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Fixed #29727 -- Made nonexistent joins in F() raise FieldError.

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Regression in 2162f0983d.
This commit is contained in:
Alexander Holmbäck 2018-09-06 20:10:20 +00:00 • committed by Tim Graham
parent aa16ec5474
commit f315d0423a
3 changed files with 10 additions and 2 deletions
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5
django/db/models/sql/query.py
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@ -1594,10 +1594,13 @@ class Query:
else:
field_list = name.split(LOOKUP_SEP)
join_info = self.setup_joins(field_list, self.get_meta(), self.get_initial_alias(), can_reuse=reuse)
targets, _, join_list = self.trim_joins(join_info.targets, join_info.joins, join_info.path)
targets, final_alias, join_list = self.trim_joins(join_info.targets, join_info.joins, join_info.path)
if len(targets) > 1:
raise FieldError("Referencing multicolumn fields with F() objects "
"isn't supported")
# Verify that the last lookup in name is a field or a transform:
# transform_function() raises FieldError if not.
join_info.transform_function(targets[0], final_alias)
if reuse is not None:
reuse.update(join_list)
col = _get_col(targets[0], join_info.targets[0], join_list[-1], simple_col)