Phalcon createTable

install.php

<?php
		foreach ($this->_getModels() as $model) {
                    $columns = array();
                    $primaries = array();

                    foreach ($model['columns'] as $columnName => $column) {
                        if (isset($column['is_primary']) && $column['is_primary']) {
                            $primaries = $columnName;
                        }

                        $columns[] = new Column(
                            $columnName,
                            array(
                                "type" => $column['type'],
                                "size" => (isset($column['size']) ? $column['size'] : false),
                                "notNull" => (isset($column['nullable']) ? $column['nullable'] : false),
                                (isset($column['identity']) && (isset($column['is_numeric']) && $column['is_numeric']) ? "autoIncrement" : null) => true, // error in Phalcon, when autoIncrement is false for 'string' type
                                "primary" => (isset($column['is_primary']) ? $column['is_primary'] : false),
                                "isNumeric" => (isset($column['is_numeric']) ? $column['is_numeric'] : false),
                            )
                        );
                    }
                   

                    $connection->createTable($model['name'], null, array(
                        "columns" => $columns,
                        "indexes" => array(new Index("PRIMARY", array($primaries)))
                    ));
                }