src/Query.php
protected function _render_set()
    {
        // will be joined for output
        $ret = [];

        if (isset($this->args['set']) && $this->args['set']) {
            foreach ($this->args['set'] as list($field, $value)) {
                $field = $this->_consume($field, 'escape');
                $value = $this->_consume($value, 'param');

                $ret[] = $field.'='.$value;
            }
        }

        return implode(', ', $ret);
    }
protected function _render_set()
    {
        // will be joined for output
        $ret = [];

        if (isset($this->args['set']) && $this->args['set']) {
            foreach ($this->args['set'] as list($field, $value)) {
                $field = $this->_consume($field, 'escape');
                $value = $this->_consume($value, 'param');

                $ret[] = $field.'='.$value;
            }
        }

        return implode(', ', $ret);
    }
Renders [set] for UPDATE query.

@return string rendered SQL chunk