【php开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了php开源代码-adodb-mysql.inc.php的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
<?php
/*
V3.60 16 June 2003 (c) 2000-2003 John Lim (jlim@natsoft.com.my). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence.
Set tabs to 8.
MySQL code that does not support transactions. Use mysqlt if you need transactions.
Requires mysql client. Works on Windows and Unix.
28 Feb 2001: MetaColumns bug fix - suggested by Freek Dijkstra (phpeverywhere@macfreek.com)
*/
if (! defined("_ADODB_MYSQL_LAYER")) {
define("_ADODB_MYSQL_LAYER", 1 );
class ADODB_mysql extends ADOConnection {
var $databaseType = 'mysql';
var $dataProvider = 'mysql';
var $hasInsertID = true;
var $hasAffectedRows = true;
var $metaTablesSQL = "SHOW TABLES";
var $metaColumnsSQL = "SHOW COLUMNS FROM %s";
var $fmtTimeStamp = "'Y-m-d H:i:s'";
var $hasLimit = true;
var $hasMoveFirst = true;
var $hasGenID = true;
var $upperCase = 'upper';
var $isoDates = true; // accepts dates in ISO format
var $sysDate = 'CURDATE()';
var $sysTimeStamp = 'NOW()';
var $hasTransactions = false;
var $forceNewConnect = false;
var $poorAffectedRows = true;
var $clientFlags = 0;
var $dbxDriver = 1;
function ADODB_mysql()
{
}
function ServerInfo()
{
$arr['description'] = $this->GetOne("select version()");
$arr['version'] = ADOConnection::_findvers($arr['description']);
return $arr;
}
// if magic quotes disabled, use mysql_real_escape_string()
function qstr($s,$magic_quotes=false)
{
if (!$magic_quotes) {
if (ADODB_PHPVER >= 0x4300) {
if (is_resource($this->_connectionID))
return "'".mysql_real_escape_string($s,$this->_connectionID)."'";
}
if ($this->replaceQuote[0] == '\\'){
$s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s);
}
return "'".str_replace("'",$this->replaceQuote,$s)."'";
}
// undo magic quotes for "
$s = str_replace('\\"','"',$s);
return "'$s'";
}
function _insertid()
{
return mysql_insert_id($this->_connectionID);
}
function _affectedrows()
{
return mysql_affected_rows($this->_connectionID);
}
// See http://www.mysql.com/doc/M/i/Miscellaneous_functions.html
// Reference on Last_Insert_ID on the recommended way to simulate sequences
var $_genIDSQL = "update %s set id=LAST_INSERT_ID(id+1);";
var $_genSeqSQL = "create table %s (id int not null)";
var $_genSeq2SQL = "insert into %s values (%s)";
var $_dropSeqSQL = "drop table %s";
function CreateSequence($seqname='adodbseq',$startID=1)
{
if (empty($this->_genSeqSQL)) return false;
$u = strtoupper($seqname);
$ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname));
if (!$ok) return false;
return $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1));
}
function GenID($seqname='adodbseq',$startID=1)
{
// post-nuke sets hasGenID to false
if (!$this->hasGenID) return false;
$getnext = sprintf($this->_genIDSQL,$seqname);
$rs = @$this->Execute($getnext);
if (!$rs) {
$u = strtoupper($seqname);
$this->Execute(sprintf($this->_genSeqSQL,$seqname));
$this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1));
$rs = $this->Execute($getnext);
}
$this->genID =
mysql_insert_id($this->_connectionID);
if ($rs) $rs->Close();
return $this->genID;
}
function &MetaDatabases()
{
$qid = my
sql_list_dbs($this->_connectionID);
$arr = array();
$i = 0;
$max = mysql_num_rows($qid);
while ($i < $max) {
$db = mysql_tablename($qid,$i);
if ($db != 'mysql') $arr[] = $db;
$i += 1;
}
return $arr;
}
// Format date column in sql string given an input format that understands Y M D
function SQLDate($fmt, $col=false)
{
if (!$col) $col = $this->sysTimeStamp;
$s = 'DATE_FORMAT('.$col.",'";
$concat = false;
$len = strlen($fmt);
for ($i=0; $i < $len; $i++) {
$ch = $fmt[$i];
switch($ch) {
case 'Y':
case 'y':
$s .= '%Y';
break;
case 'Q':
case 'q':
$s .= "'),Quarter($col)";
if ($len > $i+1) $s .= ",DATE_FORMAT($col,'";
else $s .= ",('";
$concat = true;
break;
case 'M':
$s .= '%b';
break;
case 'm':
$s .= '%m';
break;
case 'D':
case 'd':
$s .= '%d';
break;
case 'H':
$s .= '%H';
break;
case 'h':
$s .= '%I';
break;
case 'i':
$s .= '%i';
break;
case 's':
$s .= '%s';
break;
case 'a':
case 'A':
$s .= '%p