简体   繁体   English

如何将 HugSQL 参数扩展为多个类似语句

[英]How to expand HugSQL parameter into multiple like statements

Does anyone know how this can be accomplished?有谁知道如何做到这一点?

(get-lists ["free" "food"]) -> (get-lists ["free" "food"]) ->

Select name 
From Lists
Where name like '%free%' and name like '%food%'

I have tried:我努力了:

-- :name get-lists :? :*
Select id, name
from Lists
where
--~ (clojure.string/join "" (interpose " AND " (map #(str "name LIKE '%" % "%'") :sKeyWords)))

But of course that does not work.但这当然行不通。 Can someone point me in the right direction please?有人可以指出我正确的方向吗?

Figured out answer.想出了答案。 Putting here for anyone else who might need it.放在这里给任何可能需要它的人。

-- :name get-lists :? :*
Select id, name
from Lists
--~ (str "WHERE " 
        (clojure.string/join " AND " (map #(str "name LIKE '%" % "%'") 
          (:key-words params))))

To form a query you can also use clojure.pprint/cl-format from clojure's standard lib, which is quite powerful and concise:要形成查询,您还可以使用 clojure 标准库中的clojure.pprint/cl-format ,它非常强大且简洁:

user> (require '[clojure.pprint :refer [cl-format]])

user> (cl-format nil "WHERE~{ name LIKE '%~a%' ~^AND~}" 
                 ["me" "you" "somebody"])
;;=> "WHERE name LIKE '%me%' AND name LIKE '%you%' AND name LIKE '%somebody%' "

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM