src/mako/database/query/Query.php
public function decrement($column, int $decrement = 1): int
	{
		return $this->update([$column => new Raw($this->compiler->escapeIdentifier($column) . ' - ' . (int) $decrement)]);
	}
public function decrement($column, int $decrement = 1): int
	{
		return $this->update([$column => new Raw($this->compiler->escapeIdentifier($column) . ' - ' . (int) $decrement)]);
	}
public function decrement ( $ column , int $ decrement = 1 ) : int { return $ this -> update ( [ $ column => new Raw ( $ this -> compiler -> escapeIdentifier ( $ column ) . ' - ' . ( int ) $ decrement ) ] ) ; }
Decrements column value.

@param  string $column    Column name
@param  int    $decrement Decrement value
@return int
Decrements column value .