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gh-79009: sqlite3.iterdump now correctly handles tables with autoincrement (#9621)

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Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
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itssme 2022-06-20 00:59:24 +02:00 • committed by GitHub
parent 8e08978141
commit affa9f22cf
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4 changed files with 62 additions and 1 deletions
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14
Lib/sqlite3/dump.py
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@ -28,9 +28,16 @@ def _iterdump(connection):
ORDER BY "name"
"""
schema_res = cu.execute(q)
sqlite_sequence = []
for table_name, type, sql in schema_res.fetchall():
if table_name == 'sqlite_sequence':
yield('DELETE FROM "sqlite_sequence";')
rows = cu.execute('SELECT * FROM "sqlite_sequence";').fetchall()
sqlite_sequence = ['DELETE FROM "sqlite_sequence"']
sqlite_sequence += [
f'INSERT INTO "sqlite_sequence" VALUES(\'{row[0]}\',{row[1]})'
for row in rows
]
continue
elif table_name == 'sqlite_stat1':
yield('ANALYZE "sqlite_master";')
elif table_name.startswith('sqlite_'):
@ -67,4 +74,9 @@ def _iterdump(connection):
for name, type, sql in schema_res.fetchall():
yield('{0};'.format(sql))
# gh-79009: Yield statements concerning the sqlite_sequence table at the
# end of the transaction.
for row in sqlite_sequence:
yield('{0};'.format(row))
yield('COMMIT;')