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  • How can I copy a SQL record which has related records in other tables to the same database?

    - by DerekVS
    Hi. I created a function in C# which allows me to copy a record and its related children to a new record and new related children in the same database. (This is for an application that allows the use of previous work as a template for new work.) Anyway, it works great... Here's a description of how it accomplishes the copy: It populates a two-column memory-based look-up table with the current primary key of each record. Next, as it individually creates each new copy record, it updates the look-up table with the Identity PK of the new record [retrieved from SCOPE_IDENTITY()]. Now, when it copies over any related children, it can look up the new parent PK to set the FK on the new record. In testing, it only took a minute to copy a relational structure on a local instance of SQL Server 2005 Express Edition. Unfortunately it is proving to be horribly slow in production! My users are dealing with 60,000+ records per parent record over the LAN to our SQL Server! While my copy function still works, each of those records represents an individual SQL UPDATE command and it loads the SQL Server at about 17% CPU from its normal 2% idle. I just finished testing a 50,000 record copy and it took almost 20 minutes! Is there a way to duplicate this functionality in SQL queries or stored procecures to make the SQL server do all of the copy work instead of blasting it over the LAN from each client? (We're running Microsoft SQL Server 2005 Standard Edition.) Thanks! -Derek

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  • Replacement relevance sorting for MySQL fulltext in InnoDB tables?

    - by Giles Smith
    I am using MySQL InnoDB and want to do fulltext style searches on certain columns. What is the best way of sorting the results in order of relevance? I am trying to do something like: SELECT columns, (LENGTH(column_name) - LENGTH(REPLACE(column_name, '%searchterm%', ''))) AS score FROM table WHERE column_name LIKE '%searchterm%' ORDER BY score However this will become quite complicated once I start searching more than 1 column or using more than one keyword. I already have several joins happening so have simplified the query above. Can anyone suggest a better way? I don't want to use any 3rd party software like Sphinx etc

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  • Dumping views with mysqldump in the right order.

    - by Bushibytes
    I have a script that backs up our database, which contains multiple tables and views constructed from tables. The command used is: mysqldump -u UserName -ppassword -h hostname DatabaseName dump.sql; I have noticed however that some view definitions are backed up before the definitions of the tables. This causes an issue when restoring using the classic mysql -u UserName -p < dump.sql As when it tries to create the view, the table it needs does not exist yet. It is possible to edit the dump files to be restored, but I was wondering: Is there a way to either make sure that mysqldump backs up the tables and views in the right order? Or is there a way to restore from a dump that will find the right tables to create first (or create sane temporary tables)? Edit for version: mysqldump Ver 10.11 Distrib 5.0.51b, for redhat-linux-gnu (x86_64)

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  • Database per application VS One big database for all applications

    - by Jorge Vargas
    Hello, I'm designing a few applications that will share 2 or 3 database tables and all of the other tables will be independent of each app. The shared databases contain mostly user information, and there might occur the case where other tables need to be shared, but that's my instinct speaking. I'm leaning over the one database for all applications solution because I want to have referential integrity, and I won't have to keep the same information up to date in each of the databases, but I'm probably going to end with a database of 100+ tables where only groups of ten tables will have related information. The database per application approach helps me keep everything more organized, but I don't know a way to keep the related tables in all databases up to date. So, the basic question is: which of both approaches do you recommend? Thanks, Jorge Vargas.

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  • Analyzing data from same tables in diferent db instances.

    - by Oscar Reyes
    Short version: How can I map two columns from table A and B if they both have a common identifier which in turn may have two values in column C Lets say: A --- 1 , 2 B --- ? , 3 C ----- 45, 2 45, 3 Using table C I know that id 2 and 3 belong to the same item ( 45 ) and thus "?" in table B should be 1. What query could do something like that? EDIT Long version ommited. It was really boring/confusing EDIT I'm posting some output here. From this query: select distinct( rolein) , activityin from taskperformance@dm_prod where activityin in ( select activityin from activities@dm_prod where activityid in ( select activityid from activities@dm_prod where activityin in ( select distinct( activityin ) from taskperformance where rolein = 0 ) ) ) I have the following parts: select distinct( activityin ) from taskperformance where rolein = 0 Output: http://question1337216.pastebin.com/f5039557 select activityin from activities@dm_prod where activityid in ( select activityid from activities@dm_prod where activityin in ( select distinct( activityin ) from taskperformance where rolein = 0 ) ) Output: http://question1337216.pastebin.com/f6cef9393 And finally: select distinct( rolein) , activityin from taskperformance@dm_prod where activityin in ( select activityin from activities@dm_prod where activityid in ( select activityid from activities@dm_prod where activityin in ( select distinct( activityin ) from taskperformance where rolein = 0 ) ) ) Output: http://question1337216.pastebin.com/f346057bd Take for instace activityin 335 from first query ( from taskperformance B) . It is present in actvities from A. But is not in taskperformace in A ( but a the related activities: 92, 208, 335, 595 ) Are present in the result. The corresponding role in is: 1

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  • [Repost-ish] Impossibly slow queries, Tables indexed, How can I speed it up?

    - by colorfulgrayscale
    Hi guys, I posted a little earlier on here at http://stackoverflow.com/questions/2656837/query-results-taking-too-long-on-200k-database-speed-up-tips asking about slow executing SQL queries. I was told to index the columns; I did. and its still slow (slow as in, i never see the results, both mysql and sqlite freeze up on query). Help would be greatly appreciated. Here is the SQL SELECT equipment.`unitID` AS `equipment_unitID`, equipment.`fleetCode` AS `equipment_fleetCode`, equipment.type AS equipment_type, equipment.tiremap AS equipment_tiremap, tiremap.`TireID` AS `tiremap_TireID`, tiremap.`WorkMap` AS `tiremap_WorkMap`, tiremap.`Position` AS `tiremap_Position`, tiremap.`DepthMap` AS `tiremap_DepthMap`, tiremap.timestamp AS tiremap_timestamp, workreference.`aMap` AS `workreference_aMap`, workreference.`bMap` AS `workreference_bMap`, tirework.`RO` AS `tirework_RO`, tirework.location AS tirework_location, tirework.mileage AS tirework_mileage, tirework.`mechanicCode` AS `tirework_mechanicCode`, tirework.`partNumber` AS `tirework_partNumber`, tirework.`historyID` AS `tirework_historyID`, tirework.workmap AS tirework_workmap, tirework.timestamp AS tirework_timestamp FROM equipment, tiremap, workreference, tirework WHERE equipment.tiremap = tiremap.`TireID` AND tiremap.`WorkMap` = workreference.`aMap` AND workreference.`bMap` = tirework.workmap LIMIT 5 and here is the EXPLAIN for it id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE equipment ALL tiremap 14079 1 SIMPLE tiremap ref PRIMARY,WorkMap,TireID,WorkMap_2 PRIMARY 52 tire.equipment.tiremap 3 1 SIMPLE workreference ref aMap,bMap aMap 52 tire.tiremap.WorkMap 1 1 SIMPLE tirework eq_ref NewIndex1 NewIndex1 52 tire.workreference.bMap 1

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  • Oracle vocabulary, what is the mysql/SQL Server equivalent of a database

    - by jeph perro
    Hi, I need some help with vocabulary, I don't use Oracle that often but I am familiar with MySQL and SQL Server. I have an application I need to upgrade and migrate, and part of the procedure to do that involves exporting to an XML file, allowing the installer to create new database tables, then import to the new database tables from the XML file. In Oracle, my database connection specifies a username, password, and an SID. Let's call the SID, "COMPANY-APPS". This SID contains tables belonging to several applications, each of which connects with a different user ( "WIKIUSER", "BUGUSER", "TIMETRACKERUSER" ). My question is: Can I re-use the same user to create the new tables ( with the same names ). In MySQL or SQL Server, I would create a new database and grant my user privileges to create tables in it. OR, do I need to create a new database user for my upgraded tables?

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  • Oracle vocabulary, what is the mysql/mssql equivalent of a database

    - by jeph perro
    Hi, I need some help with vocabulary, I don't use Oracle that often but I am familiar with MySQL and MSSQL. I have an application I need to upgrade and migrate, and part of the procedure to do that involves exporting to an XML, create new database tables, then populate the new database tables from the XML export. In Oracle, my database connection specifies a username, password, and an SID. This SID contains tables belonging to several applications. My question is: Can I re-use the same user to create the new tables ( with the same names ). In MySQL or MSSQL, I would create a new database and grant my user privileges to create tables in it. OR, do I need to create a new database user for my upgraded tables?

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  • storing session data in mysql using php is not retrieving the data properly from the tables.

    - by Ronedog
    I have a problem retrieving some data from the $_SESSION using php and mysql. I've commented out the line in php.ini that tells the server to use the "file" to store the session info so my database will be used. I have a class that I use to write the information to the database and its working fine. When the user passes their credentials the class gets instantiated and the $_SESSION vars get set, then the user gets redirected to the index page. The index.php page includes the file where the db session class is, which when instantiated calles session_start() and the session variables should be in $_SESSION, but when I do var_dump($_SESSION) there is nothing in the array. However, when I look at the data in mysql, all the session information is in there. Its acting like session_start() has not been called, but by instantiating the class it is. Any idea what could be wrong? Here's the HTML: <?php include_once "classes/phpsessions_db/class.dbsession.php"; //used for sessions var_dump($_SESSION); ?> <html> . . . </html> Here's the dbsession class: <?php error_reporting(E_ALL); class dbSession { function dbSession($gc_maxlifetime = "", $gc_probability = "", $gc_divisor = "") { // if $gc_maxlifetime is specified and is an integer number if ($gc_maxlifetime != "" && is_integer($gc_maxlifetime)) { // set the new value @ini_set('session.gc_maxlifetime', $gc_maxlifetime); } // if $gc_probability is specified and is an integer number if ($gc_probability != "" && is_integer($gc_probability)) { // set the new value @ini_set('session.gc_probability', $gc_probability); } // if $gc_divisor is specified and is an integer number if ($gc_divisor != "" && is_integer($gc_divisor)) { // set the new value @ini_set('session.gc_divisor', $gc_divisor); } // get session lifetime $this->sessionLifetime = ini_get("session.gc_maxlifetime"); //Added by AARON. cancel the session's auto start,important, without this the session var's don't show up on next pg. session_write_close(); // register the new handler session_set_save_handler( array(&$this, 'open'), array(&$this, 'close'), array(&$this, 'read'), array(&$this, 'write'), array(&$this, 'destroy'), array(&$this, 'gc') ); register_shutdown_function('session_write_close'); // start the session @session_start(); } function stop() { $new_sess_id = $this->regenerate_id(true); session_unset(); session_destroy(); return $new_sess_id; } function regenerate_id($return_val=false) { // saves the old session's id $oldSessionID = session_id(); // regenerates the id // this function will create a new session, with a new id and containing the data from the old session // but will not delete the old session session_regenerate_id(); // because the session_regenerate_id() function does not delete the old session, // we have to delete it manually //$this->destroy($oldSessionID); //ADDED by aaron // returns the new session id if($return_val) { return session_id(); } } function open($save_path, $session_name) { // global $gf; // $gf->debug_this($gf, "GF: Opening Session"); // change the next values to match the setting of your mySQL database $mySQLHost = "localhost"; $mySQLUsername = "user"; $mySQLPassword = "pass"; $mySQLDatabase = "sessions"; $link = mysql_connect($mySQLHost, $mySQLUsername, $mySQLPassword); if (!$link) { die ("Could not connect to database!"); } $dbc = mysql_select_db($mySQLDatabase, $link); if (!$dbc) { die ("Could not select database!"); } return true; } function close() { mysql_close(); return true; } function read($session_id) { $result = @mysql_query(" SELECT session_data FROM session_data WHERE session_id = '".$session_id."' AND http_user_agent = '".$_SERVER["HTTP_USER_AGENT"]."' AND session_expire > '".time()."' "); // if anything was found if (is_resource($result) && @mysql_num_rows($result) > 0) { // return found data $fields = @mysql_fetch_assoc($result); // don't bother with the unserialization - PHP handles this automatically return unserialize($fields["session_data"]); } // if there was an error return an empty string - this HAS to be an empty string return ""; } function write($session_id, $session_data) { // global $gf; // first checks if there is a session with this id $result = @mysql_query(" SELECT * FROM session_data WHERE session_id = '".$session_id."' "); // if there is if (@mysql_num_rows($result) > 0) { // update the existing session's data // and set new expiry time $result = @mysql_query(" UPDATE session_data SET session_data = '".serialize($session_data)."', session_expire = '".(time() + $this->sessionLifetime)."' WHERE session_id = '".$session_id."' "); // if anything happened if (@mysql_affected_rows()) { // return true return true; } } else // if this session id is not in the database { // $gf->debug_this($gf, "inside dbSession, trying to write to db because session id was NOT in db"); $sql = " INSERT INTO session_data ( session_id, http_user_agent, session_data, session_expire ) VALUES ( '".serialize($session_id)."', '".$_SERVER["HTTP_USER_AGENT"]."', '".$session_data."', '".(time() + $this->sessionLifetime)."' ) "; // insert a new record $result = @mysql_query($sql); // if anything happened if (@mysql_affected_rows()) { // return an empty string return ""; } } // if something went wrong, return false return false; } function destroy($session_id) { // deletes the current session id from the database $result = @mysql_query(" DELETE FROM session_data WHERE session_id = '".$session_id."' "); // if anything happened if (@mysql_affected_rows()) { // return true return true; } // if something went wrong, return false return false; } function gc($maxlifetime) { // it deletes expired sessions from database $result = @mysql_query(" DELETE FROM session_data WHERE session_expire < '".(time() - $maxlifetime)."' "); } } //End of Class $session = new dbsession(); ?>

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  • Database with users design

    - by 1110
    I am in database design development phase. Application will work with large number of users (LARGE :)) I designed 80% of database but I have one Users table which is connected to everything else: Users {UserId, FirstName, LastName, Username, Password, PasswordQuestion, PasswordAnswer, Gender, RoleId, LastLoginDate etc etc} I saw asp.net membership database structure where Users and Membership are two tables. My questions are: Should I use one users table with all users data in it or more tables? If answer is 'more tables', what tables to use? Any advice on how to structure relation between those tables? This is sample relation that I have, and trying to improve. I don't understand why user and userChild are separated tables?

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  • Complex Rails queries across multiple tables, unions, and will_paginate. Solved.

    - by uberllama
    Hi folks. I've been working on a complex "user feed" type of functionality for a while now, and after experimenting with various union plugins, hacking named scopes, and brute force, have arrived at a solution I'm happy with. S.O. has been hugely helpful for me, so I thought I'd post it here in hopes that it might help others and also to get feedback -- it's very possible that I worked on this so long that I walked down an unnecessarily complicated road. For the sake of my example, I'll use users, groups, and articles. A user can follow other users to get a feed of their articles. They can also join groups and get a feed of articles that have been added to those groups. What I needed was a combined, pageable feed of distinct articles from a user's contacts and groups. Let's begin. user.rb has_many :articles has_many :contacts has_many :contacted_users, :through => :contacts has_many :memberships has_many :groups, :through => :memberships contact.rb belongs_to :user belongs_to :contacted_user, :class_name => "User", :foreign_key => "contacted_user_id" article.rb belongs_to :user has_many :submissions has_many :groups, :through => :submissions group.rb has_many :memberships has_many :users, :through => :memberships has_many :submissions has_many :articles, :through => :submissions Those are the basic models that define my relationships. Now, I add two named scopes to the Article model so that I can get separate feeds of both contact articles and group articles should I desire. article.rb # Get all articles by user's contacts named_scope :by_contacts, lambda {|user| {:joins => "inner join contacts on articles.user_id = contacts.contacted_user_id", :conditions => ["articles.published = 1 and contacts.user_id = ?", user.id]} } # Get all articles in user's groups. This does an additional query to get the user's group IDs, then uses those in an IN clause named_scope :by_groups, lambda {|user| {:select => "DISTINCT articles.*", :joins => :submissions, :conditions => {:submissions => {:group_id => user.group_ids}}} } Now I have to create a method that will provide a UNION of these two feeds into one. Since I'm using Rails 2.3.5, I have to use the construct_finder_sql method to render a scope into its base sql. In Rails 3.0, I could use the to_sql method. user.rb def feed "(#{Article.by_groups(self).send(:construct_finder_sql,{})}) UNION (#{Article.by_contacts(self).send(:construct_finder_sql,{})})" end And finally, I can now call this method and paginate it from my controller using will_paginate's paginate_by_sql method. HomeController.rb @articles = Article.paginate_by_sql(current_user.feed, :page => 1) And we're done! It may seem simple now, but it was a lot of work getting there. Feedback is always appreciated. In particular, it would be great to get away from some of the raw sql hacking. Cheers.

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  • Free tools/libraries to compare tables with filtering for SQL Server 2008 and visualize/sync diffs t

    - by MicMit
    I am building certain GUI in C# for a content manager and looking for the tools or code snippets or open libraries ( code ideally in C# ) which allow me the following : 1. For table A in database X (test ) and table A in database Y (production) and for a simple filter ( e.g. listname = "XYZ" ) I need to show additions/deletions/updates in some way. which might be side-by-side or just html report 2 record added html table with some fields 2 record deleted html table with some fields Considering that this task is very common, I guess, certain components should exist ? Components either return some collections from parameters given for further visualizing or just produce reports mentioned above. 2. I need to push changes for the filter I mentioned in 1 and update table in production database for this filter only ( ie for the particular list approved by content person). Again probably there are certain SQL code generators - components in addition to diffs or standalone. 3. The key thing tools/libraries - should be suitable for integration with the existing application in C#.

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  • How do I fix the issue with tables in xsl-fo, please help...

    - by atrueguy
    <?xml version="1.0" encoding="ISO-8859-1"?> <?xml:stylesheet type="text/xsl" href="currency.xslt"?> <currencylist> <title>Currencies By Country</title> <countries> <country>Australia</country> <currency>Australian Dollar</currency> </countries> <countries> <country>Austria</country> <currency>Schilling</currency> </countries> <countries> <country>Belgium</country> <currency>Belgium Franc</currency> </countries> <countries> <country>Canada</country> <currency>Canadian Dollar</currency> </countries> <countries> <country>England</country> <currency>Pound</currency> </countries> <countries> <country>Fiji</country> <currency>Fijian Dollar</currency> </countries> <countries> <country>France</country> <currency>Franc</currency> </countries> <countries> <country>Germany</country> <currency>DMark</currency> </countries> <countries> <country>Hong Kong</country> <currency>Hong Kong Dollar</currency> </countries> <countries> <country>Italy</country> <currency>Lira</currency> </countries> <countries> <country>Japan</country> <currency>Yen</currency> </countries> <countries> <country>Netherlands</country> <currency>Guilder</currency> </countries> <countries> <country>Switzerland</country> <currency>SFranc</currency> </countries> <countries> <country>USA</country> <currency>Dollar</currency> </countries> </currencylist> This is my exact xml code. I have written a xsl-fo for this xml file and I am failing to produce the output in a table. please check and help me in this. ASAP. <?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> <fo:layout-master-set> <fo:simple-page-master master-name="Letter" page-height="11in" page-width="8.5in"> <fo:region-body region-name="only_region" margin="1in" background-color="#CCCCCC"/> </fo:simple-page-master> </fo:layout-master-set> <fo:page-sequence master-reference="Letter"> <fo:flow flow-name="only_region"> <fo:block text-align="left"><xsl:call-template name="show_title"/></fo:block> <fo:table-and-caption> <fo:table> <fo:table-column column-width="25mm"/> <fo:table-column column-width="25mm"/> <fo:table-column column-width="25mm"/> <fo:table-header> <fo:table-row> <fo:table-cell> <fo:block font-weight="bold">SI No</fo:block> </fo:table-cell> <fo:table-cell> <fo:block font-weight="bold">Country</fo:block> </fo:table-cell> <fo:table-cell> <fo:block font-weight="bold">Currency</fo:block> </fo:table-cell> </fo:table-row> </fo:table-header> <fo:table-body> <fo:table-row> <fo:table-cell> <fo:block><xsl:call-template name="select_position"/></fo:block> </fo:table-cell> <fo:table-cell> <fo:block><xsl:call-template name="select_country"/></fo:block> </fo:table-cell> <fo:table-cell> <fo:block><xsl:call-template name="select_currency"/></fo:block> </fo:table-cell> </fo:table-row> </fo:table-body> </fo:table> </fo:table-and-caption> </fo:flow> </fo:page-sequence> </fo:root> </xsl:template> <xsl:template name="show_title" match="currencylist"> <h2><xsl:value-of select="currencylist/title"/></h2> </xsl:template> <xsl:template name="select_position" match="currencylist"> <xsl:for-each select="currencylist/countries"> <xsl:value-of select="position()"/> </xsl:for-each> </xsl:template> <xsl:template name="select_country" match="currencylist"> <xsl:for-each select="currencylist/countries"> <xsl:value-of select="country"/> </xsl:for-each> </xsl:template> <xsl:template name="select_currency" match="currencylist"> <xsl:for-each select="currencylist/countries"> <xsl:value-of select="currency"/> </xsl:for-each> </xsl:template> </xsl:stylesheet> Kindly help me out in this to produce a output in the table.

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  • Help need to with MySQL query to join data spanning multiple tables and use data as column names

    - by gurun8
    I need a little help putting together a SQL query that will give me the following resultsets: and The data model looks like this: The tricky part for me is that the columns to the right of the "Product" in the resultset aren't really columns in the database but rather key/value pairs spanned across the data model. Table data is as follows: My apologies in advance for the image heavy question and the image quality. This just seemed like the easiest way to convey the information. It'll probably take someone less time to write the query statement to achieve the results than it did for me to assemble this question. By the way, the "product_option" table image is truncated but it illustrated the general idea of the data structure. The MySQL server version is 5.1.45.

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  • how to add a entry to tables with relationships?

    - by siulamvictor
    I have 2 models, Users & Accounts. They are in one-to-many relationship, i.e. each accounts have many users. Accounts company_id company_name company_website Users user_id user_name password company_id email How can I add these entries to database using ActiveRecord? Supposed I don't is the company existed in the database when I add a new entry. Name Email Password Company ----------------------------------------------------------------------------- Albert [email protected] 123456 ABC Company Betty [email protected] 234567 ABC Company Carmen [email protected] 765432 XXX Company David [email protected] 654321 ABC Company

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  • plupload variable upload path?

    - by SoulieBaby
    Hi all, I'm using plupload to upload files to my server (http://www.plupload.com/index.php), however I wanted to know if there was any way of making the upload path variable. Basically I need to select the upload path folder first, then choose the files using plupload and then upload to the initially selected folder. I've tried a few different ways but I can't seem to pass along the variable folder path to the upload.php file. I'm using the flash version of plupload. If someone could help me out, that would be fantastic!! :) Here's my plupload jquery: jQuery.noConflict(); jQuery(document).ready(function() { jQuery("#flash_uploader").pluploadQueue({ // General settings runtimes: 'flash', url: '/assets/upload/upload.php', max_file_size: '10mb', chunk_size: '1mb', unique_names: false, // Resize images on clientside if we can resize: {width: 500, height: 350, quality: 100}, // Flash settings flash_swf_url: '/assets/upload/flash/plupload.flash.swf' }); }); And here's the upload.php file: <?php /** * upload.php * * Copyright 2009, Moxiecode Systems AB * Released under GPL License. * * License: http://www.plupload.com/license * Contributing: http://www.plupload.com/contributing */ // HTTP headers for no cache etc header('Content-type: text/plain; charset=UTF-8'); header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); // Settings $targetDir = $_SERVER['DOCUMENT_ROOT']."/tmp/uploads"; //temp directory <- need these to be variable $finalDir = $_SERVER['DOCUMENT_ROOT']."/tmp/uploads2"; //final directory <- need these to be variable $cleanupTargetDir = true; // Remove old files $maxFileAge = 60 * 60; // Temp file age in seconds // 5 minutes execution time @set_time_limit(5 * 60); // usleep(5000); // Get parameters $chunk = isset($_REQUEST["chunk"]) ? $_REQUEST["chunk"] : 0; $chunks = isset($_REQUEST["chunks"]) ? $_REQUEST["chunks"] : 0; $fileName = isset($_REQUEST["name"]) ? $_REQUEST["name"] : ''; // Clean the fileName for security reasons $fileName = preg_replace('/[^\w\._]+/', '', $fileName); // Create target dir if (!file_exists($targetDir)) @mkdir($targetDir); // Remove old temp files if (is_dir($targetDir) && ($dir = opendir($targetDir))) { while (($file = readdir($dir)) !== false) { $filePath = $targetDir . DIRECTORY_SEPARATOR . $file; // Remove temp files if they are older than the max age if (preg_match('/\\.tmp$/', $file) && (filemtime($filePath) < time() - $maxFileAge)) @unlink($filePath); } closedir($dir); } else die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}'); // Look for the content type header if (isset($_SERVER["HTTP_CONTENT_TYPE"])) $contentType = $_SERVER["HTTP_CONTENT_TYPE"]; if (isset($_SERVER["CONTENT_TYPE"])) $contentType = $_SERVER["CONTENT_TYPE"]; if (strpos($contentType, "multipart") !== false) { if (isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) { // Open temp file $out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab"); if ($out) { // Read binary input stream and append it to temp file $in = fopen($_FILES['file']['tmp_name'], "rb"); if ($in) { while ($buff = fread($in, 4096)) fwrite($out, $buff); } else die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); fclose($out); unlink($_FILES['file']['tmp_name']); } else die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}'); } else die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}'); } else { // Open temp file $out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab"); if ($out) { // Read binary input stream and append it to temp file $in = fopen("php://input", "rb"); if ($in) { while ($buff = fread($in, 4096)){ fwrite($out, $buff); } } else die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); fclose($out); } else die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}'); } //Moves the file from $targetDir to $finalDir after receiving the final chunk if($chunk == ($chunks-1)){ rename($targetDir . DIRECTORY_SEPARATOR . $fileName, $finalDir . DIRECTORY_SEPARATOR . $fileName); } // Return JSON-RPC response die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}'); ?>

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  • Will MyISAM type tables work better than InnoDB for large numbers of columns?

    - by Ethan
    I have a MySQL InnoDB table with 238 columns. 56 of them are TEXT type, 27 are VARCHAR(255). I am getting MySQL error 139 when users insert data sometimes. After research I found that I'm probably running into InnoDB row size/column size/column count limitations. (I'm putting it that way because the specific limits among those three things are interdependent.) Docs on InnoDB give an idea of the limits. If I switch this table to MyISAM is it likely to solve the problem? I understand the maximum row size of 65,535 bytes. I think I'm hitting InnoDB's additional 8000 byte limit somehow. Switching to PostgreSQL is also a remote option, but would take much longer.

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  • SubSonic error: db.tables with a ~ in the name result in a "Character is not valid" error

    - by Steven
    I renamed a database table and added a ~ character to the table name (my way of notifying it is a backup of something). After generating the SubSonic files, my Visual Studio gives a "Character not valid" error on file "AllStructs.vb" When looking into this file the following line of code was generated; Public Shared ReadOnly DbTable1~old As String = "dbtable1~old". I assume this character has to be filtered out of the db.table names when generating the SubSonic names?

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  • Help needed with MySQL query to join data spanning multiple tables with data used as column names

    - by gurun8
    I need a little help putting together a SQL query that will give me the following resultsets: and The data model looks like this: The tricky part for me is that the columns to the right of the "Product" in the resultset aren't really columns in the database but rather key/value pairs spanned across the data model. Table data is as follows: My apologies in advance for the image heavy question and the image quality. This just seemed like the easiest way to convey the information. It'll probably take someone less time to write the query statement to achieve the results than it did for me to assemble this question. By the way, the "product_option" table image is truncated but it illustrated the general idea of the data structure. The MySQL server version is 5.1.45.

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  • How to create sleek customized buttons, tables and other views for iPhone/iPad apps?

    - by wgpubs
    I'm looking to know both what can be customized as well as the recommended way to customize some of the major UIView subclasses in the iPhone SDK (in particular UIButton, UITableView/Cell ... but really open to any of the views in the SDK). Any recommended tutorials? Examples? Are there bad practices that can actually hinder performance and/or destablize your app in any way that should be avoided? Thanks

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  • What's a reasonable number of rows and tables to be able to join in MySQL?

    - by Philip Brocoum
    I have one table that maps locations to postal codes. For example, New York State has about 2000 postal codes. I have another table that maps mail to the postal codes it was sent to, but this table has about 5 million rows. I want to find all the mail that was sent to New York State, which seems simple enough, but the query is unbelievably slow. I haven't been able to even wait long enough for it to finish. Is the problem that there are 5 million rows? I can't help but think that 5 million shouldn't be such a large number for a computer these days... Oh, and everything is indexed. Is SQL just not designed to handle such large joins?

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  • Can I join two tables whereby the joined table is sorted by a certain column?

    - by Ferdy
    I'm not much of a database guru so I need some help on a query I'm working on. In my photo community project I want to richly visualize tags by not only showing the tag name and counter (# of images inside them), I also want to show a thumb of the most popular image inside the tag (most karma). The table setup is as follow: Image table holds basic image metadata, important is the karma field Imagefile table holds multiple entries per image, one for each format Tag table holds tag definitions Tag_map table maps tags to images In my usual trial and error query authoring I have come this far: SELECT * FROM (SELECT tag.name, tag.id, COUNT(tag_map.tag_id) as cnt FROM tag INNER JOIN tag_map ON (tag.id = tag_map.tag_id) INNER JOIN image ON tag_map.image_id = image.id INNER JOIN imagefile on image.id = imagefile.image_id WHERE imagefile.type = 'smallthumb' GROUP BY tag.name ORDER BY cnt DESC) as T1 WHERE cnt > 0 ORDER BY cnt DESC [column clause of inner query snipped for the sake of simplicity] This query gives me somewhat what I need. The outer query makes sure that only tags are returned for which there is at least 1 image. The inner query returns the tag details, such as its name, count (# of images) and the thumb. In addition, I can sort the inner query as I want (by most images, alphabetically, most recent, etc) So far so good. The problem however is that this query does not match the most popular image (most karma) of the tag, it seems to always take the most recent one in the tag. How can I make sure that the most popular image is matched with the tag?

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  • How to add Ajax validation in a master where I have fields for other tables based on jqrelcopy?

    - by AravindRaj
    In a master page(_form) I want to save three fields drop down text box Option list and if a certain option from the option list is selected I need a JQrelcopy to appear and the user can add many values using JQrelcopy. The values, which are stored in JQrelcopy has to be saved in some other table. Now the problem is I want to give AJAX validation like the field cannot be blank, Only alphabetical characters are allowed for the fields which are inserted through JQrelcopy. I thought about creating a scenario, but I can't get it right

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