src/Schema/State.php
public function forgetIndex(AbstractIndex $index)
    {
        foreach ($this->indexes as $name => $indexSchema) {
            if ($indexSchema == $index) {
                unset($this->indexes[$name]);
                break;
            }
        }
    }
public function forgetIndex(AbstractIndex $index)
    {
        foreach ($this->indexes as $name => $indexSchema) {
            if ($indexSchema == $index) {
                unset($this->indexes[$name]);
                break;
            }
        }
    }
public function forgetIndex ( AbstractIndex $ index ) { foreach ( $ this -> indexes as $ name => $ indexSchema ) { if ( $ indexSchema == $ index ) { unset ( $ this -> indexes [ $ name ] ) ; break ; } } }
Drop index from table schema using it's name or forming columns.

@param AbstractIndex $index
Drop index from table schema using it s name or forming columns .