ClickHouse奇技淫巧系列之SQL查文件

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.html
https://www.jianshu.com/p/2e49edbeb1ef
https://www.jianshu.com/p/8875dede8db7?clicktime=1578014751