-- iWork 流程创建日志表（达梦数据库）
CREATE TABLE system_iwork_workflow_log (
    id BIGINT NOT NULL,
    request_id VARCHAR(64) NOT NULL,
    workflow_id BIGINT,
    business_code VARCHAR(128),
    biz_callback_key VARCHAR(255),
    raw_request VARCHAR(2000),
    status VARCHAR(32),
    creator VARCHAR(64) DEFAULT '',
    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updater VARCHAR(64) DEFAULT '',
    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    deleted SMALLINT NOT NULL DEFAULT 0,
    tenant_id BIGINT NOT NULL DEFAULT 0,
    PRIMARY KEY (id)
);

-- 添加注释
COMMENT ON TABLE system_iwork_workflow_log IS 'iWork 流程创建日志';
COMMENT ON COLUMN system_iwork_workflow_log.id IS '主键';
COMMENT ON COLUMN system_iwork_workflow_log.request_id IS 'iWork 返回的请求编号';
COMMENT ON COLUMN system_iwork_workflow_log.workflow_id IS '流程模板 ID';
COMMENT ON COLUMN system_iwork_workflow_log.business_code IS '业务编码';
COMMENT ON COLUMN system_iwork_workflow_log.biz_callback_key IS '业务回调标识';
COMMENT ON COLUMN system_iwork_workflow_log.raw_request IS '创建请求原始参数';
COMMENT ON COLUMN system_iwork_workflow_log.status IS '流程状态';
COMMENT ON COLUMN system_iwork_workflow_log.creator IS '创建者';
COMMENT ON COLUMN system_iwork_workflow_log.create_time IS '创建时间';
COMMENT ON COLUMN system_iwork_workflow_log.updater IS '更新者';
COMMENT ON COLUMN system_iwork_workflow_log.update_time IS '更新时间';
COMMENT ON COLUMN system_iwork_workflow_log.deleted IS '是否删除';
COMMENT ON COLUMN system_iwork_workflow_log.tenant_id IS '租户编号';

-- 创建唯一索引
CREATE UNIQUE INDEX uk_request_id ON system_iwork_workflow_log(request_id);