SHOW IMPORT
SHOW IMPORT 语句用于显示在 TiDB 中创建的导入任务。该语句只能显示由当前用户创建的任务。
所需权限
SHOW IMPORT JOBS：如果用户具有SUPER权限，则此语句显示 TiDB 中所有的导入任务。否则，只显示由当前用户创建的任务。SHOW IMPORT JOB <job-id>：只有导入任务的创建者或具有SUPER权限的用户才能使用此语句查看特定任务。
语法
- ShowImportJobsStmt
- ShowImportJobStmt
ShowImportJobsStmt ::=
'SHOW' 'IMPORT' 'JOBS'
ShowImportJobStmt ::=
'SHOW' 'IMPORT' 'JOB' JobID
SHOW IMPORT 语句的输出字段说明如下：
| 列名 | 描述 |
|---|---|
| Job_ID | 任务的ID |
| Data_Source | 数据源信息 |
| Target_Table | 目标表的名称 |
| Phase | 任务当前阶段，包括 importing、validating 和 add-index |
| Status | 任务当前状态，包括 pending（表示已创建但未开始）、running、canceled、failed 和 finished |
| Source_File_Size | 源文件的大小 |
| Imported_Rows | 已读取并写入目标表的数据行数 |
| Result_Message | 如果导入失败，此字段返回错误信息，否则为空 |
| Create_Time | 任务创建时间 |
| Start_Time | 任务开始时间 |
| End_Time | 任务结束时间 |
| Created_By | 创建该任务的数据库用户名称 |
示例
SHOW IMPORT JOBS;
+--------+-------------------+--------------+----------+-------+----------+------------------+---------------+----------------+----------------------------+----------------------------+----------------------------+------------+
| Job_ID | Data_Source | Target_Table | Table_ID | Phase | Status | Source_File_Size | Imported_Rows | Result_Message | Create_Time | Start_Time | End_Time | Created_By |
+--------+-------------------+--------------+----------+-------+----------+------------------+---------------+----------------+----------------------------+----------------------------+----------------------------+------------+
| 1 | /path/to/file.csv | `test`.`foo` | 116 | | finished | 11GB | 950000 | | 2023-06-26 11:23:59.281257 | 2023-06-26 11:23:59.484932 | 2023-06-26 13:04:30.622952 | root@% |
| 2 | /path/to/file.csv | `test`.`bar` | 130 | | finished | 1.194TB | 49995000 | | 2023-06-26 15:42:45.079237 | 2023-06-26 15:42:45.388108 | 2023-06-26 17:29:43.023568 | root@% |
+--------+-------------------+--------------+----------+-------+----------+------------------+---------------+----------------+----------------------------+----------------------------+----------------------------+------------+
1 row in set (0.01 sec)
SHOW IMPORT JOB 60001;
+--------+--------------------+--------------+----------+-------+---------+------------------+---------------+----------------+----------------------------+------------+----------+------------+
| Job_ID | Data_Source | Target_Table | Table_ID | Phase | Status | Source_File_Size | Imported_Rows | Result_Message | Create_Time | Start_Time | End_Time | Created_By |
+--------+--------------------+--------------+----------+-------+---------+------------------+---------------+----------------+----------------------------+------------+----------+------------+
| 60001 | /path/to/small.csv | `test`.`t` | 361 | | pending | 16B | NULL | | 2023-06-08 15:59:37.047703 | NULL | NULL | root@% |
+--------+--------------------+--------------+----------+-------+---------+------------------+---------------+----------------+----------------------------+------------+----------+------------+
1 row in set (0.01 sec)
MySQL 兼容性
此语句为 TiDB 对 MySQL 语法的扩展。