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Fixed #31473 -- Made sql_flush() use RESTART IDENTITY to reset sequences on PostgreSQL.

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The sql_flush() positional argument sequences is replaced by the boolean
keyword-only argument reset_sequences. This ensures that the old
function signature can't be used by mistake when upgrading Django. When
the new argument is True, the sequences of the truncated tables will
reset. Using a single boolean value, rather than a list, allows making a
binary yes/no choice as to whether to reset all sequences rather than a
working on a completely different set.
This commit is contained in:
Jon Dufresne
2020-04-15 02:20:46 -07:00
committed by Mariusz Felisiak
parent 8005829bb9
commit 75410228df
13 changed files with 92 additions and 176 deletions
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8
tests/backends/tests.py
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@@ -161,13 +161,7 @@ class LongNameTest(TransactionTestCase):
VLM._meta.db_table,
VLM_m2m._meta.db_table,
]
sequences = [
{
'column': VLM._meta.pk.column,
'table': VLM._meta.db_table
},
]
sql_list = connection.ops.sql_flush(no_style(), tables, sequences)
sql_list = connection.ops.sql_flush(no_style(), tables, reset_sequences=True)
with connection.cursor() as cursor:
for statement in sql_list:
cursor.execute(statement)