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Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained();
});
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update your `integer('user_id')` to `bigInteger('user_id')`
public function up() {
Schema::create('evaluation', function (Blueprint $table) {
$table->increments('id');
$table->bigInteger('user_id')->unsigned()->index();
$table->timestamps();
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
});
}
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// one_line code for foreign in laravel
$table->foreignId('user_id')->constrained()->onDelete('cascade');
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Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
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$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
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public function up()
{
Schema::create('replies', function (Blueprint $table) {
$table->bigIncrements('id');
$table->text('body');
$table->unsignedBigInteger('question_id');
$table->integer('user_id')->unsigned();
$table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
$table->timestamps();
});
}
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//Note : Before Renaming Foreign, You Must Need To Delete Old Foreign And Assign New One
class RenameColumn extends Migration
{
public function up()
{
Schema::table('holidays', function(Blueprint $table) {
$table->dropForeign('holidays_account_id_foreign');
$table->renameColumn('account_id ', 'engagement_id');
$table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
});
}
public function down()
{
Schema::table('holidays', function(Blueprint $table) {
$table->dropForeign('holidays_engagement_id_foreign');
$table->renameColumn('account_id ', 'engagement_id');
$table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
});
}
}
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$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');
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$table->foreignId('user_id')
->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
->onUpdate('cascade')
->onDelete('cascade');
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$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade')