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Fixed #5055 -- Changed Postgres DatabaseOperations.sql_flush() to use 'SELECT setval()' instead of 'ALTER SEQUENCE', because the latter only works with Postgres 7.3+. Thanks, Don Arbow

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@6009 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2007-08-25 18:56:43 +00:00
parent f8e26f5c2c
commit 861b28f37e
1 changed files with 7 additions and 21 deletions
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28
django/db/backends/postgresql/operations.py
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@ -52,28 +52,14 @@ class DatabaseOperations(BaseDatabaseOperations):
for sequence_info in sequences: for sequence_info in sequences:
table_name = sequence_info['table'] table_name = sequence_info['table']
column_name = sequence_info['column'] column_name = sequence_info['column']
if column_name and len(column_name)>0: if column_name and len(column_name) > 0:
# sequence name in this case will be <table>_<column>_seq sequence_name = '%s_%s_seq' % (table_name, column_name)
sql.append("%s %s %s %s %s %s;" % \
(style.SQL_KEYWORD('ALTER'),
style.SQL_KEYWORD('SEQUENCE'),
style.SQL_FIELD(self.quote_name('%s_%s_seq' % (table_name, column_name))),
style.SQL_KEYWORD('RESTART'),
style.SQL_KEYWORD('WITH'),
style.SQL_FIELD('1')
)
)
else: else:
# sequence name in this case will be <table>_id_seq sequence_name = '%s_id_seq' % table_name
sql.append("%s %s %s %s %s %s;" % \ sql.append("%s setval('%s', 1, false);" % \
(style.SQL_KEYWORD('ALTER'), (style.SQL_KEYWORD('SELECT'),
style.SQL_KEYWORD('SEQUENCE'), style.SQL_FIELD(self.quote_name(sequence_name)))
style.SQL_FIELD(self.quote_name('%s_id_seq' % table_name)), )
style.SQL_KEYWORD('RESTART'),
style.SQL_KEYWORD('WITH'),
style.SQL_FIELD('1')
)
)
return sql return sql
else: else:
return [] return []