Opened 4 years ago

Closed 4 years ago

Last modified 4 years ago

#33602 closed Bug (invalid)

when use date_hierarchy in admin, it report a error. django 3.2.12, mysql-connector-python8.0.28, mysql server 8.0.28 — at Version 1

Reported by: Eric Pan Owned by: nobody
Component: Database layer (models, ORM) Version: 3.2
Severity: Normal Keywords:
Cc: Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Tim Graham)

\site-packages\django\db\backends\mysql\operations.py line 58

def date_trunc_sql(self, lookup_type, field_name, tzname=None):
        field_name = self._convert_field_to_tz(field_name, tzname)
        fields = {
            'year': '%%Y-01-01',
            'month': '%%Y-%%m-01',
        }  # Use double percents to escape.

the problem is here.

   'year': '%%Y-01-01',
            'month': '%%Y-%%m-01',

this will generate the SQL. 

SELECT DISTINCT CAST(DATE_FORMAT([table name], '%%Y-01-01') AS DATE) AS `datefield

the format ''%%Y-01-01'' is not right for mysql.

Change History (1)

comment:1 by Tim Graham, 4 years ago

Component: contrib.admin → Database layer (models, ORM)
Description: modified (diff)
Resolution: → needsinfo
Status: new → closed
Type: Uncategorized → Bug

This might be a bug in mysql-connector-python and/or mysql.connector.django which aren't part of Django itself.

What does "the format ... is not right" mean? What's the error?

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