ThinkPHP/Library/Think/Db/Driver/Pgsql.class.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace Think\Db\Driver;
use Think\Db\Driver;

/**
 * Pgsql数据库驱动
 */
class Pgsql extends Driver{

    /**
     * 解析pdo连接的dsn信息
     * @access public
     * @param array $config 连接信息
     * @return string
     */
    protected function parseDsn($config){
        $dsn  =   'pgsql:dbname='.$config['database'].';host='.$config['hostname'];
        if(!empty($config['hostport'])) {
            $dsn  .= ';port='.$config['hostport'];
        }
        return $dsn;
    }

    /**
     * 取得数据表的字段信息
     * @access public
     * @return array
     */
    public function getFields($tableName) {
        list($tableName) = explode(' ', $tableName);
        $result =   $this->query('select fields_name as "field",fields_type as "type",fields_not_null as "null",fields_key_name as "key",fields_default as "default",fields_default as "extra" from table_msg('.$tableName.');');
        $info   =   array();
        if($result){
            foreach ($result as $key => $val) {
                $info[$val['field']] = array(
                    'name'    => $val['field'],
                    'type'    => $val['type'],
                    'notnull' => (bool) ($val['null'] === ''), // not null is empty, null is yes
                    'default' => $val['default'],
                    'primary' => (strtolower($val['key']) == 'pri'),
                    'autoinc' => (strtolower($val['extra']) == 'auto_increment'),
                );
            }
        }
        return $info;
    }

    /**
     * 取得数据库的表信息
     * @access public