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68
thinkphp/library/think/db/builder/Mysql.php
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68
thinkphp/library/think/db/builder/Mysql.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\db\builder;
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use think\db\Builder;
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/**
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* mysql数据库驱动
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*/
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class Mysql extends Builder
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{
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protected $updateSql = 'UPDATE %TABLE% %JOIN% SET %SET% %WHERE% %ORDER%%LIMIT% %LOCK%%COMMENT%';
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/**
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* 字段和表名处理
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* @access protected
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* @param string $key
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* @param array $options
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* @return string
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*/
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protected function parseKey($key, $options = [])
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{
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$key = trim($key);
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if (strpos($key, '$.') && false === strpos($key, '(')) {
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// JSON字段支持
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list($field, $name) = explode('$.', $key);
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$key = 'json_extract(' . $field . ', \'$.' . $name . '\')';
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} elseif (strpos($key, '.') && !preg_match('/[,\'\"\(\)`\s]/', $key)) {
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list($table, $key) = explode('.', $key, 2);
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if ('__TABLE__' == $table) {
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$table = $this->query->getTable();
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}
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if (isset($options['alias'][$table])) {
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$table = $options['alias'][$table];
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}
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}
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if (!preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
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$key = '`' . $key . '`';
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}
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if (isset($table)) {
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if (strpos($table, '.')) {
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$table = str_replace('.', '`.`', $table);
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}
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$key = '`' . $table . '`.' . $key;
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}
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return $key;
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}
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/**
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* 随机排序
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* @access protected
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* @return string
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*/
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protected function parseRand()
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{
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return 'rand()';
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}
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}
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83
thinkphp/library/think/db/builder/Pgsql.php
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83
thinkphp/library/think/db/builder/Pgsql.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\db\builder;
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use think\db\Builder;
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/**
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* Pgsql数据库驱动
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*/
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class Pgsql extends Builder
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{
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protected $insertSql = 'INSERT INTO %TABLE% (%FIELD%) VALUES (%DATA%) %COMMENT%';
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protected $insertAllSql = 'INSERT INTO %TABLE% (%FIELD%) %DATA% %COMMENT%';
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/**
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* limit分析
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* @access protected
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* @param mixed $limit
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* @return string
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*/
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public function parseLimit($limit)
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{
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$limitStr = '';
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if (!empty($limit)) {
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$limit = explode(',', $limit);
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if (count($limit) > 1) {
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$limitStr .= ' LIMIT ' . $limit[1] . ' OFFSET ' . $limit[0] . ' ';
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} else {
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$limitStr .= ' LIMIT ' . $limit[0] . ' ';
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}
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}
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return $limitStr;
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}
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/**
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* 字段和表名处理
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* @access protected
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* @param string $key
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* @param array $options
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* @return string
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*/
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protected function parseKey($key, $options = [])
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{
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$key = trim($key);
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if (strpos($key, '$.') && false === strpos($key, '(')) {
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// JSON字段支持
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list($field, $name) = explode('$.', $key);
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$key = $field . '->>\'' . $name . '\'';
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} elseif (strpos($key, '.')) {
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list($table, $key) = explode('.', $key, 2);
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if ('__TABLE__' == $table) {
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$table = $this->query->getTable();
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}
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if (isset($options['alias'][$table])) {
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$table = $options['alias'][$table];
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}
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}
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if (isset($table)) {
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$key = $table . '.' . $key;
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}
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return $key;
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}
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/**
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* 随机排序
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* @access protected
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* @return string
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*/
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protected function parseRand()
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{
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return 'RANDOM()';
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}
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}
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76
thinkphp/library/think/db/builder/Sqlite.php
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76
thinkphp/library/think/db/builder/Sqlite.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\db\builder;
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use think\db\Builder;
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/**
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* Sqlite数据库驱动
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*/
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class Sqlite extends Builder
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{
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/**
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* limit
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* @access public
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* @param string $limit
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* @return string
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*/
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public function parseLimit($limit)
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{
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$limitStr = '';
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if (!empty($limit)) {
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$limit = explode(',', $limit);
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if (count($limit) > 1) {
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$limitStr .= ' LIMIT ' . $limit[1] . ' OFFSET ' . $limit[0] . ' ';
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} else {
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$limitStr .= ' LIMIT ' . $limit[0] . ' ';
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}
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}
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return $limitStr;
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}
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/**
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* 随机排序
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* @access protected
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* @return string
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*/
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protected function parseRand()
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{
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return 'RANDOM()';
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}
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/**
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* 字段和表名处理
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* @access protected
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* @param string $key
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* @param array $options
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* @return string
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*/
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protected function parseKey($key, $options = [])
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{
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$key = trim($key);
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if (strpos($key, '.')) {
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list($table, $key) = explode('.', $key, 2);
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if ('__TABLE__' == $table) {
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$table = $this->query->getTable();
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}
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if (isset($options['alias'][$table])) {
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$table = $options['alias'][$table];
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}
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}
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if (isset($table)) {
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$key = $table . '.' . $key;
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}
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return $key;
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}
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}
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123
thinkphp/library/think/db/builder/Sqlsrv.php
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123
thinkphp/library/think/db/builder/Sqlsrv.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\db\builder;
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use think\db\Builder;
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/**
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* Sqlsrv数据库驱动
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*/
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class Sqlsrv extends Builder
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{
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protected $selectSql = 'SELECT T1.* FROM (SELECT thinkphp.*, ROW_NUMBER() OVER (%ORDER%) AS ROW_NUMBER FROM (SELECT %DISTINCT% %FIELD% FROM %TABLE%%JOIN%%WHERE%%GROUP%%HAVING%) AS thinkphp) AS T1 %LIMIT%%COMMENT%';
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protected $selectInsertSql = 'SELECT %DISTINCT% %FIELD% FROM %TABLE%%JOIN%%WHERE%%GROUP%%HAVING%';
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protected $updateSql = 'UPDATE %TABLE% SET %SET% FROM %TABLE% %JOIN% %WHERE% %LIMIT% %LOCK%%COMMENT%';
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protected $deleteSql = 'DELETE FROM %TABLE% %USING% FROM %TABLE% %JOIN% %WHERE% %LIMIT% %LOCK%%COMMENT%';
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protected $insertSql = 'INSERT INTO %TABLE% (%FIELD%) VALUES (%DATA%) %COMMENT%';
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protected $insertAllSql = 'INSERT INTO %TABLE% (%FIELD%) %DATA% %COMMENT%';
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/**
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* order分析
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* @access protected
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* @param mixed $order
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* @param array $options
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* @return string
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*/
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protected function parseOrder($order, $options = [])
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{
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if (is_array($order)) {
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$array = [];
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foreach ($order as $key => $val) {
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if (is_numeric($key)) {
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if (false === strpos($val, '(')) {
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$array[] = $this->parseKey($val, $options);
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} elseif ('[rand]' == $val) {
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$array[] = $this->parseRand();
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} else {
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$array[] = $val;
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}
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} else {
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$sort = in_array(strtolower(trim($val)), ['asc', 'desc']) ? ' ' . $val : '';
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$array[] = $this->parseKey($key, $options) . ' ' . $sort;
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}
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}
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$order = implode(',', $array);
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}
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return !empty($order) ? ' ORDER BY ' . $order : ' ORDER BY rand()';
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}
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/**
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* 随机排序
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* @access protected
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* @return string
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*/
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protected function parseRand()
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{
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return 'rand()';
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}
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/**
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* 字段和表名处理
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* @access protected
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* @param string $key
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* @param array $options
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* @return string
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*/
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protected function parseKey($key, $options = [])
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{
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$key = trim($key);
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if (strpos($key, '.') && !preg_match('/[,\'\"\(\)\[\s]/', $key)) {
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list($table, $key) = explode('.', $key, 2);
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if ('__TABLE__' == $table) {
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$table = $this->query->getTable();
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}
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if (isset($options['alias'][$table])) {
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$table = $options['alias'][$table];
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}
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}
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if (!is_numeric($key) && !preg_match('/[,\'\"\*\(\)\[.\s]/', $key)) {
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$key = '[' . $key . ']';
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}
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if (isset($table)) {
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$key = '[' . $table . '].' . $key;
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}
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return $key;
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}
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/**
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* limit
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* @access protected
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* @param mixed $limit
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* @return string
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*/
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protected function parseLimit($limit)
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{
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if (empty($limit)) {
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return '';
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}
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$limit = explode(',', $limit);
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if (count($limit) > 1) {
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$limitStr = '(T1.ROW_NUMBER BETWEEN ' . $limit[0] . ' + 1 AND ' . $limit[0] . ' + ' . $limit[1] . ')';
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} else {
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$limitStr = '(T1.ROW_NUMBER BETWEEN 1 AND ' . $limit[0] . ")";
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}
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return 'WHERE ' . $limitStr;
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}
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public function selectInsert($fields, $table, $options)
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{
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$this->selectSql = $this->selectInsertSql;
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return parent::selectInsert($fields, $table, $options);
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}
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}
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