36

41 天前

@mingszu

+-----------------------+------------+--------------+--------------+----------------+-----------+-------------+----------+--------+------+------------+---------+---------------+

| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |

+-----------------------+------------+--------------+--------------+----------------+-----------+-------------+----------+--------+------+------------+---------+---------------+

| d_lampblack_real_time | 0 | PRIMARY | 1 | id | A | 0 | NULL | NULL | | BTREE | | |

| d_lampblack_real_time | 0 | lampblack_01 | 1 | equipment_code | A | 0 | NULL | NULL | | BTREE | | |

| d_lampblack_real_time | 0 | lampblack_01 | 2 | monitor_time | A | 0 | NULL | NULL | | BTREE | | |

| d_lampblack_real_time | 1 | lampblack_02 | 1 | fs | A | 0 | NULL | NULL | YES | BTREE | | |

| d_lampblack_real_time | 1 | lampblack_02 | 2 | ps | A | 0 | NULL | NULL | YES | BTREE | | |

+-----------------------+------------+--------------+--------------+----------------+-----------+-------------+----------+--------+------+------------+---------+---------------+

5 rows in set (0.00 sec)

現在已經把這個業務停了，應該看不出來原因了。回頭再用了，這邊再看下吧

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