Questions tagged [sql]

Structured Query Language (SQL) is a language for querying databases.

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2answers
44 views

How to display specific K2 extra field of current item with k2 tool module

I am trying to display specific extra field values of a specific item with the K2 tool module. I have tried to get just BRAND, but I'm getting stdClass::brand() error. $db = JFactory::getDBO(); $...
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0answers
17 views

Using the SQL `Delimiter` statement in component update

For the next version of my component I need split some data into different tables, which requires some rather more complex SQL than I would usually use. The problem is that there doesn't seem to be a ...
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1answer
28 views

Where to find article page title in database?

When managing an article, there is a "Browser Page Title" field in article options tab. It's the last field in the tab, just below the "Read More Text". Why it's not in the publishing tab makes no ...
2
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2answers
51 views

How to apply aliases in SELECT clause when two columns from JOINed tables have the same name?

I am trying to build a gamelist, right now I'm struggling getting the detailed team information. #__game id team_home team_guest 1 1 2 2 2 3 #__team id ...
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3answers
116 views

How to add the current user's user id in query of a custom field for a plugin?

If I hardwire a created_by clause in a joomla sql custom field, the query works as it should (for this specific userid the clause is, and created_by = 305): SELECT id AS value, title AS text FROM #...
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2answers
37 views

Unable to update NULL via updateObject

We got 2 tables where one table is parent and another table as a child with primary and foreign key reference. Assume table1 is the parent and table2 is the child as below. table1: id <- ...
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2answers
47 views

Joomla 3.x insert query attempts don't work as desired

Needing a little help to point me to the issue. I am building a component and need to insert a row into the Joomla DB. This line works, but I have to create the table name myself and I'd rather use ...
1
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1answer
56 views

How to collect multi-row data from #__fields_values and assign specific aliases for each value in the result set?

I have the following (working) query to get name, username and the value of a custom field: // Get a db connection. $db = JFactory::getDbo(); // Create a new query object. $query = $db->getQuery(...
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1answer
56 views

Is it possible to edit the SQL custom field to be multi-select?

I want to be able to select multiple values with the SQL custom field. Is this possible? When I use a query which as multiple results, I can only pick one. I found this post: Creating custom field ...
4
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1answer
83 views

(RuntimeException $e) vs (JDatabaseExceptionExecuting $e) for SQL exception handling

Through out the current version of Joomla (3.9.6) I find a mixture of ways that SQL exceptions are handled and I was wondering if anyone could give me some definitive situations where one should be ...
3
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1answer
90 views

Issues to be aware of when calling `concatenate()`, `regexp()`, `rand()`, and `castAsChar()` in sql queries

I'm taking it upon myself to become aware of some of the lesser known/used query methods because I like toying with MySQL and I want to implement Joomla calls when possible/sensible -- because they ...
0
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1answer
123 views

Use the “sql” form field type in extension xml only if the table exists

I developed a plugin for Joomla!, and I have the below sql parameter field in my sampleplugin.xml <field name="cb_fields" type="sql" label="Select CB fields" query="SELECT name ...
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1answer
91 views

Bulk delete disabled k2 users Joomla 2.5

I have thousands of spam users. I use K2 and I would want to delete them from "k2_users" and from "users". I want to delete the blocked ones. I have tried deleting K2_users from the admin, but it does ...
0
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2answers
120 views

Ordering Joomla menus in code

I am trying to order jos_menu items by the order in which they appear on the menu. In other words, I am using jdatabase sql queries to fetch menu objects then iterate through them to display them. I ...
1
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1answer
149 views

How to construct a JOIN query with Joomla's query methods?

I'm really new to SQL queries but now stuck with this one. I need the first and last name of a user from table #__comprofiler where their cb_job_role = 'Team Leader' and their cb_service_name = [the ...
2
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2answers
208 views

How to query certain rows from a table based on other associated rows in the same table?

I'm trying to query my jos_rsform_submission_values table for FieldValue data in rows with a FieldName of Container# which shares a SubmissionId with another row where the FieldValue is "Pending" and ...
2
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3answers
72 views

Confusion about using two select() method calls in one query

I am using Joomla's JDatabaseQuery methods to select some columns from two joined tables, but I don't understand something about the following snippet. //Initialize variables. $db = JFactory::getDbo()...
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1answer
252 views

Delete row from custom made SQL when deleting article in Joomla

I´m still new to Joomla and to coding SQL. I was thinking about how I should manage a big system I made with information that is saved in a sql table, that contains some user input and the "id" of an ...
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3answers
97 views

Convert PHP code to Jooma PHP syntax?

I'm running a query on phpmyadmin which has the "IN" function included. It is to extract data from the same column for different fields' (Waybill1, Waybill2 etc.) I shall post the SQL query below: ...
2
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2answers
50 views

What does sql_select=“e.*” do?

On https://docs.joomla.org/SQL_form_field_type it talks about using the SQL fields. I'm wondering what sql_select="e.*" does. I know that the star is a wildcard for everything. I'm just not sure ...
2
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1answer
164 views

Joomla Migrating Live Site To Localhost -Navigation Not Working

I just migrated a Joomla site from live to localhost. Have the front end up and can access the backend without problem. Front end wise none of the menu items work. I have renamed the live site ...
1
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1answer
164 views

Error when populating a database table while installing a module

I am using the following code for creating tables in my .sql file as part of a module. CREATE TABLE IF NOT EXISTS `#__gruposlocales` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(...
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1answer
484 views

How to SET a user-defined MySQL variable and increment it to produce ranking values with JDatabaseQuery?

I'm trying to write this query: SET @rownumber = 0; UPDATE #__hikers SET rank = (@rownumber:=@rownumber+1) ORDER BY score DESC; like JDatabaseQuery, but still got an error. Please help UPDATE: I ...
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1answer
233 views

How to select records one by one using JDatabaseQuery

In programming languages there are 2 patterns for selecting records from the database: //prepare SELECT statement while($record = $query->fetchRow()) { //do the job } And the second: //...
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1answer
57 views

Join two similar table SQL [closed]

In database it shows: -Table 1 data show discount_category_id as: 1 2 3 -Table 2 data show category_id as: ,1, ,2, ,3, So is anything wrong or any syntax error with my code because i tried print_r ...
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2answers
87 views

Rewriting code as per Joomla guide, but page showing 404 error

I am rewriting some old code according to the latest reference, although the page description is coming out correctly in the old code. But when rewritten into new code, the page is redirecting to ...
0
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1answer
176 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 ...
0
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1answer
382 views

Error: Incorrect table definition; there can be only one auto column and it must be defined as a key

I am trying to install joomla 3.7.5. I am facing an Error message: Error: Incorrect table definition; there can be only one auto column and it must be defined as a key The table '#...
1
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1answer
271 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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1answer
56 views

add text after value that is retrieving from SQL in php [closed]

This is the code that i retrieve data from sql in this case ¨Km¨ is added before value but i will ¨Km¨ after value .. example : now is like this : Km 129.000 but i will 129.000 km $insert1 =" /// ...
1
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1answer
176 views

Run Stored Procedure From Page Load

I have a html table that has a hyperlink in it, when the hyperlink is pressed 3 parameters are passed to a secondary page. The query that is run is a CTE SQL Server statement, and from my ...
2
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2answers
172 views

Transfer Joomla data from PHPMyAdmin SQL Dump

My friend's web page was created with Joomla (c. 2013), and she wants to transfer her site to a new host. Her current host sent her a SQL Dump generated by PHPMyAdmin, which contains what I assume is ...
1
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1answer
79 views

Adding a stand alone php (with sql queries built using mysql phpgenerator) to existing Joomla application

I am totally new to Joomla development in specific but have done good old prog days (C, Oracle, Sybase etc). So i use a Library software in Joomla and do all the installation, admin etc thing.. i want ...
0
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1answer
539 views

Joomla 3x sql field NOT Filtering on Change

I am using Joomla 3x sql field to filter between two select fields.. The problem is that the second field does not filter as expected. It is just populated with all the result and when I select a ...
0
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1answer
219 views

Dynamic component SQL parameter type

I'm looking to add a Component field which will display a list of Joomla users who have a relationship with current the Component item. Below is some sample XML where by I would like [current ...
5
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1answer
267 views

Joomla 3.6 How to migrate data from repeatable to subform

The new field type subform does not retrieve old data repeatable, even fields have the same names. I created many posts with repeatable. The data are stored in extra fields of com_conent. attribs ...
1
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4answers
14k views

The MySQL adapter mysqli is not available - how to resolve this issue?

My website www.EliteMaths.com.au has been active until early this week. When I tried to access it this morning I got the following error message: Error displaying the error page: Application ...
0
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1answer
345 views

Copy user data into custom table on user registration

upon creating a user in joomla i would need fields copied from jmla_users table to another jmla_new_users. jml_users - jmla_new_users with the following fields, (username,firstname,lastname,email) ...
0
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2answers
452 views

Joomla 3.4.8 Component SQL Update Not Working

As the title says I'm using joomla 3.4.8 I'm trying to customize the system component "com_content" what I want to do is to add an another columns on the '#__content" table in the database but the ...
0
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1answer
197 views

joomla 2.5 / K2 - SQL Query to delete trashed items taking care of data integrity

I have not a testing environment where put this to the test: delete from k2_items where trash = 1 Of course this will remove everything that is marked as trash, but is there any other table that has ...
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2answers
256 views

getting some sql error

I have recently restored my joomla website and it was working perfectly fine, but suddenly I am receiving the following error: 1064 : You have an error in your SQL syntax; check the manual that ...
4
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3answers
1k views

How to rewrite SQL-query with CASE/WHEN to Joomla-based “format”

I have the following SQL-query to database: $jinput = JFactory::getApplication()->input; $category_id = $jinput->get('virtuemart_category_id'); $db = JFactory::getDBO(); $query = $db->...
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2answers
109 views

Do I need a custom field for a db field alias?

When viewing an individual record, I'm using a calculated field from a sql query to display as a read only field in my form. However I'm unable to get it to display (no error, just blank). Curious, do ...
0
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1answer
514 views

Update all rows primary key columnin a table - Joomla 3.4.8

I have a temp table created with a list of "master tasks". These need to be duplicated so they can be assigned to users as needed. The problem I have is the table column 'id' is a primary key set to ...
3
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4answers
602 views

How to only transfer new column values from one table to another?

I'm attempting to create a new table: _clients that will be simply populated with, for now, with the user_id column from #__user_usergroup_map. Ideally, the below code should pull all id's from #...
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3answers
44 views

Trying to set up new joomla from old joomla files

So basically my Joomla site was attacked a few weeks ago by SQL injection and was taken down. What I am hoping to do, is to go into the file manager and download all of my articles, categories, ...
1
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2answers
694 views

After Joomla update duplicate or create new module get id : 0

Joomla is updated to 3.3 and create of a new module or duplicate existing module with no success. Its possible to create a new, or duplicate modules but module id is 0 for each new module I create, ...
4
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3answers
3k views

How can I get the names of the columns in an object or table with Joomla's SQL?

With the existing output I have from a basic query, what would be the best way to get the names of the columns in the resultant output object without having to run an additional COLUMNS query on the ...
3
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2answers
947 views

JDatabase JOIN on multiple values

What is the JDatabase syntax for a JOIN statement that joins two tables on a variable that is either equal to x or is null? Eg it joins on multiple values. I have found some examples that show me you ...
0
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2answers
705 views

Get current language and DB Query to select content by language

I'm trying to select data from content table in Joomla (3.4) filtered by language field. When I pass a value, it doesn't change in the SQL statement Here is my code: public function articlesar() { ...