# dengji/migrations/0004_dingdanbiaoqian.py
from django.db import migrations

class Migration(migrations.Migration):

    dependencies = [
        ('orders', '0026_fadanfenhonglilv_alter_fadan_shenqingren_shenfen_and_more'),  # 保持你之前的依赖
        ('rank', '0003_alter_dashoubiaoxian_bankuai'),
    ]

    operations = [
        migrations.RunSQL(
            sql="""
                CREATE TABLE IF NOT EXISTS dingdan_biaoqian (
                    id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
                    create_time DATETIME(6) NOT NULL,
                    chenghao_id BIGINT NOT NULL,
                    dingdan_id VARCHAR(32) NOT NULL,
                    CONSTRAINT fk_dingdanbiaoqian_chenghao FOREIGN KEY (chenghao_id) REFERENCES chenghao (id),
                    CONSTRAINT fk_dingdanbiaoqian_dingdan FOREIGN KEY (dingdan_id) REFERENCES dingdan (dingdan_id),
                    UNIQUE KEY uniq_dingdan_chenghao (dingdan_id, chenghao_id)
                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
            """,
            reverse_sql="DROP TABLE IF EXISTS dingdan_biaoqian;"
        ),
    ]