对有相同表结构的数据库合并，为了保持主外键关系，比较省事的做法是对各个数据库主外键都加上1000000，这样就能保证新导入数据不会冲突
sql生成
| from prudential.cms.models import * from django.db.models import get_app, get_models APP = get_app("cms") IGNORE_MODELS = [GlobalSettings, Carrier] def get_model_fields(model): return model._meta.fields def main(): PREFIX_NUM = 1000000 company_list = cmsCompany.objects.all() user_list = cmsUser.objects.all() estate_list = estate.objects.all() cms_list = get_models(APP) for table in cms_list: print "update `%s` set `id` = id + 1000000;" % table._meta.db_table field_list = get_model_fields(table) for field in field_list: if type(field) is models.ForeignKey: print "update `%s` set `%s_id` = %s_id + 1000000; " % (table._meta.db_table,field.name,field.name) main() |
导出ID加好后的数据
mysqldump -u root -p temp_server5_db --no-create-info --complete-insert table_name table_name2 >change_id_db.sql |
合并到相应数据库
mysql -u root -p temp_db < change_id_db.sql |
