function ImageItem::schema

Overrides FileItem::schema

File

core/modules/image/src/Plugin/Field/FieldType/ImageItem.php, line 106

Class

ImageItem

Plugin implementation of the 'image' field type.

Namespace

Code

public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
        'columns' => [
            'target_id' => [
                'description' => 'The ID of the file entity.',
                'type' => 'int',
                'unsigned' => TRUE,
            ],
            'alt' => [
                'description' => "Alternative image text, for the image's 'alt' attribute.",
                'type' => 'varchar',
                'length' => 512,
            ],
            'title' => [
                'description' => "Image title text, for the image's 'title' attribute.",
                'type' => 'varchar',
                'length' => 1024,
            ],
            'width' => [
                'description' => 'The width of the image in pixels.',
                'type' => 'int',
                'unsigned' => TRUE,
            ],
            'height' => [
                'description' => 'The height of the image in pixels.',
                'type' => 'int',
                'unsigned' => TRUE,
            ],
        ],
        'indexes' => [
            'target_id' => [
                'target_id',
            ],
        ],
        'foreign keys' => [
            'target_id' => [
                'table' => 'file_managed',
                'columns' => [
                    'target_id' => 'fid',
                ],
            ],
        ],
    ];
}