#24102: BaseDatabaseSchemaEditor.create_model: allow unique_together constraint
name
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Reporter: dnozay | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.7
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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In `BaseDatabaseSchemaEditor.create_model` there are currently no names
for `unique_together` constraints.
http://stackoverflow.com/a/27836476/1733117
{{{#!python
class BaseDatabaseSchemaEditor(object):
# Overrideable SQL templates
sql_create_table_unique = "UNIQUE (%(columns)s)"
sql_create_unique = "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s
UNIQUE (%(columns)s)"
sql_delete_unique = "ALTER TABLE %(table)s DROP CONSTRAINT %(name)s"
}}}
`create_model` has this bit:
{{{#!python
# Add any unique_togethers
for fields in model._meta.unique_together:
columns = [model._meta.get_field(field).column for field in
fields]
column_sqls.append(self.sql_create_table_unique % {
"columns": ", ".join(self.quote_name(column) for column in
columns),
})
}}}
whereas adding a new unique_together constraint does this:
{{{#!python
def _create_unique_sql(self, model, columns):
return self.sql_create_unique % {
"table": self.quote_name(model._meta.db_table),
"name": self.quote_name(self._create_index_name(model,
columns, suffix="_uniq")),
"columns": ", ".join(self.quote_name(column) for column in
columns),
}
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/24102>
Django <https://code.djangoproject.com/>
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