Here is my SQL query; I want to convert it to Laravel query builder:
SELECT * FROM (
SELECT DISTINCT ON (c.conversation_meta_id) c.conversation_meta_id cmid,c.id,
c.created_date,c.message,u.first_name,u.last_name,pr.name AS practice_role
FROM dr_iq.oc_conversation_histories ch
LEFT JOIN dr_iq.conversation c ON ch.conversation_meta_id = c.conversation_meta_id
LEFT JOIN dr_iq.users u on u.id = c.user_id
LEFT JOIN dr_iq.user_group ug on ug.user_id = u.id
LEFT JOIN dr_iq.practice_roles pr on ug.practice_role_id = pr.id
WHERE ch.ref_id = $ref_id
GROUP BY c.created_date, c.conversation_meta_id, c.message, u.first_name,u.last_name,pr.name,c.id,ug.group_id
ORDER BY c.conversation_meta_id desc, c.id DESC,c.created_date DESC ) converstaionList order by converstaionList.created_date desc limit 50;
This is the code I have tried so far, but I am facing an issue how to use the select inside select:
DB::table('dr_iq.oc_conversation_histories ch')
->SELECT('c.conversation_meta_id')->distinct()
->SELECT('c.conversation_meta_id AS cmid','c.id','c.created_date','c.message','u.first_name','u.last_name','pr.name AS practice_role')
->LEFTJOIN ('dr_iq.conversation c', 'ch.conversation_meta_id', '=', 'c.conversation_meta_id')
->LEFTJOIN ('dr_iq.users u', 'u.id', '=', 'c.user_id')
->LEFTJOIN ('dr_iq.user_group ug', 'ug.user_id', '=', 'u.id')
->LEFTJOIN ('dr_iq.practice_roles pr', 'ug.practice_role_id', '=', 'pr.id')
->WHERE('ch.ref_id', 15218)
->GROUP BY('c.created_date', 'c.conversation_meta_id', 'c.message', 'u.first_name', 'u.last_name', 'pr.name', 'c.id', 'ug.group_id')
->ORDER BY('c.conversation_meta_id DESC, c.id DESC, c.created_date DESC') LIMIT (50);
Our community is visited by hundreds of web development professionals every day. Ask your question and get a quick answer for free.
Find the answer in similar questions on our website.
Do you know the answer to this question? Write a quick response to it. With your help, we will make our community stronger.
PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
https://www.php.net/
Laravel is a free open source PHP framework that came out in 2011. Since then, it has been able to become the framework of choice for web developers. One of the main reasons for this is that Laravel makes it easier, faster, and safer to develop complex web applications than any other framework.
https://laravel.com/
Welcome to the Q&A site for web developers. Here you can ask a question about the problem you are facing and get answers from other experts. We have created a user-friendly interface so that you can quickly and free of charge ask a question about a web programming problem. We also invite other experts to join our community and help other members who ask questions. In addition, you can use our search for questions with a solution.
Ask about the real problem you are facing. Describe in detail what you are doing and what you want to achieve.
Our goal is to create a strong community in which everyone will support each other. If you find a question and know the answer to it, help others with your knowledge.