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+16
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<?php
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/**
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* 加工工厂类由开发者自行开发，继承自这个类
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*/
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abstract class LtAbstractDbSqlMapFilterObject {
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// query()方法返回的结果集，用于加工的原料
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public $result;
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/**
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* 需要被继承，实现逻辑的操作类，输入query()方法返回的结果集
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* 经过处理后返回开发者定义的对象或结构
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*/
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abstract protected function process();
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}
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+14
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<?php
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class LtDbSqlMapClient
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{
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public $configHandle;
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public $dbh;
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public function execute($mapId, $bind = null)
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{
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$sqlMap = $this->configHandle->get($this->dbh->group . "." . $mapId);
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$forceUseMaster = isset($sqlMap["force_use_master"]) ? $sqlMap["force_use_master"] : false;
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return $this->dbh->query($sqlMap["sql"], $bind, $forceUseMaster);
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}
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}
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+24
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<?php
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/**
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* 用于加工DB句柄query方法返回的数组
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* 开发者在一次会话中可配置多个Filter
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*/
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class LtDbSqlMapResultFactory {
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// Filter列表
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public $filters;
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public $configHandle;
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public function init() {
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}
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/**
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* 工厂入口，sql map client调用的方法
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* 在这个方法中调用开发者自定义的
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* LtAbstractSqlMapFilterObject.process()方法
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* 可配置多个process方法
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*/
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public function run() {
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}
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}
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Executable
+300
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<?php
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/**
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* Database Table abstract
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*
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* @todo pretty join support
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*/
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class LtDbTableDataGateway
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{
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public $configHandle;
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public $dbh;
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/**
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* The created field name
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*
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* @var string
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*/
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public $createdColumn;
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/**
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* The modified field name
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*
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* @var string
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*/
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public $modifiedColumn;
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/**
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* The table name
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*
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* @var string
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*/
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public $tableName;
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/**
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* The fields array
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*
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* @var array
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*/
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protected $fields;
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/**
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* The primary key
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*
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* @var string
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*/
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protected $primaryKey;
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protected $servers;
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/**
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* Build table's field list
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*
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* @return array
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*/
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protected function buildFieldList()
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{
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if (!empty($this->fields))
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{
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return true;
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}
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$servers = $this->configHandle->get('db.servers');
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$group = $this->dbh->group;
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$node = $this->dbh->node;
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$role = $this->dbh->role;
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$table = $this->tableName;
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$host = key($servers[$group][$node][$role]);
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$key = md5($group . $node . $role . $table . $host . $table);
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if (!$value = $this->configHandle->get($key))
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{
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$sql = $this->dbh->sqlAdapter->showFields($this->tableName);
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$rs = $this->dbh->query($sql);
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$this->fields = $this->dbh->sqlAdapter->getFields($rs);
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foreach($this->fields as $field)
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{
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if ($field['primary'] == 1)
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{
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$this->primaryKey = $field['name'];
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break;
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}
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}
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$value['fields'] = $this->fields;
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$value['primaryKey'] = $this->primaryKey;
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$this->configHandle->addConfig(array($key => $value));
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}
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else
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{
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$this->fields = $value['fields'];
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$this->primaryKey = $value['primaryKey'];
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}
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}
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/**
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* A shortcut to SELECT COUNT(*) FROM table WHERE condition
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*
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* @param array $args
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* @return integer
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* @example count(array('expression' => 'id < :id', 'value' => array('id' => 10)));
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*/
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public function count($args = null)
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{
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$selectTemplate = 'SELECT COUNT(*) AS total FROM %s%s';
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$where = isset($args['where']['expression']) ? ' WHERE ' . $args['where']['expression'] : '';
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$bind = isset($args['where']['value']) ? $args['where']['value'] : array();
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$join = isset($args['join']) ? ' ' . $args['join'] : '';
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$sql = sprintf($selectTemplate, $this->tableName, $join . $where);
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$queryResult = $this->dbh->query($sql, $bind);
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return $queryResult[0]['total'];
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}
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/**
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* Delete a row by primary key
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*
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* @param string $primaryKeyId
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* @return string
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* @example delete(10);
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*/
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public function delete($primaryKeyId)
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{
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$this->buildFieldList();
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$where['expression'] = $this->primaryKey . '=:' . $this->primaryKey;
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$where['value'][$this->primaryKey] = $primaryKeyId;
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return $this->deleteRows($where);
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}
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/**
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* Delete many rows from table
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* Please use this method carefully!
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*
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* @param array $args
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* @return integer
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* @example deleteRows(array('expression' => "id > :id", 'value' => array('id' => 2)));
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*/
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public function deleteRows($args = null)
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{
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$deleteTemplate = 'DELETE FROM %s%s';
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$where = isset($args['expression']) ? ' WHERE ' . $args['expression'] : '';
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$bind = isset($args['value']) ? $args['value'] : array();
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$sql = sprintf($deleteTemplate, $this->tableName, $where);
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return $this->dbh->query($sql, $bind);
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}
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/**
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* Fetch one row from table by primary key
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*
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* @param string $primaryKeyId
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* @param array $args
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* @param boolean $useSlave
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* @return array
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* @example fetch(10)
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*/
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public function fetch($primaryKeyId, $args = null, $useSlave = true)
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{
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$this->buildFieldList();
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$fetchRowsArgs['where']['expression'] = $this->tableName . '.' . $this->primaryKey . '=:' . $this->primaryKey;
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$fetchRowsArgs['where']['value'][$this->primaryKey] = $primaryKeyId;
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$fetchRowsArgs['fields'] = isset($args['fields']) ? $args['fields'] : null;
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$fetchRowsArgs['join'] = isset($args['join']) ? $args['join'] : null;
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$fetchResult = $this->fetchRows($fetchRowsArgs, $useSlave);
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return $fetchResult ? $fetchResult[0] : $fetchResult;
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}
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/**
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* Fetch many rows from table
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*
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* @param array $args
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* @param boolean $useSlave
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* @return array
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* @example fetchRows(array('where' => array('expression' => "id > :id", 'value' => array('id' => 2))));
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*/
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public function fetchRows($args = null, $useSlave = true)
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{
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$this->buildFieldList();
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$selectTemplate = 'SELECT %s FROM %s%s';
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$fields = isset($args['fields']) ? $args['fields'] : '*';
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$where = isset($args['where']['expression']) ? ' WHERE ' . $args['where']['expression'] : '';
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$bind = isset($args['where']['value']) ? $args['where']['value'] : array();
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$join = isset($args['join']) ? ' ' . $args['join'] : '';
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$orderby = isset($args['orderby']) ? ' ORDER BY ' . $args['orderby'] : '';
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$groupby = isset($args['groupby']) ? ' GROUP BY ' . $args['groupby'] : '';
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$sql = sprintf($selectTemplate, $fields, $this->tableName, $join . $where . $groupby . $orderby);
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if (isset($args['limit']))
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{
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$offset = isset($args['offset']) ? $args['offset'] : 0;
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$sql = $sql . ' ' . $this->dbh->sqlAdapter->limit($args['limit'], $offset);
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}
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return $this->dbh->query($sql, $bind);
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}
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/**
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* Insert one row into table, then return the inserted row's pk
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*
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* @param array $args
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* @return string
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* @example insert(array('name' => 'lily', 'age' => '12'));
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*/
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public function insert($args = null)
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{
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$this->buildFieldList();
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$insertTemplate = 'INSERT INTO %s (%s) VALUES (%s)';
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$fields = array();
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$placeHolders = array();
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foreach($args as $field => $value)
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{
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if (isset($this->fields[$field]))
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{
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$fields[] = $field;
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$placeholders[] = ":$field";
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$values[$field] = $value;
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}
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}
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if (isset($this->fields[$this->createdColumn]) && !isset($args[$this->createdColumn]))
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{
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$fields[] = $this->createdColumn;
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$placeholders[] = ':' . $this->createdColumn;
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$values[$this->createdColumn] = time();
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}
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if (isset($this->fields[$this->modifiedColumn]) && !isset($args[$this->modifiedColumn]))
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{
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$fields[] = $this->modifiedColumn;
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$placeholders[] = ':' . $this->modifiedColumn;
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$values[$this->modifiedColumn] = time();
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}
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$sql = sprintf($insertTemplate, $this->tableName, implode(",", $fields), implode(",", $placeholders));
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$bind = $values;
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$queryResult = $this->dbh->query($sql, $bind);
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return isset($args[$this->primaryKey]) ? $args[$this->primaryKey] : $queryResult;
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}
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/**
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* Update one row by primary key
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*
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* @param string $primaryKeyId
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* @param array $args
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* @return integer
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* @example update(1, array('name' => 'lily', 'age' => '18'));
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*/
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public function update($primaryKeyId, $args = null)
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{
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$this->buildFieldList();
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$where['expression'] = $this->primaryKey . '=:' . $this->primaryKey;
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$where['value'][$this->primaryKey] = $primaryKeyId;
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return $this->updateRows($where, $args);
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}
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/**
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* Update manay rows
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* Please use this method carefully!
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*
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* @param array $where
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* @param array $args
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* @return integer
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* @example updateRows(array('expression' => "id > :id", 'value' => array('id' => 2)), array('name' => 'kiwi', 'age' => '1'));
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*/
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public function updateRows($where, $args = null)
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{
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$this->buildFieldList();
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$updateTemplate = 'UPDATE %s SET %s%s';
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$fields = array();
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$bindParameters = array();
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$placeholderStyle = isset($where['value']) && array_key_exists(0, $where['value']) ? 'questionMark' : 'named';
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foreach($args as $field => $value)
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{
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if (isset($this->fields[$field]))
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{
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if ($args[$field] instanceof DbExpression)
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{
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$fields[] = "$field=" . $args[$field]->__toString();
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}
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else
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{
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if ('named' == $placeholderStyle)
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{
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$fields[] = "$field=:$field";
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$bindParameters[$field] = $args[$field];
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}
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else
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{
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$fields[] = "$field=?";
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$bindParameters[] = $args[$field];
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}
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}
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}
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}
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if (isset($this->fields[$this->modifiedColumn]) && !isset($args[$this->modifiedColumn]))
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{
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if ('named' == $placeholderStyle)
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{
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$fields[] = $this->modifiedColumn . '=:' . $this->modifiedColumn;
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$bindParameters[$this->modifiedColumn] = time();
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}
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else
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{
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$fields[] = $this->modifiedColumn . '=?';
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$bindParameters[] = time();
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}
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}
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$whereCause = isset($where['expression']) ? ' WHERE ' . $where['expression'] : '';
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$bind = isset($where['value']) ? array_merge($bindParameters, $where['value']) : $bindParameters;
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$sql = sprintf($updateTemplate, $this->tableName, implode(",", $fields), $whereCause);
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return $this->dbh->query($sql, $bind);
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}
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}
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+1
@@ -0,0 +1 @@
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<?php
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||||
+1
@@ -0,0 +1 @@
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||||
<?php
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||||
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