Search tables in db for keyField; if found search key constraints
for the table to which it refers.
| public findTableReferencedBy ( Cake\Database\Schema\Table $schema, string $keyField ) : string | null | ||
| $schema | Cake\Database\Schema\Table | The table schema to find a constraint for. |
| $keyField | string | The field to check for a constraint. |
| Результат | string | null | Either the referenced table or null if the field has no constraints. |
/**
* test finding referenced tables using constraints.
*
* @return void
*/
public function testFindTableReferencedBy()
{
$invoices = TableRegistry::get('Invitations');
$schema = $invoices->schema();
$result = $this->Task->findTableReferencedBy($schema, 'not_there');
$this->assertNull($result);
$result = $this->Task->findTableReferencedBy($schema, 'sender_id');
$this->assertEquals('users', $result);
$result = $this->Task->findTableReferencedBy($schema, 'receiver_id');
$this->assertEquals('users', $result);
}
