mysql slow log：administrator命令：Init DB

Question

今天，我发现慢速日志记录了一些慢查询。

但我不知道日志中的某些记录意思：“＃administrator命令：Init DB;”

我使用的是mysql-5.6和php mysqli Extension。

我在Google上搜索过“init db”，但没有明确的答案;

# Query_time: 0.780922  Lock_time: 0.000000 Rows_sent: 0  Rows_examined: 0
SET timestamp=1475161137;
# administrator command: Init DB;
# User@Host: wpt[wpt] @  [10.237.220.226]  Id: 4099347882
# Query_time: 0.782442  Lock_time: 0.000000 Rows_sent: 0  Rows_examined: 0
SET timestamp=1475161137;
# administrator command: Init DB;
# User@Host: wpt[wpt] @  [10.143.43.138]  Id: 4099347906
# Query_time: 0.781526  Lock_time: 0.000000 Rows_sent: 0  Rows_examined: 0
SET timestamp=1475161137;
# administrator command: Init DB;
# User@Host: wpt[wpt] @  [10.143.43.138]  Id: 4099347908
# Query_time: 0.781560  Lock_time: 0.000000 Rows_sent: 0  Rows_examined: 0
SET timestamp=1475161137;
# administrator command: Init DB;
# User@Host: wpt[wpt] @  [10.237.220.226]  Id: 4099132169
# Query_time: 0.785297  Lock_time: 0.000296 Rows_sent: 1  Rows_examined: 1
SET timestamp=1475161137;