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Try to make mysql migration saner

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This commit is contained in:
Griatch 2017-09-30 16:33:57 +02:00
parent 9f6f16fb7d
commit 1e16fda569
1 changed files with 7 additions and 9 deletions
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16
evennia/typeclasses/migrations/0010_delete_old_player_tables.py
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@ -22,17 +22,15 @@ def _drop_table(db_cursor, table_name):
if _table_exists(db_cursor, table_name):
if _ENGINE == "django.db.backends.mysql":
sql_drop = "SET FOREIGN_KEY_CHECKS=0;"\
"DROP TABLE {table};"\
"SET FOREIGN_KEY_CHECKS=1;".format(table=table_name)
db_cursor.execute("SET FOREIGN_KEY_CHECKS=0;")
db_cursor.execute("DROP TABLE {table};".format(table=table_name))
db_cursor.execute("SET FOREIGN_KEY_CHECKS=1;")
elif _ENGINE == "postgresql_psycopg2":
sql_drop = "ALTER TABLE {table} DISABLE TRIGGER ALL;"\
"DROP TABLE {table};"\
"ALTER TABLE {table} ENABLE TRIGGER ALL;".format(table=table_name)
db_cursor.execute("ALTER TABLE {table} DISABLE TRIGGER ALL;".format(table=table_name))
db_cursor.execute("DROP TABLE {table};".format(table=table_name))
db_cursor.execute("ALTER TABLE {table} ENABLE TRIGGER ALL;".format(table=table_name))
else: # sqlite3, other databases
sql_drop = "DROP TABLE {table};".format(table=table_name)
db_cursor.execute(sql_drop)
db_cursor.execute("DROP TABLE {table};".format(table=table_name))
def drop_tables(apps, schema_migrator):