mixed sum(string $column) Retrieve the sum of the values of a given column. Parameters string $column Return Value mixed

void __construct(Connection $connection) Create a new database Schema manager. Parameters Connection $connection Return Value void

void error(string $string) Write a string as error output. Parameters string $string Return Value void

void warn(string $string, null|int|string $verbosity = null) Write a string as warning output. Parameters string $string null|int|string $verbosity Return Value void

static void observe(object|string $class, int $priority) Register an observer with the Model. Parameters object|string $class int $priority Return Value void

mixed first(array $columns = array('*')) Execute the query and get the first result. Parameters array $columns Return Value mixed

Builder|Builder whereColumn(string|array $first, string|null $operator = null, string|null $second = null, string|null $boolean = 'and') Add a "where" clause comparing two columns to the query. Parameters string|array $first string|null $operator string|null $second string|null $boolean Return Value Builder|Builder

void rollBack() Rollback the active database transaction. Return Value void

string getRawBody() Get the raw body string for the job. Return Value string

static mixed unguarded(callable $callback) Run the given callable while being unguarded. Parameters callable $callback Return Value mixed