Created
May 21, 2021 10:23
-
-
Save mprokopov/22abef8524f7b0cc19bde4dad1061b96 to your computer and use it in GitHub Desktop.
babashka honeysql with mysql example
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
;; CREATE TABLE `station` ( | |
;; `id` int(11) NOT NULL AUTO_INCREMENT, | |
;; `location` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL, | |
;; PRIMARY KEY (`id`) | |
;; ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci; | |
;; CREATE TABLE `rental_order` ( | |
;; `id` int(11) NOT NULL AUTO_INCREMENT, | |
;; `campervan_id` int(11) NOT NULL, | |
;; `start_station_id` int(11) NOT NULL, | |
;; `end_station_id` int(11) NOT NULL, | |
;; `start_date` date NOT NULL, | |
;; `end_date` date NOT NULL, | |
;; PRIMARY KEY (`id`), | |
;; KEY `IDX_6EC21D77B9D53E94` (`campervan_id`), | |
;; KEY `IDX_6EC21D7753721DCB` (`start_station_id`), | |
;; KEY `IDX_6EC21D772FF5EABB` (`end_station_id`), | |
;; CONSTRAINT `FK_6EC21D772FF5EABB` FOREIGN KEY (`end_station_id`) REFERENCES `station` (`id`), | |
;; CONSTRAINT `FK_6EC21D7753721DCB` FOREIGN KEY (`start_station_id`) REFERENCES `station` (`id`), | |
;; CONSTRAINT `FK_6EC21D77B9D53E94` FOREIGN KEY (`campervan_id`) REFERENCES `campervan` (`id`) | |
;; ) ENGINE=InnoDB AUTO_INCREMENT=39 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci; | |
(require '[babashka.pods :as pods]) | |
(deps/add-deps '{:deps {honeysql/honeysql {:mvn/version "1.0.444"}}}) | |
(require '[honeysql.core :as hsql]) | |
(pods/load-pod 'org.babashka/mysql "0.0.7") | |
(def db {:dbtype "mysql" | |
:host "127.0.0.1" | |
:dbname "campervan" | |
:user "root" | |
:password "" | |
:port 3306}) | |
(->> | |
(hsql/format {:select [:rental_order.id, [:s.location :start], [:e.location :end]] | |
:from [:rental_order] | |
:join [[:station :s] [:= :s.id :rental_order.start_station_id] | |
[:station :e] [:= :e.id :rental_order.end_station_id]] | |
:order-by [[:rental_order.id :asc]]}) | |
(pod.babashka.mysql/execute! db)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment