mirror of
https://gitee.com/ShopeX/OMS
synced 2026-03-23 02:45:33 +08:00
527 lines
19 KiB
PHP
527 lines
19 KiB
PHP
<?php
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/**
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* Copyright 2026 ShopeX (https://www.shopex.cn)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class base_application_dbtable extends base_application_prototype_filepath{
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var $path = 'dbschema';
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var $use_db_cache = true;
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var $_define = null;
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static $force_update = false;
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static $__type_define = array();
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function __construct($app=null)
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{
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parent::__construct($app);
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$db = kernel::database();
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//$rs = $db->select('show variables like "have_innodb"');
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//$this->_enable_innodb = ($rs[0]['Value']=='YES' ? true : false);
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$this->_enable_innodb = true;
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}//End Function
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function get_sql($tablename=null){
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if(!$tablename){
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$tablename = $this->real_table_name();
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}
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$define = &$this->load();
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$rows = array();
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foreach($define['columns'] as $k=>$v){
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$rows[] = '`'.$k.'` '.$this->get_column_define($v);
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}
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$this->get_index_sql('PRIMARY');
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if($define['pkeys']){
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$rows[] = $this->get_index_sql('PRIMARY');
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}
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if(is_array($define['index'])){
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foreach($define['index'] as $key=>$value){
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$rows[] = $this->get_index_sql($key);
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}
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}
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$sql = 'CREATE TABLE `'.$tablename.'`'." (\n\t".implode(",\n\t",$rows)."\n)";
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$engine = isset($define['engine'])?$define['engine']:'InnoDB';
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if(!$this->_enable_innodb && strtolower($engine)=='innodb'){
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$engine = 'MyISAM';
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}
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if($this->dbver == 3){
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$sql.= 'type = '.$engine;
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}else{
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$sql.= 'ENGINE = '.$engine;
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}
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if (!isset($define['charset']) || !in_array($define['charset'],array('utf8','utf8mb4'))) {
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$sql .= ' DEFAULT CHARACTER SET utf8';
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}else{
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$sql .= ' DEFAULT CHARACTER SET ' . $define['charset'];
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}
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if (isset($define['comment']) && $define['comment']) {
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$sql.= ' COMMENT = "'.$define['comment'].'"';
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}
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// 分区
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if (isset($define['partition']) && $define['partition']) {
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$sql.= ' PARTITION BY '.$define['partition']['type'].' (`'.$define['partition']['columns'].'`) (';
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$partitions = [];
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foreach ($define['partition']['partitions'] as $key => $value) {
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$partitions[] = 'PARTITION '.$key.' VALUES LESS THAN ('.$value.')';
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}
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$sql .= implode(',', $partitions) . ')';
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}
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$sql .= ';';
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return $sql;
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}
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function real_table_name(){
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return kernel::database()->prefix.$this->target_app->app_id.'_'.$this->key();
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}
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function &load($check_lastmodified=true){
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$real_table_name = $this->real_table_name();
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if($this->_define[$real_table_name]){
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return $this->_define[$real_table_name];
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}
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if(kernel::is_online() && !($this->target_app->app_id=='base' && $this->key()=='kvstore')){
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if(defined('CUSTOM_CORE_DIR') && file_exists(CUSTOM_CORE_DIR.'/'.$this->target_app->app_id.'/dbschema/'.$this->key.'.php')){
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$define_lastmodified = ($check_lastmodified) ? filemtime(CUSTOM_CORE_DIR.'/'.$this->target_app->app_id.'/dbschema/'.$this->key.'.php') : null;
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}else{
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$define_lastmodified = ($check_lastmodified) ? filemtime($this->target_app->app_dir.'/dbschema/'.$this->key.'.php') : null;
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}
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$define_flag = base_kvstore::instance('tbdefine')->fetch($this->target_app->app_id.$this->key, $define, $define_lastmodified);
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}else{
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$define_flag = false;
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}
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if($define_flag === false || !$define){
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if(defined('CUSTOM_CORE_DIR') && file_exists(CUSTOM_CORE_DIR.'/'.$this->target_app->app_id.'/dbschema/'.$this->key.'.php')){
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require(CUSTOM_CORE_DIR.'/'.$this->target_app->app_id.'/dbschema/'.$this->key.'.php');
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}else{
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require($this->target_app->app_dir.'/dbschema/'.$this->key.'.php');
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}
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$define = &$db[$this->key()];
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$this->_define[$real_table_name] = &$define;
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foreach($define['columns'] as $k=>$v){
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if($v['pkey'])
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$define['idColumn'][$k] = $k;
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if($v['is_title'])
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$define['textColumn'][$k] = $k;
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if($v['in_list']){
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$define['in_list'][] = $k;
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if($v['default_in_list']){
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$define['default_in_list'][] = $k;
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}
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}
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$define['columns'][$k] = $this->_prepare_column($k, $v);
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if(isset($v['pkey']) && $v['pkey']){
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$define['pkeys'][$k] = $k;
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}
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}
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if(!$define['idColumn']){
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$define['idColumn'] = key($define['columns']);
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}elseif(count($define['idColumn'])==1){
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$define['idColumn'] = current($define['idColumn']);
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}
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if(!$define['textColumn']){
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$keys = array_keys($define['columns']);
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$define['textColumn'] = $keys[1];
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}elseif(is_string($define['idColumn'])){
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$define['textColumn'] = current($define['textColumn']);
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}
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if(kernel::is_online() && !($this->target_app->app_id=='base' && $this->key()=='kvstore')){
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base_kvstore::instance('tbdefine')->store($this->target_app->app_id.$this->key,$define);
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}
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}
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return $define;
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}
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function get_column_define($v){
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$r = $v['realtype'];
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if(isset($v['required']) && $v['required']){
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$r.=' not null';
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}
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if(isset($v['default'])){
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if($v['default']===null){
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$r.=' default null';
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}elseif(is_string($v['default']) && !in_array($v['default'], array ('CURRENT_TIMESTAMP','CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'))){
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$r.=' default \''.$v['default'].'\'';
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}else{
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$r.=' default '.$v['default'];
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}
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}
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if(isset($v['extra'])){
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$r.=' '.$v['extra'];
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}
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$comment = $v['comment'] ?: $v['label'];
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if(isset($comment) && $comment){
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$r.=' comment \''.$comment.'\'';
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}
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return $r;
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}
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function _prepare_column($col_name, $col_set){
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$col_set['realtype'] = $col_set['type'];
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if(is_array($col_set['type'])){
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$col_set['realtype'] = 'enum(\''.implode('\',\'',array_keys($col_set['type'])).'\')';
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}elseif(substr($col_set['type'],0,6)=='table:'){
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list(,$tablename,$column) = explode(':',$col_set['type']);
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if($p=strpos($tablename,'@')){
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$app = substr($tablename,$p+1);
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$tablename = substr($tablename,0,$p);
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}else{
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$app = $this->target_app;
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}
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$table = new base_application_dbtable;
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$def = $table->detect($app,$tablename)->load(false);
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if(!$column){
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$pkeyfounded = false;
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foreach($def['columns'] as $cn=>$ci){
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if($ci['pkey']){
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$column = $cn;
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$pkeyfounded = true;
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break;
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}
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}
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if(!$pkeyfounded){
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$column = key($def['columns']);
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}
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}
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if($col_set['pkey'] !== true){
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$define = &$this->load();
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$define['index']['idx_c_'.$col_name] = array('columns'=>array($col_name));
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}
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$col_set['realtype'] = $def['columns'][$column]['realtype'];
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}elseif($this->type_define($col_set['type'])){
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$col_set['realtype'] = $this->type_define($col_set['type']);
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}
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if(substr(trim($col_set['realtype']),-4,4)=='text'){
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unset($col_set['default']);
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}else{
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//int
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$col_set['realtype'] = str_replace('integer','int',$col_set['realtype']);
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if(false===strpos($col_set['realtype'],'(')){
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$int_length = 0;
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if(false!==strpos($col_set['realtype'],'tinyint')){
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$int_length = 4;
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}elseif(false!==strpos($col_set['realtype'],'smallint')){
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$int_length = 6;
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}elseif(false!==strpos($col_set['realtype'],'mediumint')){
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$int_length = 9;
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}elseif(false!==strpos($col_set['realtype'],'bigint')){
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$int_length = 20;
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}elseif(false!==strpos($col_set['realtype'],'int')){
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$int_length = 11;
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}
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if($int_length){
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if($int_length<20 && false!==strpos($col_set['realtype'],'unsigned')){
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$int_length--;
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}
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$col_set['realtype'] = str_replace('int','int('.$int_length.')',$col_set['realtype']);
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}
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}
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}
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return $col_set;
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}
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function type_define($type){
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if(!self::$__type_define){
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if(defined('CUSTOM_CORE_DIR') && file_exists(CUSTOM_CORE_DIR.'/base/datatypes.php')){
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require(CUSTOM_CORE_DIR.'/base/datatypes.php');
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}else{
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require(APP_DIR.'/base/datatypes.php');
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}
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$types = array();
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foreach($datatypes as $k=>$v){
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if($v['sql']){
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$types[$k] = $v['sql'];
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}
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}
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self::$__type_define = &$types;
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}
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return isset(self::$__type_define[$type])?self::$__type_define[$type]:false;
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}
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function current(){
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$this->key = substr($this->iterator()->getFilename(),0,-4);
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return $this;
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}
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function filter(){
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return substr($this->iterator()->getFilename(),-4,4)=='.php' && is_file($this->getPathname());
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}
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function install(){
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$db = kernel::database();
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$sql = $this->get_sql();
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$real_table_name = $this->real_table_name();
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$db->exec('drop table if exists `'.$real_table_name.'`');
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$rs = $db->exec($sql);
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kernel::log('Creating table '.$real_table_name.' ...... '.($rs?'ok':'error'));
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}
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private function get_current_define($tbname){
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$define = kernel::database()->select("/*FORCE_MASTER*/ show tables like '".$tbname."'");
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if($define){
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$rows = @kernel::database()->select('/*FORCE_MASTER*/ SHOW COLUMNS FROM '.$tbname);
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$columns = array();
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if($rows){
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foreach($rows as $c){
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$columns[$c['Field']] = array(
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'type'=>$c['Type'],
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'default'=>$c['Default'],
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'required'=>!($c['Null']=='YES'),
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);
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}
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}
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$rows = @kernel::database()->select('/*FORCE_MASTER*/ SHOW INDEX FROM '.$tbname);
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$index = array();
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if($rows){
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foreach($rows as $row){
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$index[$row['Key_name']] = array(
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'Column_name'=>$row['Column_name'],
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'Non_unique'=>$row['Non_unique'],
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'Collation'=>$row['Collation'],
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'Sub_part'=>$row['Sub_part'],
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'Index_type'=>$row['Index_type'],
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);
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}
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}
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return array('columns'=>$columns, 'index'=>$index);
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}else{
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return false;
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}
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}
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function get_index_sql($name){
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$define = $this->load();
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if($name=='PRIMARY'){
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if($define['pkeys']){
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return 'primary key ('.implode(',',$define['pkeys']).')';
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}
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}else{
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$value = $define['index'][$name];
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foreach ($value['columns'] as $k => $c) {
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if (preg_match('/(\w+)\((\d+)\)$/',$c,$m)) {
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$value['columns'][$k] = '`'.$m[1].'`('.$m[2].')';
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} else {
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$value['columns'][$k] = '`'.$c.'`';
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}
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}
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return $value['prefix'].' INDEX '.$name.($value['type']?(' USING '.$value['type']):'').'('.implode(',',$value['columns']).')';
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}
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}
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function diff_sql($be_careful=true){
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$diff = array();
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$real_table_name = $this->real_table_name();
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$old_define = $this->get_current_define($real_table_name);
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if($old_define){
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$tb_define = $this->load();
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$db = kernel::database();
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$tmp_table = 'tmp_'.uniqid();
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if(@!$db->exec($this->get_sql($tmp_table))){
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return false;
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}
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$new_define = $this->get_current_define($tmp_table);
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$db->exec('drop table if exists '.$tmp_table);
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if($new_define==$old_define){
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return array();
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}else{
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foreach($new_define['columns'] as $key=>$define){
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if(isset($old_define['columns'][$key])){
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if($old_define['columns'][$key] != $new_define['columns'][$key]){
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if(!$old_define['columns'][$key]['required'] && $new_define['columns'][$key]['required']){
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$default=$new_define['default']?$new_define['default']:"''";
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$diff[] = "update {$real_table_name} set `{$key}`={$default} where `{$key}`=null;\n";
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}
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$alter[]='MODIFY COLUMN `'.$key.'` '.$this->get_column_define($tb_define['columns'][$key]);
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}
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}else{
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$alter[]='ADD COLUMN `'.$key.'` '.$this->get_column_define($tb_define['columns'][$key]).' '.($last?('AFTER `'.$last.'`'):'FIRST');
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}
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unset($old_define['columns'][$key]);
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$last = $key;
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}
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if(is_array($old_define['columns'])){
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if($be_careful){
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foreach($old_define['columns'] as $c=>$def){
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$alter[]='DROP COLUMN `'.$c.'`'; //设置默认值或者允许空值
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}
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}
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}
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if($alter){
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$diff[]='ALTER TABLE `'.$real_table_name."` \n\t".implode(",\n\t",$alter).';';
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}
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//todo: 索引和主键
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$old_define_index = $old_define['index'];
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foreach($new_define['index'] as $key=>$define){
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if(isset($old_define['index'][$key])){
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if($old_define['index'][$key] != $new_define['index'][$key]){
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print_r($old_define['index'][$key]);
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print_r($new_define['index'][$key]);
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echo "=====================\n";
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$diff[] = 'ALTER TABLE `'.$real_table_name.'` DROP '.($key==='PRIMARY'?'PRIMARY KEY':'INDEX '.$key).' , ADD '.$this->get_index_sql($key);
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}
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unset($old_define_index[$key]);
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}else{
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$diff[] = 'ALTER TABLE `'.$real_table_name.'` ADD '.$this->get_index_sql($key);
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}
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}
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if(is_array($old_define_index)){
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foreach($old_define_index AS $key=>$define){
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if($key === 'PRIMARY'){
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$diff[] = 'ALTER TABLE `'.$real_table_name.'` DROP PRIMARY KEY';
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}else{
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$diff[] = 'ALTER TABLE `'.$real_table_name.'` DROP KEY `' . $key . '`';
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}
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}
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}
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}
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}else{
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$diff[]= $this->get_sql();
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}
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return $diff;
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}
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function update($app_id){
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$update_info = $this->diff($app_id);
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if($update_info){
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$this->merge($update_info);
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}
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}
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function diff($app_id){
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$diff = array();
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foreach($this->detect($app_id) as $k=>$item){
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//$diff = array_merge($diff,$item->diff_sql());
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$item_sql_arr = $item->diff_sql();
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if(is_array($item_sql_arr)){
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$diff = array_merge($diff, $item_sql_arr);
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}
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}
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return $diff;
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}
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function merge($diff){
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if($diff){
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foreach($diff as $sql ){
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kernel::log($sql);
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kernel::database()->exec($sql);
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}
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}
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}
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function last_modified($app_id){
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if(self::$force_update){
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return time()+999999;
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}else{
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return parent::last_modified($app_id);
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}
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}
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function clear_by_app($app_id){
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$db = kernel::database();
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$rows = $db->select('/*FORCE_MASTER*/ show tables like '.$db->quote(kernel::database()->prefix.$app_id.'\_%'));
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foreach($rows as $row){
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$tables[] = current($row);
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}
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if($tables){
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$db->exec('drop tables IF EXISTS '.implode(',',$tables));
|
|
}
|
|
}
|
|
|
|
function pause_by_app($app_id)
|
|
{
|
|
$db = kernel::database();
|
|
$tables = array();
|
|
$fix = substr(md5('dbtable_'.$app_id), 0, 16);
|
|
$rows = $db->select('/*FORCE_MASTER*/ show tables like '.$db->quote(kernel::database()->prefix.$app_id.'\_%\_'.$fix));
|
|
foreach($rows as $row){
|
|
$tables[] = current($row);
|
|
}
|
|
if($tables){
|
|
$db->exec('drop tables IF EXISTS '.implode(',',$tables));
|
|
}
|
|
$tables = array();
|
|
$rows = $db->select('/*FORCE_MASTER*/ show tables like '.$db->quote(kernel::database()->prefix.$app_id.'\_%'));
|
|
foreach($rows as $row){
|
|
$tables[] = current($row);
|
|
}
|
|
foreach($tables AS $table){
|
|
$db->exec('ALTER TABLE `' . $table . '` RENAME `' . $table . '_' . $fix . '`');
|
|
kernel::log(sprintf('%s backup to %s', $table, $table . '_' . $fix));
|
|
}
|
|
}//End Function
|
|
|
|
function active_by_app($app_id)
|
|
{
|
|
$db = kernel::database();
|
|
$tables = array();
|
|
$fix = substr(md5('dbtable_'.$app_id), 0, 16);
|
|
$rows = $db->select('/*FORCE_MASTER*/ show tables like '.$db->quote(kernel::database()->prefix.$app_id.'\_%\_'.$fix));
|
|
foreach($rows as $row){
|
|
$tables[] = current($row);
|
|
}
|
|
foreach($tables AS $table){
|
|
$pos = strpos($table, '_' . $fix);
|
|
if($pos){
|
|
$db->exec('ALTER TABLE `' . $table . '` RENAME `' . substr($table, 0, $pos) . '`');
|
|
kernel::log(sprintf('%s restore', substr($table, 0, $pos)));
|
|
}
|
|
}
|
|
}//End Function
|
|
|
|
}
|