#30188: Aggregate annotation, Case() - When(): AssertionError No exception
message
supplied
-------------------------------------+-------------------------------------
Reporter: Lukas Klement | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 2.1
(models, ORM) |
Severity: Normal | Resolution:
Keywords: query, aggregate, | Triage Stage: Accepted
case/when |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Can Sarıgöl):
Can we fix twice annotated problem in here? I thought that we can remove
the expr if it is already in annotations ({{{expr == old_expr}}})
{{{
elif isinstance(expr, (Col, Subquery)) or (expr.contains_aggregate and not
expr.is_summary):
...
new_exprs.append(Ref(col_alias, expr))
if isinstance(expr, Subquery):
keys = {
k for k, old_expr in self.annotations.items()
if k.startswith('__col') is False and expr == old_expr
}
for _k in keys:
del self.annotations[_k]
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/30188#comment:19>
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