求助大佬们一个sql问题,让你问这个语法有什么问题,怎么解决

jckcn521 2018-03-07 10:49:30
Warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'where lastvisit > 1517790899' at line 1 in D:\wwwroot\m.7jck.com\17mb\class\ez_sql_mysql.php on line 211
这是网站显示的错误!
下面是我根据提示找到的代码,不知道是哪出错了,请大神帮帮忙,非常感谢!
$is_insert = true;
$this->register_error($str);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
return false;
}
...全文
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jckcn521 2018-03-07
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<?php

/**********************************************************************
* Author: Justin Vincent (jv@jvmultimedia.com)
* Web...: http://twitter.com/justinvincent
* Name..: ezSQL_mysql
* Desc..: mySQL component (part of ezSQL databse abstraction library)
*
*/

/**********************************************************************
* ezSQL error strings - mySQL
*/

$ezsql_mysql_str = array
(
1 => 'Require $dbuser and $dbpassword to connect to a database server',
2 => 'Error establishing mySQL database connection. Correct user/password? Correct hostname? Database server running?',
3 => 'Require $dbname to select a database',
4 => 'mySQL database connection is not active',
5 => 'Unexpected error while trying to select database'
);

/**********************************************************************
* ezSQL Database specific class - mySQL
*/

if ( ! function_exists ('mysql_connect') ) die('<b>Fatal Error:</b> ezSQL_mysql requires mySQL Lib to be compiled and or linked in to the PHP engine');
if ( ! class_exists ('ezSQLcore') ) die('<b>Fatal Error:</b> ezSQL_mysql requires ezSQLcore (ez_sql_core.php) to be included/loaded before it can be used');

class ezSQL_mysql extends ezSQLcore
{

var $dbuser = false;
var $dbpassword = false;
var $dbname = false;
var $dbhost = false;

/**********************************************************************
* Constructor - allow the user to perform a qucik connect at the
* same time as initialising the ezSQL_mysql class
*/

function ezSQL_mysql($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost')
{
$this->dbuser = $dbuser;
$this->dbpassword = $dbpassword;
$this->dbname = $dbname;
$this->dbhost = $dbhost;
}

/**********************************************************************
* Short hand way to connect to mySQL database server
* and select a mySQL database at the same time
*/

function quick_connect($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost')
{
$return_val = false;
if ( ! $this->connect($dbuser, $dbpassword, $dbhost,true) ) ;
else if ( ! $this->select($dbname) ) ;
else $return_val = true;
return $return_val;
}

/**********************************************************************
* Try to connect to mySQL database server
*/

function connect($dbuser='', $dbpassword='', $dbhost='localhost')
{
global $ezsql_mysql_str; $return_val = false;

// Must have a user and a password
if ( ! $dbuser )
{
$this->register_error($ezsql_mysql_str[1].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[1],E_USER_WARNING) : null;
}
// Try to establish the server database handle
else if ( ! $this->dbh = @mysql_connect($dbhost,$dbuser,$dbpassword,true,131074) )
{
$this->register_error($ezsql_mysql_str[2].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[2],E_USER_WARNING) : null;
}
else
{
$this->dbuser = $dbuser;
$this->dbpassword = $dbpassword;
$this->dbhost = $dbhost;
$return_val = true;
}

return $return_val;
}

/**********************************************************************
* Try to select a mySQL database
*/

function select($dbname='')
{
global $ezsql_mysql_str; $return_val = false;

// Must have a database name
if ( ! $dbname )
{
$this->register_error($ezsql_mysql_str[3].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[3],E_USER_WARNING) : null;
}

// Must have an active database connection
else if ( ! $this->dbh )
{
$this->register_error($ezsql_mysql_str[4].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[4],E_USER_WARNING) : null;
}

// Try to connect to the database
else if ( !@mysql_select_db($dbname,$this->dbh) )
{
// Try to get error supplied by mysql if not use our own
if ( !$str = @mysql_error($this->dbh))
$str = $ezsql_mysql_str[5];

$this->register_error($str.' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
}
else
{
$this->dbname = $dbname;
$return_val = true;
}

return $return_val;
}

/**********************************************************************
* Format a mySQL string correctly for safe mySQL insert
* (no mater if magic quotes are on or not)
*/

function escape($str)
{
// If there is no existing database connection then try to connect
if ( ! isset($this->dbh) || ! $this->dbh )
{
$this->connect($this->dbuser, $this->dbpassword, $this->dbhost);
$this->select($this->dbname);
}

return mysql_real_escape_string(stripslashes($str));
}

/**********************************************************************
* Return mySQL specific system date syntax
* i.e. Oracle: SYSDATE Mysql: NOW()
*/

function sysdate()
{
return 'NOW()';
}

/**********************************************************************
* Perform mySQL query and try to detirmin result value
*/

function query($query)
{

// Initialise return
$return_val = 0;

// Flush cached values..
$this->flush();

// For reg expressions
$query = trim($query);

// Log how the function was called
$this->func_call = "\$db->query(\"$query\")";

// Keep track of the last query for debug..
$this->last_query = $query;

// Count how many queries there have been
$this->num_queries++;

// Use core file cache function
if ( $cache = $this->get_cache($query) )
{
return $cache;
}

// If there is no existing database connection then try to connect
if ( ! isset($this->dbh) || ! $this->dbh )
{
$this->connect($this->dbuser, $this->dbpassword, $this->dbhost);
$this->select($this->dbname);
}

// Perform the query via std mysql_query function..
$this->result = @mysql_query($query,$this->dbh);

// If there is an error then take note of it..
if ( $str = @mysql_error($this->dbh) )
{
$is_insert = true;
$this->register_error($str);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
return false;
}

// Query was an insert, delete, update, replace
$is_insert = false;
if ( preg_match("/^(insert|delete|update|replace)\s+/i",$query) )
{
$this->rows_affected = @mysql_affected_rows();

// Take note of the insert_id
if ( preg_match("/^(insert|replace)\s+/i",$query) )
{
$this->insert_id = @mysql_insert_id($this->dbh);
}

// Return number fo rows affected
$return_val = $this->rows_affected;
}
// Query was a select
else
{

// Take note of column info
$i=0;
while ($i < @mysql_num_fields($this->result))
{
$this->col_info[$i] = @mysql_fetch_field($this->result);
$i++;
}

// Store Query Results
$num_rows=0;
while ( $row = @mysql_fetch_object($this->result) )
{
// Store relults as an objects within main array
$this->last_result[$num_rows] = $row;
$num_rows++;
}

@mysql_free_result($this->result);

// Log number of rows the query returned
$this->num_rows = $num_rows;

// Return number of rows selected
$return_val = $this->num_rows;
}

// disk caching of queries
$this->store_cache($query,$is_insert);

// If debug ALL queries
$this->trace || $this->debug_all ? $this->debug() : null ;

return $return_val;

}

}

?>
这是完整的代码
rucypli 2018-03-07
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打印出来sql看下 肯定有语法错误

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