检查是否在varchar字段中找到用户ID（mysql）

Question

How to check userid is available in varchar field or not in sql query

My table 'tb_feeds'

I want to set logic as PHP in mysql query like

// Same Logic i want in Mysql
$a = 'How are you?';
if (strpos($a, 'are') !== false) {
    echo 'true';
}

I want

$user_id = '1';

// What i write this query in proper SQL way
SELECT * FROM tb_feeds WHERE feed_display_user_id contains $user_id

Answer 1

I Get This Solution but this is part time solution use another data model for better output.

$user_id = '1';

"SELECT * FROM `tb_feeds` WHERE FIND_IN_SET($user_id, feed_display_user_id)"