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Code Issues 32 Releases Wiki Activity

Fixed #29641 -- Added support for unique constraints in Meta.constraints.

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This constraint is similar to Meta.unique_together but also allows
specifying a name.

Co-authored-by: Ian Foote <python@ian.feete.org>
This commit is contained in:
Simon Charette
2018-08-05 22:30:44 -04:00
committed by Tim Graham
parent 8eae094638
commit db13bca60a
7 changed files with 126 additions and 5 deletions
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9
django/db/backends/sqlite3/introspection.py
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@@ -260,6 +260,15 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
name_token = next_ttype(sqlparse.tokens.Literal.String.Symbol)
name = name_token.value[1:-1]
token = next_ttype(sqlparse.tokens.Keyword)
if token.match(sqlparse.tokens.Keyword, 'UNIQUE'):
constraints[name] = {
'unique': True,
'columns': [],
'primary_key': False,
'foreign_key': False,
'check': False,
'index': False,
}
if token.match(sqlparse.tokens.Keyword, 'CHECK'):
# Column check constraint
if name is None: