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Signed-off-by: j502647092 <jtb1@163.com>
2025-11-25 21:36:08 +00:00 · 2015-11-01 22:25:03 +08:00
commit 2003fda7cb
409 changed files with 77938 additions and 0 deletions
--- a/ThinkPHP/Library/Think/Db/Driver/Firebird.class.php
+++ b/ThinkPHP/Library/Think/Db/Driver/Firebird.class.php
@@ -0,0 +1,151 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+namespace Think\Db\Driver;
+use Think\Db\Driver;
+
+/**
+ * Firebird数据库驱动 
+ */
+class Firebird extends Driver{
+    protected $selectSql  =     'SELECT %LIMIT% %DISTINCT% %FIELD% FROM %TABLE%%JOIN%%WHERE%%GROUP%%HAVING%%ORDER%';
+
+    /**
+     * 解析pdo连接的dsn信息
+     * @access public
+     * @param array $config 连接信息
+     * @return string
+     */
+    protected function parseDsn($config){
+       $dsn  =   'firebird:dbname='.$config['hostname'].'/'.($config['hostport']?:3050).':'.$config['database'];
+       return $dsn;
+    }
+    
+    /**
+     * 执行语句
+     * @access public
+     * @param string $str  sql指令
+     * @param boolean $fetchSql  不执行只是获取SQL
+     * @return mixed
+     */
+    public function execute($str,$fetchSql=false) {
+        $this->initConnect(true);
+        if ( !$this->_linkID ) return false;
+        $this->queryStr = $str;
+        if(!empty($this->bind)){
+            $that   =   $this;
+            $this->queryStr =   strtr($this->queryStr,array_map(function($val) use($that){ return '\''.$that->escapeString($val).'\''; },$this->bind));
+        }
+        if($fetchSql){
+            return $this->queryStr;
+        }
+        //释放前次的查询结果
+        if ( !empty($this->PDOStatement) ) $this->free();
+        $this->executeTimes++;
+        N('db_write',1); // 兼容代码
+        // 记录开始执行时间
+        $this->debug(true);
+        $this->PDOStatement =   $this->_linkID->prepare($str);
+        if(false === $this->PDOStatement) {
+            E($this->error());
+        }
+        foreach ($this->bind as $key => $val) {
+            if(is_array($val)){
+                $this->PDOStatement->bindValue($key, $val[0], $val[1]);
+            }else{
+                $this->PDOStatement->bindValue($key, $val);
+            }
+        }
+        $this->bind =   array();
+        $result =   $this->PDOStatement->execute();
+        $this->debug(false);
+        if ( false === $result) {
+            $this->error();
+            return false;
+        } else {
+            $this->numRows = $this->PDOStatement->rowCount();
+            return $this->numRows;
+        }
+    }
+    
+    /**
+     * 取得数据表的字段信息
+     * @access public
+     */
+    public function getFields($tableName) {
+        $this->initConnect(true);
+        list($tableName) = explode(' ', $tableName);
+        $sql='SELECT RF.RDB$FIELD_NAME AS FIELD,RF.RDB$DEFAULT_VALUE AS DEFAULT1,RF.RDB$NULL_FLAG AS NULL1,TRIM(T.RDB$TYPE_NAME) || \'(\' || F.RDB$FIELD_LENGTH || \')\' as TYPE FROM RDB$RELATION_FIELDS RF LEFT JOIN RDB$FIELDS F ON (F.RDB$FIELD_NAME = RF.RDB$FIELD_SOURCE) LEFT JOIN RDB$TYPES T ON (T.RDB$TYPE = F.RDB$FIELD_TYPE) WHERE RDB$RELATION_NAME=UPPER(\''.$tableName.'\') AND T.RDB$FIELD_NAME = \'RDB$FIELD_TYPE\' ORDER By RDB$FIELD_POSITION';
+        $result = $this->query($sql);
+        $info   =   array();
+        if($result){
+            foreach($result as $key => $val){
+                $info[trim($val['field'])] = array(
+                    'name'    => trim($val['field']),
+                    'type'    => $val['type'],
+                    'notnull' => (bool) ($val['null1'] ==1), // 1表示不为Null
+                    'default' => $val['default1'],
+                    'primary' => false,
+                    'autoinc' => false,
+                );
+            }
+        }
+        //获取主键
+        $sql='select b.rdb$field_name as field_name from rdb$relation_constraints a join rdb$index_segments b on a.rdb$index_name=b.rdb$index_name where a.rdb$constraint_type=\'PRIMARY KEY\' and a.rdb$relation_name=UPPER(\''.$tableName.'\')';
+        $rs_temp = $this->query($sql);
+        foreach($rs_temp as $row) {
+            $info[trim($row['field_name'])]['primary']= true;
+        }
+        return $info;
+    }
+    
+    /**
+     * 取得数据库的表信息
+     * @access public
+     */
+    public function getTables($dbName='') {
+        $sql='SELECT DISTINCT RDB$RELATION_NAME FROM RDB$RELATION_FIELDS WHERE RDB$SYSTEM_FLAG=0';
+        $result   =  $this->query($sql);
+        $info   =   array();
+        foreach ($result as $key => $val) {
+            $info[$key] = trim(current($val));
+        }
+        return $info;
+    }
+    
+    /**
+     * SQL指令安全过滤
+     * @access public
+     * @param string $str  SQL指令
+     * @return string
+     */
+    public function escapeString($str) {
+        return str_replace("'", "''", $str);
+    }
+
+    /**
+     * limit
+     * @access public
+     * @param $limit limit表达式
+     * @return string
+     */
+    public function parseLimit($limit) {
+        $limitStr    = '';
+        if(!empty($limit)) {
+            $limit  =   explode(',',$limit);
+            if(count($limit)>1) {
+                 $limitStr = ' FIRST '.$limit[1].' SKIP '.$limit[0].' ';
+            }else{
+              $limitStr = ' FIRST '.$limit[0].' ';
+            }
+        }
+        return $limitStr;
+    }
+}