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@@ -1,1850 +0,0 @@
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-<?php
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-namespace GatewayWorker\Lib;
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-
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-/**
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- * 数据库连接类，依赖mysql_pdo扩展
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- * 在https://github.com/auraphp/Aura.SqlQuery的基础上修改而成
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- */
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-class DbConnection
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-{
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- /**
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- * SELECT
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- * @var array
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- */
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- protected $union = array();
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-
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- /**
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- * 是否是更新
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- * @var bool
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- */
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- protected $for_update = false;
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-
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- /**
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- * 选择的列
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- * @var array
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- */
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- protected $cols = array();
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-
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- /**
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- * 从哪些表里面SELECT
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- * @var array
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- */
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- protected $from = array();
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-
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- /**
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- * $from 当前的 key
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- * @var int
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- */
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- protected $from_key = -1;
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-
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- /**
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- * GROUP BY 的列
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- * @var array
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- */
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- protected $group_by = array();
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-
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- /**
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- * HAVING 条件数组.
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- * @var array
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- */
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- protected $having = array();
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-
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- /**
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- * HAVING 语句中绑定的值.
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- * @var array
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- */
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- protected $bind_having = array();
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-
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- /**
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- * 每页多少条记录
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- * @var int
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- */
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- protected $paging = 10;
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-
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- /**
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- * sql中绑定的值
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- * @var array
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- */
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- protected $bind_values = array();
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-
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- /**
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- * WHERE 条件.
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- * @var array
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- */
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- protected $where = array();
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-
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- /**
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- * WHERE语句绑定的值
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- * @var array
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- */
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- protected $bind_where = array();
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-
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- /**
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- * ORDER BY 的列
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- * @var array
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- */
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- protected $order_by = array();
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-
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- /**
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- * ORDER BY 的排序方式,默认为升序
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- * @var bool
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- */
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- protected $order_asc = true;
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- /**
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- * SELECT多少记录
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- * @var int
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- */
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- protected $limit = 0;
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-
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- /**
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- * 返回记录的游标
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- * @var int
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- */
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- protected $offset = 0;
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-
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- /**
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- * flags 列表
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- * @var array
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- */
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- protected $flags = array();
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-
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- /**
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- * 操作哪个表
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- * @var string
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- */
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- protected $table;
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-
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- /**
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- * 表.列 和 last-insert-id 映射
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- * @var array
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- */
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- protected $last_insert_id_names = array();
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-
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- /**
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- * INSERT 或者 UPDATE 的列
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- * @param array
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- */
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- protected $col_values;
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-
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- /**
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- * 返回的列
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- * @var array
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- */
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- protected $returning = array();
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-
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- /**
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- * sql的类型 SELECT INSERT DELETE UPDATE
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- * @var string
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- */
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- protected $type = '';
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-
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- /**
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- * pdo 实例
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- * @var pdo
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- */
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- protected $pdo;
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-
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- /**
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- * PDO statement 实例
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- * @var PDO statement
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- */
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- protected $sQuery;
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-
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- /**
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- * 数据库用户名密码等配置
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- * @var array
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- */
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- protected $settings = array();
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-
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- /**
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- * sql的参数
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- * @var array
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- */
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- protected $parameters = array();
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-
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- /**
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- * 最后一条直行的sql
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- * @var string
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- */
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- protected $lastSql = '';
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-
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- /**
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- * 选择哪些列
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- * @param string/array $cols
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- */
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- public function select($cols = '*')
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- {
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- $this->type = 'SELECT';
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- if(!is_array($cols))
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- {
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- $cols = array($cols);
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- }
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- $this->cols($cols);
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- return $this;
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- }
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-
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- /**
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- * 从哪个表删除
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- * @param string $table
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- * @return self
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- */
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- public function delete($table)
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- {
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- $this->type = 'DELETE';
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- $this->table = $this->quoteName($table);
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- $this->fromRaw($this->quoteName($table));
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- return $this;
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- }
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-
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- /**
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- * 更新哪个表
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- * @param string $table
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- */
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- public function update($table)
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- {
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- $this->type = 'UPDATE';
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- $this->table = $this->quoteName($table);
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- return $this;
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- }
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-
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- /**
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- * 向哪个表插入
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- * @param string $table
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- */
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- public function insert($table)
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- {
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- $this->type = 'INSERT';
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- $this->table = $this->quoteName($table);
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- return $this;
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- }
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-
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- /**
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- *
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- * 设置 SQL_CALC_FOUND_ROWS 标记.
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- * @param bool
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- * @return self
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- */
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- public function calcFoundRows($enable = true)
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- {
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- $this->setFlag('SQL_CALC_FOUND_ROWS', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 SQL_CACHE 标记
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- * @param bool
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- * @return self
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- */
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- public function cache($enable = true)
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- {
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- $this->setFlag('SQL_CACHE', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 SQL_NO_CACHE 标记
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- * @param bool
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- * @return self
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- */
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- public function noCache($enable = true)
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- {
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- $this->setFlag('SQL_NO_CACHE', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 STRAIGHT_JOIN 标记.
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- * @param bool
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- * @return self
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- */
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- public function straightJoin($enable = true)
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- {
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- $this->setFlag('STRAIGHT_JOIN', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 HIGH_PRIORITY 标记
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- * @param bool
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- * @return self
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- */
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- public function highPriority($enable = true)
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- {
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- $this->setFlag('HIGH_PRIORITY', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 SQL_SMALL_RESULT 标记
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- * @param bool
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- * @return self
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- */
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- public function smallResult($enable = true)
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- {
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- $this->setFlag('SQL_SMALL_RESULT', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 SQL_BIG_RESULT 标记
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- * @param bool
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- * @return self
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- */
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- public function bigResult($enable = true)
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- {
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- $this->setFlag('SQL_BIG_RESULT', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 SQL_BUFFER_RESULT 标记
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- * @param bool
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- * @return self
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- */
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- public function bufferResult($enable = true)
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- {
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- $this->setFlag('SQL_BUFFER_RESULT', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 FOR UPDATE 标记
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- * @param bool
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- * @return self
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- */
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- public function forUpdate($enable = true)
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- {
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- $this->for_update = (bool) $enable;
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- return $this;
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- }
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-
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- /**
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- * 设置 DISTINCT 标记
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- * @param bool
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- * @return self
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- */
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- public function distinct($enable = true)
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- {
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- $this->setFlag('DISTINCT', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 LOW_PRIORITY 标记
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- * @param bool $enable
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- * @return self
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- */
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- public function lowPriority($enable = true)
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- {
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- $this->setFlag('LOW_PRIORITY', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 IGNORE 标记
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- * @param bool $enable
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- * @return self
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- */
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- public function ignore($enable = true)
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- {
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- $this->setFlag('IGNORE', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 QUICK 标记
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- * @param bool $enable
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- * @return self
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- */
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- public function quick($enable = true)
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- {
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- $this->setFlag('QUICK', $enable);
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- return $this;
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- }
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-
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- /**
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- * 设置 DELAYED 标记
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- * @param bool $enable
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- * @return self
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- */
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- public function delayed($enable = true)
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- {
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- $this->setFlag('DELAYED', $enable);
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- return $this;
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- }
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-
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- /**
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- * 序列化
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- * @return string
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- */
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- public function __toString()
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- {
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- $union = '';
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- if ($this->union) {
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- $union = implode(' ', $this->union) . ' ';
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- }
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- return $union . $this->build();
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- }
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-
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- /**
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- * 设置每页多少条记录
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- * @param int
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- * @return self
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- */
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- public function setPaging($paging)
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- {
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- $this->paging = (int) $paging;
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- return $this;
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- }
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-
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- /**
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- * 获取每页多少条记录
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- * @return int
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- */
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- public function getPaging()
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- {
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- return $this->paging;
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- }
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-
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- /**
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- * 获取绑定在占位符上的值
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- */
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- public function getBindValues()
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- {
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- switch($this->type)
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- {
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- case 'SELECT':
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- return $this->getBindValuesSELECT();
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- case 'DELETE':
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- case 'UPDATE':
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- case 'INSERT':
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- return $this->getBindValuesCOMMON();
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- default :
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- throw new \Exception("type err");
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- }
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- }
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-
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- /**
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- * 获取绑定在占位符上的值
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- * @return array
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- */
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- public function getBindValuesSELECT()
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- {
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- $bind_values = $this->bind_values;
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- $i = 1;
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- foreach ($this->bind_where as $val) {
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- $bind_values[$i] = $val;
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- $i ++;
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- }
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- foreach ($this->bind_having as $val) {
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- $bind_values[$i] = $val;
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- $i ++;
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- }
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- return $bind_values;
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- }
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-
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- /**
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- *
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- * SELECT选择哪些列
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- * @param mixed
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- * @return null
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- */
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- protected function addColSELECT($key, $val)
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- {
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- if (is_string($key)) {
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- $this->cols[$val] = $key;
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- } else {
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- $this->addColWithAlias($val);
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- }
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- }
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-
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- /**
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- * SELECT增加选择的列
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- * @param string
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- * @return null
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- */
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- protected function addColWithAlias($spec)
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- {
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- $parts = explode(' ', $spec);
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- $count = count($parts);
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- if ($count == 2) {
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- $this->cols[$parts[1]] = $parts[0];
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- } elseif ($count == 3 && strtoupper($parts[1]) == 'AS') {
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- $this->cols[$parts[2]] = $parts[0];
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- } else {
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- $this->cols[] = $spec;
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- }
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- }
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-
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- /**
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- * from 哪个表
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- * @param string $table
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- * @return self
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- */
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- public function from($table)
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- {
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- return $this->fromRaw($this->quoteName($table));
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- }
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-
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- /**
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- * from的表
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- * @param string $table
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- * @return self
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- */
|
|
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- public function fromRaw($table)
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- {
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|
|
- $this->from[] = array($table);
|
|
|
- $this->from_key ++;
|
|
|
- return $this;
|
|
|
- }
|
|
|
- /**
|
|
|
- *
|
|
|
- * 子查询
|
|
|
- * @param string $table
|
|
|
- * @param string $name The alias name for the sub-select.
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function fromSubSelect($table, $name)
|
|
|
- {
|
|
|
- $this->from[] = array( "($table) AS " . $this->quoteName($name));
|
|
|
- $this->from_key ++;
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 增加join语句
|
|
|
- * @param string $join inner, left, natural
|
|
|
- * @param string $table
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- public function join($table, $cond = null, $type = '')
|
|
|
- {
|
|
|
- return $this->joinInternal($type, $table, $cond);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 增加join语句
|
|
|
- * @param string $join inner, left, natural
|
|
|
- * @param string $table
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- protected function joinInternal($join, $table, $cond = null)
|
|
|
- {
|
|
|
- if (! $this->from) {
|
|
|
- throw new \Exception('Cannot join() without from()');
|
|
|
- }
|
|
|
-
|
|
|
- $join = strtoupper(ltrim("$join JOIN"));
|
|
|
- $table = $this->quoteName($table);
|
|
|
- $cond = $this->fixJoinCondition($cond);
|
|
|
- $this->from[$this->from_key][] = rtrim("$join $table $cond");
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * quote
|
|
|
- * @param string $cond
|
|
|
- * @return string
|
|
|
- *
|
|
|
- */
|
|
|
- protected function fixJoinCondition($cond)
|
|
|
- {
|
|
|
- if (! $cond) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- $cond = $this->quoteNamesIn($cond);
|
|
|
-
|
|
|
- if (strtoupper(substr(ltrim($cond), 0, 3)) == 'ON ') {
|
|
|
- return $cond;
|
|
|
- }
|
|
|
-
|
|
|
- if (strtoupper(substr(ltrim($cond), 0, 6)) == 'USING ') {
|
|
|
- return $cond;
|
|
|
- }
|
|
|
-
|
|
|
- return 'ON ' . $cond;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * inner join
|
|
|
- * @param string $spec
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- public function innerJoin($table, $cond = null)
|
|
|
- {
|
|
|
- return $this->joinInternal('INNER', $table, $cond);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * left join
|
|
|
- * @param string $table
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- public function leftJoin($table, $cond = null)
|
|
|
- {
|
|
|
- return $this->joinInternal('LEFT', $table, $cond);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * right join
|
|
|
- * @param string $table
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- public function rightJoin($table, $cond = null)
|
|
|
- {
|
|
|
- return $this->joinInternal('RIGHT', $table, $cond);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * joinSubSelect
|
|
|
- * @param string $join inner, left, natural
|
|
|
- * @param string $spec
|
|
|
- * @param string $name sub-select 的别名
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- public function joinSubSelect($join, $spec, $name, $cond = null)
|
|
|
- {
|
|
|
- if (! $this->from) {
|
|
|
- throw new \Exception('Cannot join() without from() first.');
|
|
|
- }
|
|
|
-
|
|
|
- $join = strtoupper(ltrim("$join JOIN"));
|
|
|
- $name = $this->quoteName($name);
|
|
|
- $cond = $this->fixJoinCondition($cond);
|
|
|
- $this->from[$this->from_key][] = rtrim("$join ($spec) AS $name $cond");
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * group by 语句
|
|
|
- * @param array $cols
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function groupBy(array $cols)
|
|
|
- {
|
|
|
- foreach ($cols as $col) {
|
|
|
- $this->group_by[] = $this->quoteNamesIn($col);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * having 语句
|
|
|
- * @param string $cond
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function having($cond)
|
|
|
- {
|
|
|
- $this->addClauseCondWithBind('having', 'AND', func_get_args());
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * or having 语句
|
|
|
- * @param string $cond The HAVING condition.
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function orHaving($cond)
|
|
|
- {
|
|
|
- $this->addClauseCondWithBind('having', 'OR', func_get_args());
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置每页的记录数量
|
|
|
- * @param int $page
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function page($page)
|
|
|
- {
|
|
|
- $this->limit = 0;
|
|
|
- $this->offset = 0;
|
|
|
-
|
|
|
- $page = (int) $page;
|
|
|
- if ($page > 0) {
|
|
|
- $this->limit = $this->paging;
|
|
|
- $this->offset = $this->paging * ($page - 1);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * union
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function union()
|
|
|
- {
|
|
|
- $this->union[] = $this->build() . ' UNION';
|
|
|
- $this->reset();
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * unionAll
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function unionAll()
|
|
|
- {
|
|
|
- $this->union[] = $this->build() . ' UNION ALL';
|
|
|
- $this->reset();
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 重置
|
|
|
- * @return null
|
|
|
- */
|
|
|
- protected function reset()
|
|
|
- {
|
|
|
- $this->resetFlags();
|
|
|
- $this->cols = array();
|
|
|
- $this->from = array();
|
|
|
- $this->from_key = -1;
|
|
|
- $this->where = array();
|
|
|
- $this->group_by = array();
|
|
|
- $this->having = array();
|
|
|
- $this->order_by = array();
|
|
|
- $this->limit = 0;
|
|
|
- $this->offset = 0;
|
|
|
- $this->for_update = false;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 清除所有数据
|
|
|
- * @return void
|
|
|
- */
|
|
|
- protected function resetAll()
|
|
|
- {
|
|
|
- $this->union = array();
|
|
|
- $this->for_update = false;
|
|
|
- $this->cols = array();
|
|
|
- $this->from = array();
|
|
|
- $this->from_key = -1;
|
|
|
- $this->group_by = array();
|
|
|
- $this->having = array();
|
|
|
- $this->bind_having = array();
|
|
|
- $this->paging = 10;
|
|
|
- $this->bind_values = array();
|
|
|
- $this->where = array();
|
|
|
- $this->bind_where = array();
|
|
|
- $this->order_by = array();
|
|
|
- $this->limit = 0;
|
|
|
- $this->offset = 0;
|
|
|
- $this->flags = array();
|
|
|
- $this->table = '';
|
|
|
- $this->last_insert_id_names = array();
|
|
|
- $this->col_values = array();
|
|
|
- $this->returning = array();
|
|
|
- $this->parameters = array();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 创建 SELECT SQL
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildSELECT()
|
|
|
- {
|
|
|
- return 'SELECT'
|
|
|
- . $this->buildFlags()
|
|
|
- . $this->buildCols()
|
|
|
- . $this->buildFrom()
|
|
|
- . $this->buildWhere()
|
|
|
- . $this->buildGroupBy()
|
|
|
- . $this->buildHaving()
|
|
|
- . $this->buildOrderBy()
|
|
|
- . $this->buildLimit()
|
|
|
- . $this->buildForUpdate();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 创建DELETE SQL
|
|
|
- */
|
|
|
- protected function buildDELETE()
|
|
|
- {
|
|
|
- return 'DELETE'
|
|
|
- . $this->buildFlags()
|
|
|
- . $this->buildFrom()
|
|
|
- . $this->buildWhere()
|
|
|
- . $this->buildOrderBy()
|
|
|
- . $this->buildLimit()
|
|
|
- . $this->buildReturning();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成SELECT列语句
|
|
|
- * @return string
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- protected function buildCols()
|
|
|
- {
|
|
|
- if (! $this->cols) {
|
|
|
- throw new \Exception('No columns in the SELECT.');
|
|
|
- }
|
|
|
-
|
|
|
- $cols = array();
|
|
|
- foreach ($this->cols as $key => $val) {
|
|
|
- if (is_int($key)) {
|
|
|
- $cols[] = $this->quoteNamesIn($val);
|
|
|
- } else {
|
|
|
- $cols[] = $this->quoteNamesIn("$val AS $key");
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return $this->indentCsv($cols);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 FROM 语句.
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildFrom()
|
|
|
- {
|
|
|
- if (! $this->from) {
|
|
|
- return '';
|
|
|
- }
|
|
|
-
|
|
|
- $refs = array();
|
|
|
- foreach ($this->from as $from) {
|
|
|
- $refs[] = implode(' ', $from);
|
|
|
- }
|
|
|
- return ' FROM' . $this->indentCsv($refs);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 GROUP BY 语句.
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildGroupBy()
|
|
|
- {
|
|
|
- if (! $this->group_by) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' GROUP BY' . $this->indentCsv($this->group_by);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 HAVING 语句.
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildHaving()
|
|
|
- {
|
|
|
- if (! $this->having) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' HAVING' . $this->indent($this->having);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 FOR UPDATE 语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildForUpdate()
|
|
|
- {
|
|
|
- if (! $this->for_update) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' FOR UPDATE';
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * where
|
|
|
- * @param string/array $cond
|
|
|
- * @param mixed ...$bind
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function where($cond)
|
|
|
- {
|
|
|
- if(is_array($cond))
|
|
|
- {
|
|
|
- foreach($cond as $key=>$val)
|
|
|
- {
|
|
|
- if(is_string($key))
|
|
|
- {
|
|
|
- $this->addWhere('AND', array($key, $val));
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->addWhere('AND', array($val));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->addWhere('AND', func_get_args());
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * or where
|
|
|
- * @param string/array $cond
|
|
|
- * @param mixed ...$bind
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function orWhere($cond)
|
|
|
- {
|
|
|
- if(is_array($cond))
|
|
|
- {
|
|
|
- foreach($cond as $key=>$val)
|
|
|
- {
|
|
|
- if(is_string($key))
|
|
|
- {
|
|
|
- $this->addWhere('OR', array($key, $val));
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->addWhere('OR', array($val));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->addWhere('OR', func_get_args());
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * limit
|
|
|
- * @param int $limit
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function limit($limit)
|
|
|
- {
|
|
|
- $this->limit = (int) $limit;
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * limit offset
|
|
|
- * @param int $offset
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function offset($offset)
|
|
|
- {
|
|
|
- $this->offset = (int) $offset;
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * orderby.
|
|
|
- * @param array $cols
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function orderBy(array $cols)
|
|
|
- {
|
|
|
- return $this->addOrderBy($cols);
|
|
|
- }
|
|
|
- /**
|
|
|
- * order by ASC OR DESC
|
|
|
- * @param array $cols
|
|
|
- * @param bool $order_asc
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function orderByASC(array $cols, $order_asc = true)
|
|
|
- {
|
|
|
- $this->order_asc = $order_asc;
|
|
|
- return $this->addOrderBy($cols);
|
|
|
- }
|
|
|
-
|
|
|
- // -------------abstractquery----------
|
|
|
- /**
|
|
|
- * 返回逗号分隔的字符串
|
|
|
- * @param array $list
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function indentCsv(array $list)
|
|
|
- {
|
|
|
- return ' ' . implode(',', $list);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回空格分隔的字符串
|
|
|
- * @param array $list
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function indent(array $list)
|
|
|
- {
|
|
|
- return ' ' . implode(' ', $list);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 批量为占位符绑定值
|
|
|
- * @param array $bind_values
|
|
|
- * @return self
|
|
|
- *
|
|
|
- */
|
|
|
- public function bindValues(array $bind_values)
|
|
|
- {
|
|
|
- foreach ($bind_values as $key => $val) {
|
|
|
- $this->bindValue($key, $val);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 单个为占位符绑定值
|
|
|
- * @param string $name
|
|
|
- * @param mixed $value
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function bindValue($name, $value)
|
|
|
- {
|
|
|
- $this->bind_values[$name] = $value;
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成flag
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildFlags()
|
|
|
- {
|
|
|
- if (! $this->flags) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' ' . implode(' ', array_keys($this->flags));
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置 flag.
|
|
|
- * @param string $flag
|
|
|
- * @param bool $enable
|
|
|
- * @return null
|
|
|
- */
|
|
|
- protected function setFlag($flag, $enable = true)
|
|
|
- {
|
|
|
- if ($enable) {
|
|
|
- $this->flags[$flag] = true;
|
|
|
- } else {
|
|
|
- unset($this->flags[$flag]);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 重置flag
|
|
|
- * @return null
|
|
|
- */
|
|
|
- protected function resetFlags()
|
|
|
- {
|
|
|
- $this->flags = array();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- *
|
|
|
- * 添加where语句
|
|
|
- * @param string $andor 'AND' or 'OR
|
|
|
- * @param array $conditions
|
|
|
- * @return self
|
|
|
- *
|
|
|
- */
|
|
|
- protected function addWhere($andor, $conditions)
|
|
|
- {
|
|
|
- $this->addClauseCondWithBind('where', $andor, $conditions);
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 添加条件和绑定值
|
|
|
- * @param string $clause where 、having等
|
|
|
- * @param string $andor AND、OR等
|
|
|
- * @param array $conditions
|
|
|
- * @return null
|
|
|
- */
|
|
|
- protected function addClauseCondWithBind($clause, $andor, $conditions)
|
|
|
- {
|
|
|
- $cond = array_shift($conditions);
|
|
|
- $cond = $this->quoteNamesIn($cond);
|
|
|
-
|
|
|
- $bind =& $this->{"bind_{$clause}"};
|
|
|
- foreach ($conditions as $value) {
|
|
|
- $bind[] = $value;
|
|
|
- }
|
|
|
-
|
|
|
- $clause =& $this->$clause;
|
|
|
- if ($clause) {
|
|
|
- $clause[] = "$andor $cond";
|
|
|
- } else {
|
|
|
- $clause[] = $cond;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成where语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildWhere()
|
|
|
- {
|
|
|
- if (! $this->where) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' WHERE' . $this->indent($this->where);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 增加order by
|
|
|
- * @param array $spec The columns and direction to order by.
|
|
|
- * @return self
|
|
|
- */
|
|
|
- protected function addOrderBy(array $spec)
|
|
|
- {
|
|
|
- foreach ($spec as $col) {
|
|
|
- $this->order_by[] = $this->quoteNamesIn($col);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成order by 语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildOrderBy()
|
|
|
- {
|
|
|
- if (! $this->order_by) {
|
|
|
- return '';
|
|
|
- }
|
|
|
-
|
|
|
- if ($this->order_asc)
|
|
|
- {
|
|
|
- return ' ORDER BY' . $this->indentCsv($this->order_by) . ' ASC';
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- return ' ORDER BY' . $this->indentCsv($this->order_by) . ' DESC';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成limit语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildLimit()
|
|
|
- {
|
|
|
- $has_limit = $this->type == 'DELETE' || $this->type == 'UPDATE';
|
|
|
- $has_offset = $this->type == 'SELECT';
|
|
|
-
|
|
|
- if ($has_offset && $this->limit) {
|
|
|
- $clause = " LIMIT {$this->limit}";
|
|
|
- if ($this->offset) {
|
|
|
- $clause .= " OFFSET {$this->offset}";
|
|
|
- }
|
|
|
- return $clause;
|
|
|
- } elseif ($has_limit && $this->limit) {
|
|
|
- return " LIMIT {$this->limit}";
|
|
|
- }
|
|
|
- return '';
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Quotes
|
|
|
- * @param string $spec
|
|
|
- * @return string|array
|
|
|
- */
|
|
|
- public function quoteName($spec)
|
|
|
- {
|
|
|
- $spec = trim($spec);
|
|
|
- $seps = array(' AS ', ' ', '.');
|
|
|
- foreach ($seps as $sep) {
|
|
|
- $pos = strripos($spec, $sep);
|
|
|
- if ($pos) {
|
|
|
- return $this->quoteNameWithSeparator($spec, $sep, $pos);
|
|
|
- }
|
|
|
- }
|
|
|
- return $this->replaceName($spec);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 指定分隔符的Quotes
|
|
|
- * @param string $spec
|
|
|
- * @param string $sep
|
|
|
- * @param string $pos
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function quoteNameWithSeparator($spec, $sep, $pos)
|
|
|
- {
|
|
|
- $len = strlen($sep);
|
|
|
- $part1 = $this->quoteName(substr($spec, 0, $pos));
|
|
|
- $part2 = $this->replaceName(substr($spec, $pos + $len));
|
|
|
- return "{$part1}{$sep}{$part2}";
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Quotes "table.col" 格式的字符串
|
|
|
- * @param string $text
|
|
|
- * @return string|array
|
|
|
- */
|
|
|
- public function quoteNamesIn($text)
|
|
|
- {
|
|
|
- $list = $this->getListForQuoteNamesIn($text);
|
|
|
- $last = count($list) - 1;
|
|
|
- $text = null;
|
|
|
- foreach ($list as $key => $val) {
|
|
|
- if (($key+1) % 3) {
|
|
|
- $text .= $this->quoteNamesInLoop($val, $key == $last);
|
|
|
- }
|
|
|
- }
|
|
|
- return $text;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回quote元素列表
|
|
|
- * @param string $text
|
|
|
- * @return array
|
|
|
- */
|
|
|
- protected function getListForQuoteNamesIn($text)
|
|
|
- {
|
|
|
- $apos = "'";
|
|
|
- $quot = '"';
|
|
|
- return preg_split(
|
|
|
- "/(($apos+|$quot+|\\$apos+|\\$quot+).*?\\2)/",
|
|
|
- $text,
|
|
|
- -1,
|
|
|
- PREG_SPLIT_DELIM_CAPTURE
|
|
|
- );
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 循环quote
|
|
|
- * @param string $val
|
|
|
- * @param bool $is_last
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function quoteNamesInLoop($val, $is_last)
|
|
|
- {
|
|
|
- if ($is_last) {
|
|
|
- return $this->replaceNamesAndAliasIn($val);
|
|
|
- }
|
|
|
- return $this->replaceNamesIn($val);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- *
|
|
|
- * 替换成别名
|
|
|
- * @param string $val
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function replaceNamesAndAliasIn($val)
|
|
|
- {
|
|
|
- $quoted = $this->replaceNamesIn($val);
|
|
|
- $pos = strripos($quoted, ' AS ');
|
|
|
- if ($pos) {
|
|
|
- $alias = $this->replaceName(substr($quoted, $pos + 4));
|
|
|
- $quoted = substr($quoted, 0, $pos) . " AS $alias";
|
|
|
- }
|
|
|
- return $quoted;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Quotes name
|
|
|
- * @param string $name
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function replaceName($name)
|
|
|
- {
|
|
|
- $name = trim($name);
|
|
|
- if ($name == '*') {
|
|
|
- return $name;
|
|
|
- }
|
|
|
- return '`'. $name.'`';
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Quotes
|
|
|
- * @param string $text
|
|
|
- * @return string|array
|
|
|
- */
|
|
|
- protected function replaceNamesIn($text)
|
|
|
- {
|
|
|
- $is_string_literal = strpos($text, "'") !== false
|
|
|
- || strpos($text, '"') !== false;
|
|
|
- if ($is_string_literal) {
|
|
|
- return $text;
|
|
|
- }
|
|
|
-
|
|
|
- $word = "[a-z_][a-z0-9_]+";
|
|
|
-
|
|
|
- $find = "/(\\b)($word)\\.($word)(\\b)/i";
|
|
|
-
|
|
|
- $repl = '$1`$2`.`$3`$4';
|
|
|
-
|
|
|
- $text = preg_replace($find, $repl, $text);
|
|
|
-
|
|
|
- return $text;
|
|
|
- }
|
|
|
-
|
|
|
- // ---------- insert --------------
|
|
|
- /**
|
|
|
- * 设置 `table.column` 与 last-insert-id 的映射
|
|
|
- * @param array $insert_id_names
|
|
|
- */
|
|
|
- public function setLastInsertIdNames(array $last_insert_id_names)
|
|
|
- {
|
|
|
- $this->last_insert_id_names = $last_insert_id_names;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * insert into.
|
|
|
- * @param string $into
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function into($table)
|
|
|
- {
|
|
|
- $this->table = $this->quoteName($table);
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成INSERT 语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildINSERT()
|
|
|
- {
|
|
|
- return 'INSERT'
|
|
|
- . $this->buildFlags()
|
|
|
- . $this->buildInto()
|
|
|
- . $this->buildValuesForInsert()
|
|
|
- . $this->buildReturning();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 INTO 语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildInto()
|
|
|
- {
|
|
|
- return " INTO " . $this->table;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * PDO::lastInsertId()
|
|
|
- * @param string $col
|
|
|
- * @return mixed
|
|
|
- */
|
|
|
- public function getLastInsertIdName($col)
|
|
|
- {
|
|
|
- $key = str_replace('`', '', $this->table) . '.' . $col;
|
|
|
- if (isset($this->last_insert_id_names[$key])) {
|
|
|
- return $this->last_insert_id_names[$key];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- *
|
|
|
- * 设置一列，如果有第二各参数，则把第二个参数绑定在占位符上
|
|
|
- * @param string $col
|
|
|
- * @param mixed $val
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function col($col)
|
|
|
- {
|
|
|
- return call_user_func_array(array($this, 'addCol'), func_get_args());
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置多列
|
|
|
- * @param array $cols
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function cols(array $cols)
|
|
|
- {
|
|
|
- if($this->type == 'SELECT')
|
|
|
- {
|
|
|
- foreach ($cols as $key => $val)
|
|
|
- {
|
|
|
- $this->addColSELECT($key, $val);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
- return $this->addCols($cols);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 直接设置列的值
|
|
|
- * @param string $col
|
|
|
- * @param string $value
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function set($col, $value)
|
|
|
- {
|
|
|
- return $this->setCol($col, $value);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 为INSERT语句绑定值
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildValuesForInsert()
|
|
|
- {
|
|
|
- return ' ('.$this->indentCsv(array_keys($this->col_values)).') VALUES (' . $this->indentCsv(array_values($this->col_values)) . ')';
|
|
|
- }
|
|
|
-
|
|
|
- // ------update-------
|
|
|
- /**
|
|
|
- * 更新哪个表
|
|
|
- * @param string $table
|
|
|
- * @return self
|
|
|
- */
|
|
|
- public function table($table)
|
|
|
- {
|
|
|
- $this->table = $this->quoteName($table);
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成完整SQL语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function build()
|
|
|
- {
|
|
|
- switch($this->type)
|
|
|
- {
|
|
|
- case 'DELETE':
|
|
|
- return $this->buildDELETE();
|
|
|
- case 'INSERT':
|
|
|
- return $this->buildINSERT();
|
|
|
- case 'UPDATE':
|
|
|
- return $this->buildUPDATE();
|
|
|
- case 'SELECT':
|
|
|
- return $this->buildSELECT();
|
|
|
- }
|
|
|
- throw new \Exception("type empty");
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成更新的SQL语句
|
|
|
- */
|
|
|
- protected function buildUPDATE()
|
|
|
- {
|
|
|
- return 'UPDATE'
|
|
|
- . $this->buildFlags()
|
|
|
- . $this->buildTable()
|
|
|
- . $this->buildValuesForUpdate()
|
|
|
- . $this->buildWhere()
|
|
|
- . $this->buildOrderBy()
|
|
|
- . $this->buildLimit()
|
|
|
- . $this->buildReturning();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 哪个表
|
|
|
- * @return null
|
|
|
- */
|
|
|
- protected function buildTable()
|
|
|
- {
|
|
|
- return " {$this->table}";
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 为更新语句绑定值
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildValuesForUpdate()
|
|
|
- {
|
|
|
- $values = array();
|
|
|
- foreach ($this->col_values as $col => $value) {
|
|
|
- $values[] = "{$col} = {$value}";
|
|
|
- }
|
|
|
- return ' SET' . $this->indentCsv($values);
|
|
|
- }
|
|
|
-
|
|
|
- // ----------Dml---------------
|
|
|
- /**
|
|
|
- * 获取绑定的值
|
|
|
- * @return array
|
|
|
- */
|
|
|
- public function getBindValuesCOMMON()
|
|
|
- {
|
|
|
- $bind_values = $this->bind_values;
|
|
|
- $i = 1;
|
|
|
- foreach ($this->bind_where as $val) {
|
|
|
- $bind_values[$i] = $val;
|
|
|
- $i ++;
|
|
|
- }
|
|
|
- return $bind_values;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置列
|
|
|
- * @param string $col
|
|
|
- * @param mixed $val
|
|
|
- * @return self
|
|
|
- */
|
|
|
- protected function addCol($col)
|
|
|
- {
|
|
|
- $key = $this->quoteName($col);
|
|
|
- $this->col_values[$key] = ":$col";
|
|
|
- $args = func_get_args();
|
|
|
- if (count($args) > 1) {
|
|
|
- $this->bindValue($col, $args[1]);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置多个列
|
|
|
- * @param array $cols
|
|
|
- * @return self
|
|
|
- */
|
|
|
- protected function addCols(array $cols)
|
|
|
- {
|
|
|
- foreach ($cols as $key => $val) {
|
|
|
- if (is_int($key)) {
|
|
|
- $this->addCol($val);
|
|
|
- } else {
|
|
|
- $this->addCol($key, $val);
|
|
|
- }
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 设置单列的值
|
|
|
- * @param string $col .
|
|
|
- * @param string $value
|
|
|
- * @return self
|
|
|
- */
|
|
|
- protected function setCol($col, $value)
|
|
|
- {
|
|
|
- if ($value === null) {
|
|
|
- $value = 'NULL';
|
|
|
- }
|
|
|
-
|
|
|
- $key = $this->quoteName($col);
|
|
|
- $value = $this->quoteNamesIn($value);
|
|
|
- $this->col_values[$key] = $value;
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 增加返回的列
|
|
|
- * @param array $cols
|
|
|
- * @return self
|
|
|
- *
|
|
|
- */
|
|
|
- protected function addReturning(array $cols)
|
|
|
- {
|
|
|
- foreach ($cols as $col) {
|
|
|
- $this->returning[] = $this->quoteNamesIn($col);
|
|
|
- }
|
|
|
- return $this;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 生成 RETURNING 语句
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function buildReturning()
|
|
|
- {
|
|
|
- if (! $this->returning) {
|
|
|
- return '';
|
|
|
- }
|
|
|
- return ' RETURNING' . $this->indentCsv($this->returning);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 构造函数
|
|
|
- */
|
|
|
- public function __construct($host, $port, $user, $password, $db_name, $charset = 'utf8')
|
|
|
- {
|
|
|
- $this->settings = array(
|
|
|
- 'host' => $host,
|
|
|
- 'port' => $port,
|
|
|
- 'user' => $user,
|
|
|
- 'password' => $password,
|
|
|
- 'dbname' => $db_name,
|
|
|
- 'charset' => $charset,
|
|
|
- );
|
|
|
- $this->connect();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 创建pdo实例
|
|
|
- */
|
|
|
- protected function connect()
|
|
|
- {
|
|
|
- $dsn = 'mysql:dbname='.$this->settings["dbname"].';host='.$this->settings["host"].';port='.$this->settings['port'];
|
|
|
- $this->pdo = new \PDO($dsn, $this->settings["user"], $this->settings["password"], array(\PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES ' . (!empty($this->settings['charset']) ? $this->settings['charset'] : 'utf8')));
|
|
|
- $this->pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
|
|
|
- $this->pdo->setAttribute(\PDO::ATTR_EMULATE_PREPARES, false);
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * 关闭连接
|
|
|
- */
|
|
|
- public function closeConnection()
|
|
|
- {
|
|
|
- $this->pdo = null;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 执行
|
|
|
- * @param string $query
|
|
|
- * @param string $parameters
|
|
|
- */
|
|
|
- protected function execute($query,$parameters = "")
|
|
|
- {
|
|
|
- try {
|
|
|
- $this->sQuery = $this->pdo->prepare($query);
|
|
|
- $this->bindMore($parameters);
|
|
|
- if(!empty($this->parameters)) {
|
|
|
- foreach($this->parameters as $param)
|
|
|
- {
|
|
|
- $parameters = explode("\x7F",$param);
|
|
|
- $this->sQuery->bindParam($parameters[0],$parameters[1]);
|
|
|
- }
|
|
|
- }
|
|
|
- $this->succes = $this->sQuery->execute();
|
|
|
- }
|
|
|
- catch(\PDOException $e)
|
|
|
- {
|
|
|
- // 服务端断开时重连一次
|
|
|
- if($e->errorInfo[1] == 2006 || $e->errorInfo[1] == 2013)
|
|
|
- {
|
|
|
- $this->closeConnection();
|
|
|
- $this->connect();
|
|
|
-
|
|
|
- try {
|
|
|
- $this->sQuery = $this->pdo->prepare($query);
|
|
|
- $this->bindMore($parameters);
|
|
|
- if(!empty($this->parameters)) {
|
|
|
- foreach($this->parameters as $param)
|
|
|
- {
|
|
|
- $parameters = explode("\x7F",$param);
|
|
|
- $this->sQuery->bindParam($parameters[0],$parameters[1]);
|
|
|
- }
|
|
|
- }
|
|
|
- $this->succes = $this->sQuery->execute();
|
|
|
- }
|
|
|
- catch(\PDOException $ex)
|
|
|
- {
|
|
|
- $this->rollBackTrans();
|
|
|
- throw $ex;
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->rollBackTrans();
|
|
|
- throw $e;
|
|
|
- }
|
|
|
- }
|
|
|
- $this->parameters = array();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 绑定
|
|
|
- * @param string $para
|
|
|
- * @param string $value
|
|
|
- */
|
|
|
- public function bind($para, $value)
|
|
|
- {
|
|
|
- if(is_string($para))
|
|
|
- {
|
|
|
- $this->parameters[sizeof($this->parameters)] = ":" . $para . "\x7F" . $value;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- $this->parameters[sizeof($this->parameters)] = $para . "\x7F" . $value;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 绑定多个
|
|
|
- * @param array $parray
|
|
|
- */
|
|
|
- public function bindMore($parray)
|
|
|
- {
|
|
|
- if(empty($this->parameters) && is_array($parray)) {
|
|
|
- $columns = array_keys($parray);
|
|
|
- foreach($columns as $i => &$column) {
|
|
|
- $this->bind($column, $parray[$column]);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 执行SQL
|
|
|
- * @param string $query
|
|
|
- * @param array $params
|
|
|
- * @param int $fetchmode
|
|
|
- * @return mixed
|
|
|
- */
|
|
|
- public function query($query = '',$params = null, $fetchmode = \PDO::FETCH_ASSOC)
|
|
|
- {
|
|
|
- $query = trim($query);
|
|
|
- if(empty($query))
|
|
|
- {
|
|
|
- $query = $this->build();
|
|
|
- if(!$params)
|
|
|
- {
|
|
|
- $params = $this->getBindValues();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->resetAll();
|
|
|
- $this->lastSql = $query;
|
|
|
-
|
|
|
- $this->execute($query,$params);
|
|
|
-
|
|
|
- $rawStatement = explode(" ", $query);
|
|
|
-
|
|
|
- $statement = strtolower(trim($rawStatement[0]));
|
|
|
- if ($statement === 'select' || $statement === 'show') {
|
|
|
- return $this->sQuery->fetchAll($fetchmode);
|
|
|
- }
|
|
|
- elseif ( $statement === 'update' || $statement === 'delete' ) {
|
|
|
- return $this->sQuery->rowCount();
|
|
|
- }
|
|
|
- elseif( $statement === 'insert' ){
|
|
|
- if( $this->sQuery->rowCount() > 0 ){
|
|
|
- return $this->lastInsertId();
|
|
|
- }
|
|
|
- }
|
|
|
- else {
|
|
|
- return NULL;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回一列
|
|
|
- * @param string $query
|
|
|
- * @param array $params
|
|
|
- * @return array
|
|
|
- */
|
|
|
- public function column($query = '',$params = null)
|
|
|
- {
|
|
|
- $query = trim($query);
|
|
|
- if(empty($query))
|
|
|
- {
|
|
|
- $query = $this->build();
|
|
|
- if(!$params)
|
|
|
- {
|
|
|
- $params = $this->getBindValues();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->resetAll();
|
|
|
- $this->lastSql = $query;
|
|
|
-
|
|
|
- $this->execute($query,$params);
|
|
|
- $columns = $this->sQuery->fetchAll(\PDO::FETCH_NUM);
|
|
|
- $column = null;
|
|
|
- foreach($columns as $cells) {
|
|
|
- $column[] = $cells[0];
|
|
|
- }
|
|
|
- return $column;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回一行
|
|
|
- * @param string $query
|
|
|
- * @param array $params
|
|
|
- * @param int $fetchmode
|
|
|
- * @return array
|
|
|
- */
|
|
|
- public function row($query = '',$params = null, $fetchmode = \PDO::FETCH_ASSOC)
|
|
|
- {
|
|
|
- $query = trim($query);
|
|
|
- if(empty($query))
|
|
|
- {
|
|
|
- $query = $this->build();
|
|
|
- if(!$params)
|
|
|
- {
|
|
|
- $params = $this->getBindValues();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->resetAll();
|
|
|
- $this->lastSql = $query;
|
|
|
-
|
|
|
- $this->execute($query,$params);
|
|
|
- return $this->sQuery->fetch($fetchmode);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回单个值
|
|
|
- * @param string $query
|
|
|
- * @param array $params
|
|
|
- * @return string
|
|
|
- */
|
|
|
- public function single($query = '',$params = null)
|
|
|
- {
|
|
|
- $query = trim($query);
|
|
|
- if(empty($query))
|
|
|
- {
|
|
|
- $query = $this->build();
|
|
|
- if(!$params)
|
|
|
- {
|
|
|
- $params = $this->getBindValues();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->resetAll();
|
|
|
- $this->lastSql = $query;
|
|
|
-
|
|
|
- $this->execute($query,$params);
|
|
|
- return $this->sQuery->fetchColumn();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回lastInsertId
|
|
|
- * @return string
|
|
|
- */
|
|
|
- public function lastInsertId() {
|
|
|
- return $this->pdo->lastInsertId();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 返回最后一条直行的sql
|
|
|
- * @return string
|
|
|
- */
|
|
|
- public function lastSQL()
|
|
|
- {
|
|
|
- return $this->lastSql;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 开始事务
|
|
|
- */
|
|
|
-
|
|
|
- public function beginTrans()
|
|
|
- {
|
|
|
- $this->pdo->beginTransaction();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 提交事务
|
|
|
- */
|
|
|
-
|
|
|
- public function commitTrans()
|
|
|
- {
|
|
|
- $this->pdo->commit();
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 事务回滚
|
|
|
- */
|
|
|
-
|
|
|
- public function rollBackTrans()
|
|
|
- {
|
|
|
- if ($this->pdo->inTransaction())
|
|
|
- {
|
|
|
- $this->pdo->rollBack();
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
walkor