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-rw-r--r--lib/sqlalchemy/sql/compiler.py26
1 files changed, 19 insertions, 7 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index 598e87932..de18c48f9 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -154,9 +154,10 @@ class _CompileLabel(visitors.Visitable):
__visit_name__ = 'label'
__slots__ = 'element', 'name'
- def __init__(self, col, name):
+ def __init__(self, col, name, alt_names=()):
self.element = col
self.name = name
+ self._alt_names = alt_names
@property
def proxy_set(self):
@@ -360,8 +361,10 @@ class SQLCompiler(engine.Compiled):
labelname = label.name
if result_map is not None:
- result_map[labelname.lower()] = \
- (label.name, (label, label.element, labelname),\
+ result_map[labelname.lower()] = (
+ label.name,
+ (label, label.element, labelname, ) +
+ label._alt_names,
label.type)
return label.element._compiler_dispatch(self,
@@ -386,7 +389,9 @@ class SQLCompiler(engine.Compiled):
name = self._truncated_identifier("colident", name)
if result_map is not None:
- result_map[name.lower()] = (orig_name, (column, name), column.type)
+ result_map[name.lower()] = (orig_name,
+ (column, name, column.key),
+ column.type)
if is_literal:
name = self.escape_literal_column(name)
@@ -775,8 +780,14 @@ class SQLCompiler(engine.Compiled):
if isinstance(column, sql._Label):
return column
- elif select is not None and select.use_labels and column._label:
- return _CompileLabel(column, column._label)
+ elif select is not None and \
+ select.use_labels and \
+ column._label:
+ return _CompileLabel(
+ column,
+ column._label,
+ alt_names=(column._key_label, )
+ )
elif \
asfrom and \
@@ -784,7 +795,8 @@ class SQLCompiler(engine.Compiled):
not column.is_literal and \
column.table is not None and \
not isinstance(column.table, sql.Select):
- return _CompileLabel(column, sql._as_truncated(column.name))
+ return _CompileLabel(column, sql._as_truncated(column.name),
+ alt_names=(column.key,))
elif not isinstance(column,
(sql._UnaryExpression, sql._TextClause)) \
and (not hasattr(column, 'name') or \