当前路径:vendor/topthink/think-orm/src/db/builder/Pgsql.php <?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK ] // +---------------------------------------------------------------------- // | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: liu21st <liu21st@gmail.com> // +---------------------------------------------------------------------- declare (strict_types = 1); namespace think\db\builder; use think\db\Builder; use think\db\Query; use think\db\Raw; /** * Pgsql数据库驱动 */ class Pgsql extends Builder { /** * INSERT SQL表达式 * @var string */ protected $insertSql = 'INSERT INTO %TABLE% (%FIELD%) VALUES (%DATA%) %COMMENT%'; /** * INSERT ALL SQL表达式 * @var string */ protected $insertAllSql = 'INSERT INTO %TABLE% (%FIELD%) %DATA% %COMMENT%'; /** * limit分析 * @access protected * @param Query $query 查询对象 * @param mixed $limit * @return string */ public function parseLimit(Query $query, string $limit): string { $limitStr = ''; if (!empty($limit)) { $limit = explode(',', $limit); if (count($limit) > 1) { $limitStr .= ' LIMIT ' . $limit[1] . ' OFFSET ' . $limit[0] . ' '; } else { $limitStr .= ' LIMIT ' . $limit[0] . ' '; } } return $limitStr; } /** * 字段和表名处理 * @access public * @param Query $query 查询对象 * @param mixed $key 字段名 * @param bool $strict 严格检测 * @return string */ public function parseKey(Query $query, $key, bool $strict = false): string { if (is_int($key)) { return (string) $key; } elseif ($key instanceof Raw) { return $this->parseRaw($query, $key); } $key = trim($key); if (strpos($key, '->') && false === strpos($key, '(')) { // JSON字段支持 [$field, $name] = explode('->', $key); $key = '"' . $field . '"' . '->>\'' . $name . '\''; } elseif (strpos($key, '.')) { [$table, $key] = explode('.', $key, 2); $alias = $query->getOptions('alias'); if ('__TABLE__' == $table) { $table = $query->getOptions('table'); $table = is_array($table) ? array_shift($table) : $table; } if (isset($alias[$table])) { $table = $alias[$table]; } if ('*' != $key && !preg_match('/[,\"\*\(\).\s]/', $key)) { $key = '"' . $key . '"'; } } if (isset($table)) { $key = $table . '.' . $key; } return $key; } /** * 随机排序 * @access protected * @param Query $query 查询对象 * @return string */ protected function parseRand(Query $query): string { return 'RANDOM()'; } }
相关源码
- 可旋转的彩色立方体C#源代码2021-10-29
- 在线考试系统2021-10-15
- EduSoho开源网校系统源码2019-06-27
- 仿拼多多小程序商城源码2019-06-06
- PHP5网站运行监测系统源码2017-04-14
关于我们 | 顾问团队 | 发展历程 | 联系我们 | 源码上传
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2023. 京ICP备09089570号 | 京公网安备11010702000869号
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2023. 京ICP备09089570号 | 京公网安备11010702000869号