Fixes #747: Fixes natural_order_by integer cast error on large numbers

This commit is contained in:
Jeremy Stretch 2016-12-19 11:01:44 -05:00
parent 550efcb640
commit 44d5ff26a4

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@ -21,9 +21,9 @@ class NaturalOrderByManager(Manager):
id3 = '_{}_{}3'.format(db_table, primary_field)
queryset = super(NaturalOrderByManager, self).get_queryset().extra(select={
id1: "CAST(SUBSTRING({}.{} FROM '^(\d+)') AS integer)".format(db_table, primary_field),
id1: "CAST(SUBSTRING({}.{} FROM '^(\d{{1,9}})') AS integer)".format(db_table, primary_field),
id2: "SUBSTRING({}.{} FROM '^\d*(.*?)\d*$')".format(db_table, primary_field),
id3: "CAST(SUBSTRING({}.{} FROM '(\d+)$') AS integer)".format(db_table, primary_field),
id3: "CAST(SUBSTRING({}.{} FROM '(\d{{1,9}})$') AS integer)".format(db_table, primary_field),
})
ordering = fields[0:-1] + (id1, id2, id3)