cqlsh> CREATE TABLE mykeyspace.counts ( company text, day bigint, type text, host inet, eventcount counter, PRIMARY KEY ((company, day), type, host) ) WITH CLUSTERING ORDER BY (company ASC, day ASC, ftype ASC, host ASC);
InvalidRequest: code=2200 [Invalid query] message="Only clustering key columns can be defined in CLUSTERING ORDER directive"
为什么呢?怎么解决?
由于
答案 0 :(得分:0)
您不能排序location ~ \.php$ {
try_files $uri =404;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass unix:/run/php/php7.0-fpm.sock;
fastcgi_index index.php;
include fastcgi.conf;
add_header Cache-Control "public";
access_log off;
}
location [IF PHP FILE IN wp-admin FOLDER] {
add_header Cache-Control "no-store";
}
location ~* \.(js|css|svg|png|jpg|jpeg|gif|ico|eot|otf|ttf|woff)$ {
add_header Access-Control-Allow-Origin *;
add_header Cache-Control "public";
access_log off;
log_not_found off;
expires 1y;
}
,因为这些密钥声明数据如何在群集中传播,不能用于范围查询。在将数据放在节点上之前对分区键进行哈希处理,因此除非您使用ByteOrderedPartitioner(不使用此),否则排序几乎无关紧要,因为您需要对所有节点进行全面扫描实际上对这些列进行范围查询。
我建议查看一些基本的数据建模会谈,以获得更多相关信息: