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MySQL is a database system used by many websites on the Internet. Joomla is based on PHP and MySQL.

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Joomla login issue after xampp upgrade mysql to mariadb

I have shifted my Joomla 3 site to another drive on a local windows server, performed some tweaks and everything went okay, but I am unable to login to the Joomla administrator account. This issue is ...
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1answer
56 views

How to access user-submitted values from a dynamic form?

I want to insert a row in my db-table with inputs from users. The form the users fill out is made with a foreach-loop: foreach ($results as $row) { echo '<div class="vm_kampe"><input ...
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2answers
89 views

How to generate missing column data using a reformatted substring of another column?

Due to a process issue (i.e. client not following instructions) I have over 900 urls with missing aliases in a mosets tree table. If possible I would like to create an SQL query that will generate ...
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15 views

Component SQL install script works in phpMyAdmin not in script

I have an install sql script for my component which works fine standalone but not when it is run during the component installation process. (in file sql/install.mysql.utf8.sql) I am adding a column (...
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2answers
23 views

How to re-write sql for joomla JDatabase

I am new to custom Joomla coding so excuse me for this, I want to execute the following statement: "SELECT MAX(CASE WHEN v.FieldName = 'Team_Name' THEN v.FieldValue END) 'Team_Name' , MAX(...
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1answer
26 views

Use one pdo connection across multiple modules?

I have multiple modules on the same page that are individually connecting to the same external database through pdo connections. The website is getting slower since I added more modules. My guess is ...
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2answers
92 views

Check if INSERT query was successful or failed because of a duplicate UNIQUE KEY

I have a db-table called league where the mail column is the unique id: |name |mail | |Bryan|bryan@hotmail.com | I have a frontend where users can sign up and then I have this for ...
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2answers
64 views

Rows with same id in same div

I have a db-table called vm_kupon. It looks a little like this: |id |uid |bet | |1 |20 |1 | |2 |20 |2 | |1 |21 |X | |2 |21 |1 | |1 |22 |X | |2 |22 |X | I ...
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1answer
33 views

Query gives a single value when two columns in SELECT clause

I do have a database connection earlier in the script. $db = JFactory::getDbo(); Here's the query code: $albumartistidquery = $db->getQuery(true); $albumartistidquery->select($db->...
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1answer
72 views

What is the prefered method for sharing code and SQL queries in joomla 3.9+?

I'm developing a component that is targeting Joomla 3.9+. The code is not using the legacy classes and is instead using the new namespaces. The component will duplicate much of the functionality from ...
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1answer
55 views

Php-sql result in joomla displayed in question marks

I have a simple sql query, in a joomla php server, rs forms pro. The result contains Greek characters. However, the result is displayed in question marks. $sql = "SELECT `FieldValue` FROM `table` ...
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2answers
35 views

Update multiple columns with plus 1

I have a website for my footballteam. I have some statistics and so on in there, fx how many games each player has played and so on. What I would like, is for me to write in the names of every player ...
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1answer
141 views

SQL Injections using Jfactory::getDBO and setQuery()

$db = JFactory::getDBO(); $searchP = JRequest::getVar('key'); $sql = "SELECT name FROM people LIKE " . "'%" . $searchP . "%'"; $db->setQuery($sql); $fileR = $db->loadObjectList(); Will ...
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2answers
43 views

How to Use IN Clause in Joomla Query

I am trying to select records where a column is in a suggested list if values using the IN clause. I have tried the query below but the system is not working. $db = JFactory::getDbo(); $...
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1answer
89 views

Update specific row in FOREACH loop

I've tried and tried, but I can't get this to work. I use Joomla and I have 2 articles/pages, one for edit and one for posting the form. I have a database with all the matches for the World Cup coming ...
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0answers
45 views

passing an array from view to controller to model

I have a component made with Component Creator. I am trying to form an array in the view, pass that array through the controller to the model, and save it to the database via a function in the model. ...
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2answers
81 views

Multiple primary key defined error when installing Jomestate plugin

I have Joomla 3.8.5 stable version. The code I am tring to execute is: Pastebin SQL code (I am tring to install the JOMESTATE plugin) I get the following error: JInstaller: :Install: Error SQL ...
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1answer
132 views

SQL WHERE clause with a variable (current article ID)

I am trying to do a simple calculation on two Joomla custom fields in a module. I get the article ID as a variable and want to put this in the WHERE clause to get the right custom field value. Have ...
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2answers
69 views

Localize output of SQL query

I make a query directly on the database like this: SELECT title,id, DATE_FORMAT(publish_up, "%d %M %Y") AS 'GEORGE' FROM #__k2_items WHERE published=1 AND trash=0 AND created_by=[id] ORDER BY ...
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1answer
21 views

Copy users from one Joomla db to a slightly newer one

Assuming I have an earlier copy of a Joomla database can I simply copy the jos_users, jos_userkeys, jos_usernotes, jos_userprofiles and jos_usergroup_map tables to a newer copy of the database - by ...
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1answer
119 views

How can I save multiple dynamic values using check boxes?

I have a form which fetches and displays data from two databases (sessions, students) and allows a curriculum manager to select different combinations of students and classes by clicking check boxes. ...
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1answer
133 views

Restore deleted user

I have a Joomla system (v3.8) which is running well. Unfortunately, however, one of our administrator user record has accidentally been deleted. I need to restore it because we're now getting errors ...
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1answer
44 views

Why my code doesn't work?

I am using the following code: $db = JFactory::getDBO(); $query = $db->getQuery(true); $query->select('name') ->from ('#__gruposlocales'); $query-> where('latitudX = ' . (int) $lat); $...
2
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1answer
103 views

How can I translate SQL code into something that Joomla will take?

I am in the same case discussed on https://stackoverflow.com/questions/11709043/mysql-update-column-with-value-from-another-table, that is, I need to copy the value of a column from tableA to tableB ...
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1answer
30 views

What's the proper chaining for WHERE

This statement works: $query = " SELECT COUNT(*) FROM " . $this->s_createtableName . " WHERE tm BETWEEN UNIX_TIMESTAMP(DATE(NOW())) AND UNIX_TIMESTAMP(DATE(NOW()) + INTERVAL 1 DAY)"; In ...
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2answers
28 views

How to get banners clients when exists banners with this client?

I need to retrieve the banners_clients data only when exists banners for this client id: Example: banner one - client id 1 banner two - client id 1 banner three - client id 4 client id 1 - name ...
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1answer
54 views

Calling a Model's Method from View [duplicate]

I have a function in my model to sum several columns of a table. public static function get_sums() { // Create a new query object. $db = $this->getDbo(); $query = $...
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0answers
82 views

making component,data not saving

Good day to all. I create my first component, for internal needs. up to a certain stage, the data was stored in a database, but then I decided to split the functionality a bit according to different ...
2
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3answers
65 views

Button to execute a mysql query

I made a mysql query that will copy 3 columns of data from one table to another: INSERT INTO eio3k_hikers (link_id, link_name, user_id) SELECT link_id, link_name, user_id FROM eio3k_mt_links where ...
3
votes
2answers
40 views

Joomla plugin to override table prefix

Overview: I have a single Joomla website that have various copies of the database tables all in the same database, but with different table prefixes. Depending on which user is accessing the site, i ...
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1answer
244 views

Fabrik Cross database joins

I have two separate databases with the same credentials: in db1.table1 there is a column containing filepaths that I need to update with a filename that is stored in db2.table2 and that I can retrieve ...
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1answer
134 views

How to debug a 500 can't load error?

I have moved a website running joomla from my old VPS to my own server. The server is working fine, other sites are loading. However, this joomla site doesn't load. Please can someone explain what ...
1
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1answer
51 views

Why my custom query only returns one result?

$dbwsk = JFactory::getDBO(); $querywsk = "SELECT `title` FROM `#__content` WHERE 1"; $dbwsk->setQuery($querywsk); $rowswsk = $dbwsk->loadResult(); var_dump($rowswsk); I've been working and ...
0
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1answer
85 views

Join two list views without a shared key

I have a front end list view for a table called #_students and a separate front end list view for a table called #_sessions. The two tables have no shared foreign key and the two data sets are ...
1
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1answer
184 views

Retrieve article URL from phpMyAdmin

I am migrating a site from Joomla to WordPress. The migration tool didn't setup redirects for the old urls so I'm planning to write something to do them for me. I need a way to output all the current ...
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3answers
317 views

Insert query with ignore of duplicates (without key)

I have a query: $query_add_analogue ->insert($db->quoteName('#__parts_analogues')) ->columns($db->quoteName($columns)) ->values($value); $db->setQuery($query_add_analogue); $...
2
votes
1answer
252 views

Accessing current users custom field

I´ve added a custom users field (called "test"). Now I want to call the value of this custom field for the current user who is logged in. In the mysql databse I see the custom field under _fields. So ...
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1answer
43 views

Can I insert custom attribute information into the MySQL content table?

I'd like to be able to give each article an additional attribute. Not sure if I can use the columns that exist in #_content. I'm concerned any modifications I do will be overwritten or cause errors. ...
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1answer
51 views

Random token in DB on each login

I'm looking to somehow add a "token" on login and temperately store it in the database (same as table *_users) until next login (important). I have a game of sorts that uses a selected user and ...
2
votes
1answer
189 views

Correct ways to verify update query is successful under conditions

I was trying to find out correct ways to verify db update query is successful but some problems i am fetching. Even if update query($db->execute()) is not done/row does not exists.... but it ...
1
vote
1answer
94 views

MySQL Query to show images

I want to show up to 3 images that are assigned to the logged in user in a database table. I have written the following MySQL query: $db = JFactory::getDBO(); //GET GALLEERY IMAGES $query ...
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vote
1answer
48 views

Component SQL Updates Not Running

I have been troubleshooting this all morning and am stuck. Hoping someone can help. Using Joomla! 3.7.0. I have a component that contains a number of MySQL update files. These files have been working ...
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1answer
193 views

filter db by a single date - how to hack the standard calendar form field

I used component-creator.com to build a component. The component has a table with a date field and a frontend view which shows the contents of the table with a filter which can show the items between ...
4
votes
1answer
88 views

SQL syntax error when attempting to filter list view - how to build WHERE clause?

I built a Joomla component for a school using component-creator.com and now I am trying to modify the source files. My current view lists off all parents and students in my database, visible to all ...
3
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1answer
277 views

Where query in Joomla component - what file do I edit?

Okay, so I am completely new to Joomla and I am trying to edit the source files of a component I built using component-creator.com. I have a database which stores different data for multiple ...
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0answers
83 views

Joomla query for monthly result in a graph

I have this query below and it gives me the result attached as result.jpg, but I want to generate the report on a monthly basis. I have attached the expected result as monthly.jpg <td> <...
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2answers
188 views

Select+Checkboxes fields = query a Database

I want to make a form which contains one select field (dates) and multiple checkbox fields (teams), so when I select a date or choose a team, automatically makes a query a database, filtering by the ...
3
votes
1answer
294 views

JDatabase, SQL statement template

Is there a way to use a statement template, like by Hibernate HQL? SQLQuery sql=s.createSQLQuery("SELECT AVG(RATING) as r, COUNT(*) as c FROM RATINGS WHERE ADVENTURE_ID = ?"); sql.setParameter(0, ...
3
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2answers
492 views

Copy partial site content from old site to new site

I am trying to copy content from an old joomla instance to a new joomla instance. We archived the old site and created a completely new site with the same version of joomla both sites are at 3.6.4. ...
1
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1answer
37 views

Mysql Error 1273 when moving DB from dev to live server

So, I recently updated to version 3.6.5. I initially tested the update on a test server before moving the update to my live server. The issue I'm running into is Mysql 1273 Error CREATE TABLE `...