diff options
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/mapping/mapper.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sqlalchemy/mapping/mapper.py b/lib/sqlalchemy/mapping/mapper.py index ff0f1fc87..d33409454 100644 --- a/lib/sqlalchemy/mapping/mapper.py +++ b/lib/sqlalchemy/mapping/mapper.py @@ -30,6 +30,7 @@ class Mapper(object): inherit_condition = None, extension = None, order_by = False, + allow_column_override = False, **kwargs): self.copyargs = { @@ -153,8 +154,10 @@ class Mapper(object): elif isinstance(prop, ColumnProperty): prop.columns.append(column) else: - #print "WARNING: column %s not being added due to property %s" % (column.key, repr(prop)) - continue + if not allow_column_override: + raise ValueError("WARNING: column '%s' not being added due to property '%s'. Specify 'allow_column_override=True' to mapper() to ignore this condition." % (column.key, repr(prop))) + else: + continue # its a ColumnProperty - match the ultimate table columns # back to the property |