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How to define two fields “unique” as couple
...ber', max_length=100)
comments = models.TextField('Comments', max_length=4000, blank=True)
class Meta:
unique_together = ('journal_id', 'volume_number',)
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answered Nov 22 '10 at 22:09
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4 Answers
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edited Oct 4 '13 at 19:15
shreyas
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How to find a table having a specific column in postgresql
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you can query system catalogs:
select c.relname
from pg_class as c
inner join pg_attribute ...
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answered Oct 31 '13 at 0:40
Stephen ClearyStephen Cleary
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