SQL选择列邮政编码中的数据与数组中的数据匹配的任何行？
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【中文标题】SQL选择列邮政编码中的数据与数组中的数据匹配的任何行？【英文标题】：SQL select any row that data in column zipcode matches data within an array? 【发布时间】：2013-03-21 23:33:59 【问题描述】：好的，所以问题是我正在 702web.com/tutors 网站上进行自定义地理位置
由于主页搜索未完成，请使用内页进行搜索。
我已将其设置为用户不输入邮政编码的位置和主题是任何它将显示所有导师，也将其设置为没有输入邮政编码并且他们选择一个主题然后将显示教授该主题的所有导师，我还知道在哪里输入邮政编码，用户选择任何然后显示该邮政编码中的任何导师，第四个也是最后一个是如果用户输入邮政编码和主题，那么所有教授该主题和该邮政编码的导师都会显示.
这样做很容易，但为了使其第三次和第四次稍微复杂一些，我让它选择用户输入的邮政编码半径 40 英里内的所有邮政编码（使用包含所有邮政编码的表格和纬度和经度）。正在查找该半径内的所有邮政编码。
我的问题是这样的 如何使用数组查询该数据库？由于该半径内的所有邮政编码都放在一个数组中，我怎么知道使用 SELECT 语句来“SELECT * FROM wp_testimonials WHERE postcode = '”.$THIS IS MY ARRAY??"' AND find_in_set('".$_REQUEST ['主题']."', 主题)"
结果页面代码
<?php
if(isset($_REQUEST['send']) OR !empty($_REQUEST['zipcode']))
if(!preg_match('/^[0-9]5$/', $_REQUEST['zipcode']))
include('search_page.php');
else
//connect to db server; select database
$link = mysql_connect('t0tors102938.db.7131821.hostedresource.com', 't0tors102938', 'aL8#Jfo89!') or die('Cannot connect to database server');
mysql_select_db('t0tors102938') or die('Cannot select database');
//query for coordinates of provided ZIP Code
if(!$rs = mysql_query("SELECT * FROM wp_us_zipcodes WHERE zip_code = '$_REQUEST[zipcode]'"))
echo "<p><strong>There was a database error attempting to retrieve your ZIP Code.</strong> Please try again.</p>\n";
else
if(mysql_num_rows($rs) == 0)
echo "<p><strong>No database match for provided ZIP Code.</strong> Please enter a new ZIP Code.</p>\n";
else
//if found, set variables
$row = mysql_fetch_array($rs);
$lat1 = $row['latitude'];
$lon1 = $row['longitude'];
$d = 40;
$r = 3959;
//compute max and min latitudes / longitudes for search square
$latN = rad2deg(asin(sin(deg2rad($lat1)) * cos($d / $r) + cos(deg2rad($lat1)) * sin($d / $r) * cos(deg2rad(0))));
$latS = rad2deg(asin(sin(deg2rad($lat1)) * cos($d / $r) + cos(deg2rad($lat1)) * sin($d / $r) * cos(deg2rad(180))));
$lonE = rad2deg(deg2rad($lon1) + atan2(sin(deg2rad(90)) * sin($d / $r) * cos(deg2rad($lat1)), cos($d / $r) - sin(deg2rad($lat1)) * sin(deg2rad($latN))));
$lonW = rad2deg(deg2rad($lon1) + atan2(sin(deg2rad(270)) * sin($d / $r) * cos(deg2rad($lat1)), cos($d / $r) - sin(deg2rad($lat1)) * sin(deg2rad($latN))));
//find all coordinates within the search square's area
//exclude the starting point and any empty city values
$query = "SELECT * FROM wp_us_zipcodes WHERE (latitude <= $latN AND latitude >= $latS AND longitude <= $lonE AND longitude >= $lonW) AND city != '' ORDER BY state, city, latitude, longitude";
if(!$rs = mysql_query($query))
echo "<p><strong>There was an error selecting nearby ZIP Codes from the database.</strong></p>\n";
elseif(mysql_num_rows($rs) == 0)
echo "<p><strong>No nearby ZIP Codes located within the distance specified.</strong> Please try a different distance.</p>\n";
else
//output all matches to screen
while($row = mysql_fetch_array($rs))
foreach($row['zip_code'] as $rows)
$queryzipcodes[] = $rows;
$sqlzip = implode(',',$queryzipcodes);
echo "$queryzipcodes";
//echo 'ok';
if($_REQUEST['subject']!='' && $_REQUEST['zipcode']!='')
$sql="SELECT * FROM wp_testimonials WHERE postcode IN ($sqlzip) AND find_in_set( '".$_REQUEST['subject']."', subject )";
elseif($_REQUEST['subject']!='')
$sql="SELECT * FROM wp_testimonials WHERE find_in_set( '".$_REQUEST['subject']."', subject )";
elseif($_REQUEST['zipcode']!='')
$sql="SELECT * FROM wp_testimonials WHERE postcode = '".$_REQUEST['zipcode']."'";
else
$sql="SELECT * FROM wp_testimonials";
//echo $sql;
$tutors = $wpdb->get_results($sql);
$count = 0;
print('<br>');
foreach ($tutors as $tutor)
$odd = $count%2;
if ($odd == 1)
$bgcolor='#fafafa';
elseif ($odd == 0)
$bgcolor='#f0f0f0';
$sql3="SELECT sfimgurl FROM wp_testimonials WHERE testid='".$tutor->testid."'";
$res3=mysql_query($sql3);
$data3=mysql_fetch_assoc($res3);
$blogurl = get_bloginfo('wpurl');
$imgsrc = '/wp-content/uploads/';
$tutorimg = $data3['sfimgurl'];
print('<table style="border-radius: 10px;" bgcolor="'.$bgcolor.'">');
print('<tr ><td style="padding: 10px 5px 10px 10px; vertical-align: top; "><div style="height:145px; overflow:hidden; float: left; padding-right: 10px; border: dotted; border-width: 0 1px 0 0"><img src="'.$blogurl.'' .$imgsrc.'' .$tutorimg.'" />');
print('</div></td>');
print('<td valign="top" style="float:left; padding-left: 5px; padding-top:5px;"><div style="float: left; font-size:12px;"><strong>TUTOR:<br><a href="?page_id=175&tid=' .$tutor->testid. '">'.$tutor->clientname.'</a><br></strong><br>');
$subj=$tutor->subject;
$arrr_subject=explode(',', $subj);
for($i=0;$i<3;$i++)
//$i<count($arrr_subject)
$sql2="select * from wp_tutorcat WHERE subid='".$arrr_subject[$i]."'";
$res2=mysql_query($sql2);
$data2=mysql_fetch_assoc($res2);
$subject2 = (strlen($data2['subject']) > 20) ? substr($data2['subject'],0,17).'...' : $data2['subject'];
echo $subject2.'<br>';
//print('<br> '.$tutor->text_full.'<br/><br/>');
print('<br><strong>Zip Code: '.$tutor->postcode.'</strong></div></td>');
print('<td style="padding-left:10px; padding-top: 5px; vertical-align: top; border: dotted; border-width: 0 0 0 1px;"><div style="float: left; font-size: 12px; position: relative; padding-right: 5px; ">');
$idnum=$tutor->testid;
//$bio=$data['text_full'];
$sql3="SELECT text_full FROM wp_testimonials WHERE testid='".$idnum."'";
$res3=mysql_query($sql3);
$data3=mysql_fetch_assoc($res3);
$ses = "'s";
$bio = (strlen($data3['text_full']) > 103) ? substr($data3['text_full'],0,100).'...' : $data3['text_full'];
echo '<strong>BIO:</strong>
<br>'.$bio.'<br></div>';
print('<div align="center"><p style="text-align: center;"><span class="bk-button-wrapper"><a href="?page_id=175&tid=' .$tutor->testid. '" target="_self" class="bk-button red center rounded small" style="margin-top: 15px;">View '.$tutor->clientname.''. $ses . ' Profile</a></span></p></div>');
print('</td></tr></table>');
$count++;
?>
【问题讨论】：
新代码和选择语句 【参考方案1】：如果您可以在 SELECT 查询中使用数组，我深表歉意，但我不相信您可以直接使用数组查询数据库，但您可以遍历邮政编码数组并使用每个邮政编码查询数据库：
$zips = array( '41240', '41256', '41202' );
$result = array();
foreach( $zips as $key=>$value )
// Select query with $value
// Save result to $result[ $key ]
echo '<pre>' . print_r( $result, 1 ) . '</pre>';
→ 那是你要找的吗？
【讨论】：
【参考方案2】：您可以执行以下操作将数组传递给 SQL 查询：
<?php
$zipcodes = $_REQUEST["zipcode"];
if( valid_zipcodes($zipcodes) ) // validate the data before query
$zipcodes = str_replace(
array(']','['),
array(')','('),
json_encode($zipcodes) );
mysql_query("SELECT * FROM wp_testimonials WHERE postcode IN $zipcodes;");
// any other job
?>
您的查询将是这样的：
SELECT *
FROM wp_testimonials
WHERE postcode IN ('123456', '987654');
【讨论】：
查看我的代码，当用户搜索所有邮政编码时，我怎么能进入一维数组，因为现在邮政编码在 $row[zip_code]【参考方案3】：执行此操作的最佳方法是对您的 2 个表使用 SQL 连接 下表用于在使用 PDO 的 SQL 查询中使用 Haversine 公式查找给定半径内的导师
// Prepare statement
$stmt = $dbh->prepare("SELECT `tutors`.`name`, `tutors`.`zip`,`uszips`.`city`,`uszips`.`latitude`,`uszips`.`longitude`,( 3959 * acos( cos( radians(?) ) * cos( radians( `uszips`.`latitude` ) ) * cos( radians( `uszips`.`longitude` ) - radians(?) ) + sin( radians(?) ) * sin( radians( `uszips`.`latitude`) ) ) ) AS distance FROM `uszips`, `tutors` WHERE (`uszips`.`zip` =`tutors`.`zip`) HAVING distance < ? ORDER BY distance ");
// Assign parameters
$stmt->bindParam(1,$center_lat);
$stmt->bindParam(2,$center_lng);
$stmt->bindParam(3,$center_lat);
$stmt->bindParam(4,$radius);
//Execute query
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$stmt->execute();
// Iterate through the rows, adding XML nodes for each
while($row = $stmt->fetch())
echo $row['city'].",".$row['zip'].",".$row['name'].",".$row['distance'].",".$row['latitude'].",".$row['longitude'];
其中$center_lat 和$center_lng 是用户的坐标，$radius 是以英里为单位的距离。
【讨论】：
【参考方案4】：好吧，伙计们，我想通了。
从头到尾解决这个问题，我总共花了大约 12 个小时的工作时间。
显示结果的代码和主页的表单操作
<?php
/*
Template Name: Tutor Locator Template
*/
?>
<?php get_header(); ?>
<div id="primary">
<div class="small-search-tutor">
<div class="small-search-tutor-box">
<?php
include('post_search.php');
?>
</div>
</div>
<div id="content" role="main">
<?php while ( have_posts() ) : the_post(); ?>
<?php get_template_part( 'content', 'page' ); ?>
<br />
<?php
// Create page variables
$r = 50;
$z = NULL;
$stores = NULL;
$Errors = NULL;
// Establish DB connection
$dbc = mysql_connect ('t0tors102938.db.7131821.hostedresource.com', 't0tors102938', 'aL8#Jfo89!');
mysql_select_db ('t0tors102938', $dbc);
// Declare page functions
function Dist ($lat_A, $long_A, $lat_B, $long_B)
$distance = sin(deg2rad($lat_A))
* sin(deg2rad($lat_B))
+ cos(deg2rad($lat_A))
* cos(deg2rad($lat_B))
* cos(deg2rad($long_A - $long_B));
$distance = (rad2deg(acos($distance))) * 69.09;
return $distance;
### Handle form if submitted
if (isset ($_REQUEST['send']) OR !empty($_REQUEST['zipcode']))
// Validate Zip code field
if (!empty ($_REQUEST['zipcode']) && is_numeric ($_REQUEST['zipcode']))
$z = (int)$_REQUEST['zipcode'];
// Verify zip code exists
$query = "SELECT lat, lon FROM zip_codes WHERE zip = '$z'";
$result = mysql_query ($query);
if (mysql_num_rows ($result) == 1)
$zip = mysql_fetch_assoc ($result);
else
$Errors = '<p>The zip code you entered was not found!</p>';
elseif (empty ($_REQUEST['zipcode']))
$query = "SELECT lat, lon FROM zip_codes";
$result = mysql_query ($query);
if (mysql_num_rows ($result) == 1)
$zip = mysql_fetch_assoc ($result);
else
$Errors = '<p>The zip code you entered was not found!</p>';
// Proceed if no errors were found
// Retrieve coordinates of the stores
$tutors = array();
$r = 50;
if(empty($_REQUEST['zipcode']) && $_REQUEST['subject']!='Any')
$query = "SELECT * FROM wp_testimonials WHERE find_in_set( '".$_REQUEST['subject']."', subject )";
elseif($_REQUEST['subject']!='Any')
$query = "SELECT testid, clientname, phone, email, subject, text_full, hourly_rate, postcode, lat, lon
FROM wp_testimonials
INNER JOIN zip_codes
ON wp_testimonials.postcode = zip_codes.zip
AND find_in_set( '".$_REQUEST['subject']."', subject )";
elseif(empty($_REQUEST['zipcode']) && $_REQUEST['subject']='Any')
$query = "SELECT * FROM wp_testimonials";
elseif(!empty($_REQUEST['zipcode']) && $_REQUEST['subject']='Any')
$query = "SELECT testid, clientname, phone, email, subject, text_full, hourly_rate, postcode, lat, lon
FROM wp_testimonials
INNER JOIN zip_codes
ON wp_testimonials.postcode = zip_codes.zip";
$result = mysql_query ($query);
// Go through and check all stores
while ($row = mysql_fetch_assoc ($result))
// Separate closest stores
$distance = Dist ($row['lat'], $row['lon'], $zip['lat'], $zip['lon']);
// Check if store is in radius
if ($distance <= $r)
$tutors[] = array (
'testid' => $row['testid'],
'clientname' => $row['clientname'],
'email' => $row['email'],
'subject' => $row['subject'],
'postcode' => $row['postcode'],
'text_full' => $row['text_full'],
'phone' => $row['phone'],
'hourly_rate' => $row['hourly_rate']
);
else
$Errors = ($Errors) ? $Errors : '<p>Errors were found please try again!</p>';
?>
<?php
if (isset ($tutors))
if (!empty ($tutors))
$count = 0;
//echo '<p><strong>' . count ($tutors) . ' results were found.</strong></p>';
foreach ($tutors as $value)
$odd = $count%2;
if ($odd == 1)
$bgcolor='#fafafa';
elseif ($odd == 0)
$bgcolor='#f0f0f0';
$sql3="SELECT sfimgurl FROM wp_testimonials WHERE testid='".$value['testid']."'";
$res3=mysql_query($sql3);
$data3=mysql_fetch_assoc($res3);
$blogurl = get_bloginfo('wpurl');
$imgsrc = '/wp-content/uploads/';
$tutorimg = $data3['sfimgurl'];
echo '<table style="border-radius: 10px;" bgcolor="'.$bgcolor.'">';
echo '<tr ><td style="padding: 10px 5px 10px 10px; vertical-align: top; "><div style="height:145px; overflow:hidden; float: left; padding-right: 10px; border: dotted; border-width: 0 1px 0 0"><img src="'.$blogurl.'' .$imgsrc.'' .$tutorimg.'" /><div></td>';
echo '<td valign="top" style="float:left; padding-left: 5px; padding-top:5px;"><div style="float: left; font-size:12px;"><strong>TUTOR:<br><a href="?page_id=175&tid=' .$value['testid']. '">'.$value['clientname'].'</a><br></strong><br>';
$arrr_subject = array();
$arrr_subject=explode(',', $value['subject']);
for($i=0;$i<3;$i++)
$sql2="SELECT * FROM wp_tutorcat WHERE subid='".$arrr_subject[$i]."'";
$results2=mysql_query($sql2);
$row2=mysql_fetch_assoc($results2);
$subject2 = (strlen($row2['subject']) > 20) ? substr($row2['subject'],0,17).'...' : $row2['subject'];
if($subject2!='')
echo $subject2.'<br>';
else
//do nothing
// echo '<br />Hourly Rate: ' . $value['hourly_rate'] . '<br />';
echo '<br><strong>Zip Code: '.$value['postcode'].'</strong></div></td>';
echo '<td style="padding-left:10px; padding-top: 5px; vertical-align: top; border: dotted; border-width: 0 0 0 1px;"><div style="float: left; font-size: 12px; position: relative; padding-right: 5px; ">';
$ses = "'s";
$bio = (strlen($value['text_full']) > 103) ? substr($value['text_full'],0,100).'...' : $value['text_full'];
echo '<strong>BIO:</strong><br>'.$bio.'<br></div>';
echo '<div align="center"><p style="text-align: center;"><span class="bk-button-wrapper"><a href="?page_id=175&tid=' .$value['testid']. '" target="_self" class="bk-button red center rounded small" style="margin-top: 15px;">View '.$value['clientname'].''. $ses . ' Profile</a></span></p></div>';
echo '</td></tr></table>';
$count++;
else
echo '<p><strong>No results found</strong></p>';
?>
<?php endwhile; // end of the loop. ?>
</div><!-- #content -->
</div><!-- #primary -->
<?php get_sidebar(); ?>
所有内页的搜索栏代码
<?php
//print_r($_REQUEST);
if($_REQUEST['send']=='send')
if($_REQUEST['subject']!='Any' AND empty($_REQUEST['zipcode']))
header("Location:?page_id=275&subject=".$_REQUEST['subject']);
elseif ($_REQUEST['subject']=='Any' AND !empty($_REQUEST['zipcode']))
header("Location:?page_id=410&zipcode=".$_REQUEST['zipcode']."&subject=".$_REQUEST['subject']);
elseif (empty($_REQUEST['zipcode']))
header("Location:?page_id=275&subject=");
else
header("Location:?page_id=410&zipcode=".$_REQUEST['zipcode']."&subject=".$_REQUEST['subject']);
?>
<form method="post" action="">
<div style="display:inline-block; width:60px; font-size:12px; vertical-align:top; padding-top:7px;">ZIP
<input type="text" id="zip" name="zipcode" style="width:100px; margin-top:-10px;"/>
</div>
<div style="display:inline-block; width:180px; padding-left:50px; vertical-align:top; padding-top:7px; font-size:12px;">SUBJECT:
<select name="subject" style="width:180px;">
<option value="Any">Any</option>
<?php
$sql="select * from wp_tutorcat";
$res=mysql_query($sql);
while($data=mysql_fetch_array($res))
$rr="select * FROM wp_testimonials WHERE find_in_set( '".$data['subid']."', `subject` )";
$ff=mysql_query($rr);
$num=mysql_num_rows($ff);
if($num>0)
?>
<option value="<?=$data['subid']?>" <?php if(in_array($data['subid'],$arrr)) echo 'selected'?>><?=$data['subject']?></option>
<?php
?>
</select>
</div>
<div style="display:inline-block; vertical-align:top; padding-top:23px; ">
<input type="hidden" value="send" name="send" />
<input type="submit" name="search" value="search"/>
</div>
</form>
导师数据库表 SQL
-- phpMyAdmin SQL Dump
-- version 2.11.11.3
-- http://www.phpmyadmin.net
--
-- Host: 0.0.0.0
-- Generation Time: Mar 22, 2013 at 02:58 PM
-- Server version: 5.0.96
-- PHP Version: 5.1.6
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
--
-- Database: `t0tor******`
--
-- --------------------------------------------------------
--
-- Table structure for table `wp_testimonials`
--
DROP TABLE IF EXISTS `wp_testimonials`;
CREATE TABLE IF NOT EXISTS `wp_testimonials` (
`testid` int(15) NOT NULL auto_increment,
`clientname` varchar(100) NOT NULL,
`phone` varchar(20) default NULL,
`email` varchar(100) NOT NULL,
`subject` varchar(999) NOT NULL,
`text_full` varchar(999) NOT NULL,
`hourly_rate` varchar(20) NOT NULL,
`package_discount` varchar(20) NOT NULL,
`group_discount` varchar(20) NOT NULL,
`sfimgurl` varchar(100) NOT NULL,
`postcode` varchar(5) NOT NULL,
`storder` int(5) NOT NULL,
`featured` varchar(255) NOT NULL,
PRIMARY KEY (`testid`),
KEY `postal` (`postcode`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=17 ;
--
-- Dumping data for table `wp_testimonials`
--
INSERT INTO `wp_testimonials` VALUES(8, 'Jill Mohlman', '', 'Jill@gmail.com', '25,28,34,39,51,66,104', 'Highest Degree: Bachelors in education\r\nCollege: Brigham Young\r\nYears as a Teacher: 7\r\nYears as a Tutor: 4', '13', '', '', 'Jill-Mohlman.jpg', '79912', 0, 'Yes');
INSERT INTO `wp_testimonials` VALUES(9, 'Heather Severson', '', '', '33,62,89,104,105,107', 'Highest Degree: Master of Music\r\nCollege: Brigham Young\r\nYears as a Teacher: 15\r\n\r\nBio:\r\nWith a Masters Degree in Music and a classically trained violinist, Heather believes that each student requires an individual approach to learning. Heather focuses on each students strengths and weaknesses, then alters her teaching methods to meet a students needs accordingly. \r\nHighest Degree: Master of Music', '13', '', '', 'Heather-Seaverson.jpg', '84054', 0, 'No');
INSERT INTO `wp_testimonials` VALUES(10, 'Floyd Fitzgibbons', '', '', '103', 'Name: Floyd Fitzgibbons\r\nHighest Degree: Certified Insurance Counselor\r\nCollege: UNLV\r\nYears as a Teacher: 8+\r\nYears as a Tutor: 5+', '18', '', '', 'Floyd-Fitzgibbons.jpg', '89149', 0, 'No');
INSERT INTO `wp_testimonials` VALUES(12, 'Ryan Fitzgibbons', '', '', '40,67', 'An accomplished teacher and tutor, Ryan ranked as one of the highest rated Kaplan Instructors in the nation for SAT and ACT score improvement. His students have gone to every Ivy League school. Many still keep in contact to report their academic successes, even years after the fact. He has received tremendous reviews from students and parents alike for his friendly and patient attitude, and ability to get results.\r\n\r\n-Member: Mensa High IQ Society - \r\n\r\nScored in 99th percentile on SAT & ACT - \r\n\r\nEagle Scout - Nationally ranked Kaplan SAT & ACT Specialist - \r\n\r\n\\"Ryan cares more than any teacher I\\''ve ever met. He loses more sleep anxiously awaiting his students\\'' test results than they do!\\"', '39', '', '', 'Ryan-Fitzgibbons-200x300.jpg', '89129', 0, 'No');
INSERT INTO `wp_testimonials` VALUES(13, 'Royce Seaverson', '', '', '21,23,28,31,34,37,38,41,42,48,49,66,76,77,82,89,105', 'Highest Degree: Masters\r\nCollege: BYU', '15', '', '', 'Royce-Seaverson.jpg', '84054', 0, 'No');
INSERT INTO `wp_testimonials` VALUES(14, 'Billy Bob', '', '', '103,104', '', '', '', '', '2012/11/how-it-works-191x300.jpg', '79912', 0, '');
INSERT INTO `wp_testimonials` VALUES(16, 'Billy Joel', '702-539-0540', 'nicholas@702web.com', '24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48', 'I am a great Tutor', '11', '', '', 'footer-purchasing.jpg', '89141', 0, 'Yes');
邮政编码列表的部分 SQL
在此处获取完整列表http://www.unitedstateszipcodes.org/zip-code-database/
-- phpMyAdmin SQL Dump
-- version 2.11.11.3
-- http://www.phpmyadmin.net
--
-- Host:
-- Generation Time: Mar 22, 2013 at 04:39 PM
-- Server version: 5.0.96
-- PHP Version: 5.1.6
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
--
-- Database: `t0tors102938`
--
-- --------------------------------------------------------
--
-- Table structure for table `zip_codes`
--
DROP TABLE IF EXISTS `zip_codes`;
CREATE TABLE IF NOT EXISTS `zip_codes` (
`zip_id` int(11) NOT NULL auto_increment,
`zip` varchar(5) NOT NULL default '',
`abbr_state` char(2) NOT NULL default '',
`lat` varchar(10) NOT NULL default '',
`lon` varchar(10) NOT NULL default '',
`city` varchar(50) default NULL,
`full_state` varchar(50) default NULL,
PRIMARY KEY (`zip_id`),
UNIQUE KEY `zip` (`zip`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=42523 ;
--
-- Dumping data for table `zip_codes`
--
INSERT INTO `zip_codes` VALUES(1, '501', 'NY', '40.81', '-73.04', 'Holtsville', 'NY');
INSERT INTO `zip_codes` VALUES(2, '544', 'NY', '40.81', '-73.04', 'Holtsville', 'NY');
INSERT INTO `zip_codes` VALUES(3, '601', 'PR', '18.16', '-66.72', 'Adjuntas', 'PR');
INSERT INTO `zip_codes` VALUES(4, '602', 'PR', '18.38', '-67.18', 'Aguada', 'PR');
INSERT INTO `zip_codes` VALUES(20, '631', 'PR', '18.19', '-66.82', 'Castaner', 'PR');
【讨论】：
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