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Old 12-03-2004, 01:43 AM   #1
leonardburton
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Join Date: Dec 2004
Posts: 10
Exclamation how to exchange indexes between phpdig instances?

How can I import the index information from one instance of phpdig on one server to that of another?

I am currently writting a script to go through the tables of the data to be imported and renumber all the site_id, spider_id, and key_id to the numberings of the index that is already existing.

Am I reinventing the wheel here?

Thanks,

Leonard.
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Old 12-03-2004, 01:49 AM   #2
Charter
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http://www.phpdig.net/forum/showthread.php?t=511
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Responses are offered on a voluntary if/as time is available basis, no guarantees. Double posting or bumping threads will not get your question answered any faster. No support via PM or email, responses not guaranteed. Thank you for your comprehension.
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Old 12-03-2004, 02:28 AM   #3
leonardburton
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THanks for the quick response.

Thanks for the point to the previous post. I was unable to find it as I was not doing a search for merge.

Here is what I come up with this morning:

<?
include "connect.php";

//this is a class I use to do inserts and queries in mysql*********************************************
include "sequl.inc";


/* ******************************************
1) get sites already in sites and set new_site_id to its number

****************************************** */

$query ="select import_sites.*, sites.site_id as new from import_sites ";
$query.="right join sites ";
$query.="on import_sites.site_url=sites.site_url ";
$results=sequl::getit($query);
print_r($results);

foreach ($results as $result){
$old=$result['site_id'];
$new=$result['new'];
$update ="update import_sites set new_site_id=$new ";
$update.="where site_id=$old";
print "$update\n";
sequl::insert($update);

//update import_spider
$update="update import_spider set new_site_id=$new ";
$update.="where site_id=$old";
sequl::insert($update);
}

/* ******************************************
2) get new sites; they dont have new_site_id yet

****************************************** */
$query="select * from import_sites where new_site_id = 0";
$results=sequl::getit($query);
print_r($results);


foreach ($results as $result){
$old=$result['site_id'];
$url=$result['site_url'];

$insert="insert into sites (site_url) values ('$url')";
$new=sequl::insert($insert,1);

$update ="update import_sites set new_site_id=$new ";
$update.="where site_id=$old";

print "$update\n";
sequl::insert($update);

//update import_spider
$update="update import_spider set new_site_id=$new ";
$update.="where site_id=$old";
sequl::insert($update);

}


//get spiders where they are the same
$query="SELECT spider.spider_id AS new, import_spider.spider_id AS old
FROM import_spider
RIGHT JOIN spider ON import_spider.file = spider.file
WHERE import_spider.new_site_id = spider.site_id ";
$results=sequl::getit($query);

foreach($results as $result){
$old=$result['old'];
$new=$result['new'];

$update="update import_spider set new_spider_id=$new
where spider_id=$old";
sequl::insert($update);
}


//get import_spiders that need to be inserted into spider
$query="select * from import_spider where new_spider_id=0";
$results=sequl::getit($query);

foreach ($results as $result){
$old=$result['spider_id'];

$insert="insert into spider (file, first_words, upddate, md5,
site_id, path, num_words, last_modified, filesize)
select 'file', first_words, upddate, md5, site_id, path,
num_words, last_modified, filesize from import_spider
where spider_id=$old";
print "\n$insert\n";
$new=sequl::insert($insert,1);

$update="update import_spider set new_spider_id=$new
where spider_id=$old";
print "$update\n";
sequl::insert($update);


}//end foreach


$query="select spider_id as old, new_spider_id as new from import_spider";
$results=sequl::getit($query);

foreach ($results as $result){
$old= $result['old'];
$new= $result['new'];
$update="update import_engine
set new_spider_id=$new
where spider_id=$old";

sequl::insert($update);
}


$query="select import_keywords.key_id as old, keywords.key_id as new,
keywords.keyword
from import_keywords
right join keywords
on import_keywords.keyword=keywords.keyword";
$results=sequl::getit($query);

foreach ($results as $result){
$old= $result['old'];
$new= $result['new'];

$update="update import_keywords set new_key_id =$new
where key_id=$old";
sequl::insert($update);

}


$query="select key_id as old from import_keywords where new_key_id=0";
print "$query\n";
$results=sequl::getit($query);
foreach ($results as $result){
$old= $result['old'];
$insert="insert into keywords (key_id,twoletters,keyword)
select key_id,twoletters,keyword from import_keywords
where key_id=$old";
print "\n$insert\n";
$new=sequl::insert($insert,1);

/* $update="update import_keywords set new_key_id=$new
where key_id=$old";
print "$update\n"; */
sequl::insert($update);
}//end foreach
?>

#
# Table structure for table `import_engine`
#

CREATE TABLE import_engine (
spider_id mediumint(9) NOT NULL default '0',
key_id mediumint(9) NOT NULL default '0',
weight smallint(4) NOT NULL default '0',
new_spider_id mediumint(9) NOT NULL default '0',
KEY key_id (key_id)
) TYPE=MyISAM;
# --------------------------------------------------------

#
# Table structure for table `import_keywords`
#

CREATE TABLE import_keywords (
key_id int(9) NOT NULL auto_increment,
twoletters char(2) NOT NULL default '',
keyword varchar(64) NOT NULL default '',
new_key_id int(9) NOT NULL default '0',
PRIMARY KEY (key_id),
UNIQUE KEY keyword (keyword),
UNIQUE KEY key_id (key_id),
KEY twoletters (twoletters)
) TYPE=MyISAM;
# --------------------------------------------------------

#
# Table structure for table `import_sites`
#

CREATE TABLE import_sites (
site_id mediumint(9) NOT NULL auto_increment,
site_url varchar(127) NOT NULL default '',
upddate timestamp(14) NOT NULL,
username varchar(32) default NULL,
password varchar(32) default NULL,
port smallint(6) default NULL,
locked tinyint(1) NOT NULL default '0',
new_site_id mediumint(9) NOT NULL default '0',
PRIMARY KEY (site_id),
UNIQUE KEY site_id (site_id)
) TYPE=MyISAM;
# --------------------------------------------------------

#
# Table structure for table `import_spider`
#

CREATE TABLE import_spider (
spider_id mediumint(9) NOT NULL auto_increment,
file varchar(127) NOT NULL default '',
first_words text NOT NULL,
upddate timestamp(14) NOT NULL,
md5 varchar(50) default NULL,
site_id mediumint(9) NOT NULL default '0',
path varchar(127) NOT NULL default '',
num_words int(11) NOT NULL default '1',
last_modified timestamp(14) NOT NULL,
filesize int(11) NOT NULL default '0',
new_spider_id mediumint(9) NOT NULL default '0',
new_site_id mediumint(9) NOT NULL default '0',
PRIMARY KEY (spider_id),
UNIQUE KEY spider_id (spider_id),
KEY site_id (site_id)
) TYPE=MyISAM;


*********************************************
*********************************************
*********************************************
*********************************************



In the demo where I tried this it seems to be working, I am sure there are some pitfalls but I have not uncovered them yet. What do you think?
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Old 12-05-2004, 07:15 AM   #4
leonardburton
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Join Date: Dec 2004
Posts: 10
Charter,

Please kill message number three of this post. I sent the wrong code after a marathon coding session of a few things. The correct code will be in a subsequent message.

Thanks.
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