicrm_contact" and col == "contact_sub_type":
+        if (table, col) in WEIRD_LIST:
             values.append(array_to_weird_array(objdict[col]))
         else:
             values.append(python_value_to_sql(objdict[col]))