MySQL 返回的查询结果为空 (即零行)。 (查询花费 0.0114 秒。)
SELECT * FROM `campaigns`
| id | name | date_entered | date_modified | modified_user_id | created_by | deleted | assigned_user_id | tracker_key | tracker_count | refer_url | tracker_text | start_date | end_date | status | impressions | currency_id | budget | expected_cost | actual_cost | expected_revenue | campaign_type | objective | content | frequency | survey_id | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|