fix: treat nulls as empty arrays for list_of_* comparion

Author: martastain

ayon_server/sqlfilter.py

@@ -232,7 +232,6 @@ def build_condition(c: QueryCondition, **kwargs) -> str:
         else:
             safe_value = json.dumps(value).replace("'", "''")
             safe_value = f"'{safe_value}'::jsonb"
-        logger.trace(f"Safe value of {type(value)} {value}: {safe_value}")
 
     else:
         raise ValueError(f"Invalid path: {path}")
@@ -274,7 +273,8 @@ def build_condition(c: QueryCondition, **kwargs) -> str:
         if len(value) == 0:
             if operator == "eq":
                 if len(path) > 1:
-                    return f"NOT EXISTS (SELECT 1 FROM jsonb_array_elements({column}))"
+                    # Treat nulls in attribues as empty arrays
+                    return f"((NOT EXISTS (SELECT 1 FROM jsonb_array_elements({column}))) OR {column} IS NULL)"  # noqa 501
                 return f"array_length({column}, 1) IS NULL"
 
             if operator == "ne":