laravel join
Inner Join : ->join('contacts', 'users.id', '=', 'contacts.user_id')
Left Join : ->leftJoin('posts', 'users.id', '=', 'posts.user_id')
Right Join : ->rightJoin('posts', 'users.id', '=', 'posts.user_id')
Cross Join : ->crossJoin('colors')
Advance Queries :
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->join('contacts', function ($join) {
$join->on('users.id', '=', 'contacts.user_id')
->where('contacts.user_id', '>', 5);
})laravel join
$latestPosts = DB::table('posts')
->select('user_id', DB::raw('MAX(created_at) as last_post_created_at'))
->where('is_published', true)
->groupBy('user_id');
$users = DB::table('users')
->joinSub($latestPosts, 'latest_posts', function ($join) {
$join->on('users.id', '=', 'latest_posts.user_id');
})->get();laravel outer join
->join('answers as answers', 'responses.answer_id', '=', 'answers.id', 'left outer')join in eloquent laravel 5.8
->leftJoin('reg-session as rs', function ($q) use ($es) {
$q->on('rs.regID', '=', 'event-registration.regID')
->on('rs.personID', '=', 'p.personID')
->on('rs.sessionID', '=', 'es.sessionID')
->where('es.sessionID', '=', $es->sessionID);
})
$sub1 = DB::table('membership_years')
->select('member_id', DB::raw('MAX(membership_year) AS max_my'))
->groupBy('member_id');
$sub2 = DB::table('membership_years as my1')
->select('my1.*')
->join(DB::raw('(' . $sub1->toSql() . ') my2'),
function ($join) {
$join
->on('my1.member_id', '=', 'my2.member_id')
->on('my1.membership_year', '=', 'my2.max_my');
});
$query = DB::table('membership as m')
->select('my.membership_year', 'm.*')
->join(DB::raw('(' . $sub2->toSql() . ') my'), 'm.id', '=', 'my.member_id')
->orderBy('m.id');Copyright © 2021 Codeinu
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