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Fixed #595 -- Fixed error when sorting API results descending with custom 'select' parameters. Thanks for the patch, Robert Wittams

git-svn-id: http://code.djangoproject.com/svn/django/trunk@792 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-10-06 15:52:30 +00:00
parent 9fe02e6b65
commit 485042b74d

View File

@ -1332,16 +1332,19 @@ def function_get_sql_clause(opts, **kwargs):
if f == '?': # Special case. if f == '?': # Special case.
order_by.append(db.get_random_function_sql()) order_by.append(db.get_random_function_sql())
else: else:
if f.startswith('-'):
col_name = f[1:]
order = "DESC"
else:
col_name = f
order = "ASC"
# Use the database table as a column prefix if it wasn't given, # Use the database table as a column prefix if it wasn't given,
# and if the requested column isn't a custom SELECT. # and if the requested column isn't a custom SELECT.
if "." not in f and f not in [k[0] for k in kwargs.get('select', [])]: if "." not in col_name and col_name not in [k[0] for k in kwargs.get('select', [])]:
table_prefix = opts.db_table + '.' table_prefix = opts.db_table + '.'
else: else:
table_prefix = '' table_prefix = ''
if f.startswith('-'): order_by.append('%s%s %s' % (table_prefix, orderfield2column(col_name, opts), order))
order_by.append('%s%s DESC' % (table_prefix, orderfield2column(f[1:], opts)))
else:
order_by.append('%s%s ASC' % (table_prefix, orderfield2column(f, opts)))
order_by = ", ".join(order_by) order_by = ", ".join(order_by)
# LIMIT and OFFSET clauses # LIMIT and OFFSET clauses