#26819: Using a ArrayField on Meta.unique_together throws "unhashable type:
'list'"
on validate_unique method
----------------------------------+------------------------------------
Reporter: gleber-diniz | Owner: PREM1980
Type: Bug | Status: assigned
Component: contrib.postgres | Version: 1.9
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by PREM1980):
This issue occurs as the array item is stored in the lists and there is a
mis-match while comparison.
The arrayitem is stored in row_data as list and list are not hashable as
the error says.
if row_data in seen_data:
This issue can be fixed by changing this line ie; return a tuple instead
of list.
https://github.com/PREM1980/django/blob/master/django/contrib/postgres/forms/array.py#L56
Please review and provide your comments.
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Ticket URL: <https://code.djangoproject.com/ticket/26819#comment:9>
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