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laravel Foreign key constraint is incorrectly formed

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Witness answered on April 11, 2021 Popularity 6/10 Helpfulness 3/10

answer laravel Foreign key constraint is incorrectly formed

related foreign key constraint is incorrectly formed laravel

laravel Foreign key constraint is incorrectly formed

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if you added nullOnDelete() then you need to add nullable() also

// Right Way
$table->foreignId('user_id')->nullable()->constrained()->nullOnDelete();

// wrong way
$table->foreignId('user_id')->constrained()->nullOnDelete();

Popularity 6/10 Helpfulness 3/10 Language php

Source: Grepper

Tags: key laravel php

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Contributed on Oct 22 2023

Witness

0 Answers Avg Quality 2/10

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foreign key constraint is incorrectly formed laravel

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public function up()
    {
        Schema::create('meals', function (Blueprint $table) {
            $table->increments('id');
            $table->unsignedBigInteger('user_id'); //changed this line
            $table->unsignedBigInteger('category_id'); //changed this line
            $table->string('title');
            $table->string('body');
            $table->string('meal_av');
            $table->timestamps();

            $table->foreign('user_id')
                ->references('id')
                ->on('users')
                ->onDelete('cascade');

            $table->foreign('category_id')
                ->references('id')
                ->on('categories')
                ->onDelete('cascade');
        });
    }

Popularity 9/10 Helpfulness 6/10 Language php

Source: stackoverflow.com

Tags: key

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Contributed on Jul 26 2022

Adreeeyan F.

0 Answers Avg Quality 2/10

foreign key constraint is incorrectly formed laravel

Comment

When creating a new table in Laravel. A migration will be generated like:
$table->bigIncrements('id');

Instead of (in older Laravel versions:
$table->increments('id');

Popularity 10/10 Helpfulness 5/10 Language php

Source: Grepper

Tags: key

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Contributed on Apr 11 2021

Mohamad

0 Answers Avg Quality 2/10

laravel Foreign key constraint is incorrectly formed

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