ClickHouse奇技淫巧系列之SQL查文件

Yyqingmofeige 2020-05-16

history | awk ‘{print $1"\t"$2}‘ | clickhouse-client --query="SELECT shell, count() AS c FROM history GROUP BY shell ORDER BY c DESC limit 10 " --external --file=- --name=history --structure=‘id UInt16, shell String‘  -h  127.0.0.1  
ls      390
cd      243
clickhouse-client       173
du      67
vim     57
htop    42
cat     28
history 27
tailf   25
mysql   24参考资料https://www.cnblogs.com/zqr99/p/9939418.htmlhttps://www.jianshu.com/p/2e49edbeb1efhttps://www.jianshu.com/p/8875dede8db7?clicktime=1578014751

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