src/RocknRoot/StrayFw/Database/Postgres/Model.php
public function delete() : bool
    {
        $status = false;
        if ($this->new === false) {
            $deleteQuery = new Delete($this->getDatabaseName());
            $deleteQuery->from($this->getTableName());
            $where = array();
            foreach ($this->getPrimary() as $primary) {
                $field = $this->{'field' . ucfirst($primary)};
                $realName = constant(get_called_class() . '::FIELD_' . strtoupper(Helper::codifyName($primary)));
                $where[$realName] = ':primary' . ucfirst($primary);
                $deleteQuery->bind('primary' . ucfirst($primary), $field['value']);
            }
            $deleteQuery->where($where);

            $status = $deleteQuery->execute();
        }

        return $status;
    }
public function delete() : bool
    {
        $status = false;
        if ($this->new === false) {
            $deleteQuery = new Delete($this->getDatabaseName());
            $deleteQuery->from($this->getTableName());
            $where = array();
            foreach ($this->getPrimary() as $primary) {
                $field = $this->{'field' . ucfirst($primary)};
                $realName = constant(get_called_class() . '::FIELD_' . strtoupper(Helper::codifyName($primary)));
                $where[$realName] = ':primary' . ucfirst($primary);
                $deleteQuery->bind('primary' . ucfirst($primary), $field['value']);
            }
            $deleteQuery->where($where);

            $status = $deleteQuery->execute();
        }

        return $status;
    }
If not new, delete the model.

@return bool true if successfully deleted