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Questions tagged [sql]

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

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2 answers
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Join tables where one column value has leading zeros and the other doesn't

I am trying to LEFT JOIN a table, but the two columns used for relating rows are not identically formatted. My problem is the value in a.vendor, it has leading zeros on it, and c.No doesn't have ...
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1 vote
1 answer
33 views

Attempt to assign property "team" on bool

I am trying to create a model in Joomla that will display various information pertaining to a certain ID. When I create the function: public function getItem ($id = null) { if ($this->_item ===...
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0 votes
1 answer
35 views

Decode json strings from a database table column

I have a column in my database that essentially creates an array and I am essentially trying to explode it but I cannot figure out how to get it to work. Its also going into SQL with { characters ...
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0 answers
20 views

In extensions, make the schema update SQL conditional

In the xml install file for an extension for Joomla! 4.0, there are these lines that make the SQL update : <update> <schemas> <schemapath type="mysql">sql/...
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1 vote
1 answer
90 views

Calculate wins, losses and ties for each team in database

I have been struggling with this one for a couple days. I am trying to build a Joomla component that will display team standings based on record and then points for and points against. Currently I ...
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0 answers
19 views

How do I get Edit Profile to not save with invalid date input on Joomla Community Builder

On my volunteering website, users can edit their profile and enter a date in the future when they are available to volunteer. If they are already signed up for a volunteer opportunity, they shouldn't ...
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0 answers
39 views

ERROR 1054 when login in admin section

An exception has occurred while executing: SELECT t0.id AS id_1, t0.first_name AS first_name_2, t0.middle_name AS middle_name_3, t0.last_name AS last_name_4, t0.email AS ...
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0 answers
48 views

Translate sql with nested queries into query builder methods [duplicate]

I have written a SQL query which works fine and output provides all the data that I need: Please see this screenshot: This is the SQL code: SELECT P.name, C.project_id, C.choice_id, C.time_stamp,...
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1 vote
1 answer
97 views

Create Plotalot chart from RSForm Pro data using pivot query

I'm trying to extract RSForm Pro form data from the database to create Plotalot charts. There is a field on the form called "resolved" to which users respond "Yes or No". I would ...
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1 vote
2 answers
92 views

How to use SQL statements not supported by JDatabaseQuery

Recently, I have needed to use some SQL statements that are not supported by the JDatabaseQuery class, specifically REPLACE INTO and INSERT IGNORE. The only way that I am able to get something to ...
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1 vote
3 answers
168 views

Join #__content with #__fields_values then filter and sort using #__fields_values data

I wrote an override in Joomla 3.X and sorted the result from the DB using this query, which works: $query = "SELECT content.*, fieldvalues.* FROM #__content AS content, #...
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1 vote
2 answers
77 views

How to store component parameters after modification

As I understand it, the current values of a component configuration are stored as JSON in the params field of the #__extensions database table, in the entry that matches the component name as element. ...
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  • 113
1 vote
1 answer
47 views

How to use Joomla's query building methods to generate a query containing joined subqueries? [closed]

I am trying to write a query using Joomla's query building methods, but I cannot manage to write the subquery into the query. Here is my desired raw sql with php variables: "SELECT track_type, ...
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1 vote
2 answers
88 views

How to count aggregate data from RSForm submission values with Joomla's query building methods?

user SubmissionId FormId FieldName FieldValue bob 2 16 state mystate1 bob 2 16 qda myqad1 bob 2 16 city mycity1 rob 3 16 state mystate2 rob 3 16 qda myqad1 rob 3 16 city mycity1 jac 4 16 state ...
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1 vote
1 answer
53 views

Joomla Select from DB AND / OR grouping

I did not found any guide on how to handle such queries in Joomla: I would like to select all items from db which are: Published AND (the publish up date is 0000-00-00 00:00:00 or smaller then datenow)...
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  • 483
1 vote
1 answer
109 views

RSFORM combine 2 submission form results in one Plotalot view

After requesting help from local db-masters with no result, I would like to ask this question here. The output required is this for example: Shelter ClientID Year Month Fees Amount ...
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1 vote
2 answers
95 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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  • 55
2 votes
0 answers
28 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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  • 239
1 vote
1 answer
187 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 ...
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2 votes
2 answers
183 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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  • 483
1 vote
3 answers
369 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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2 votes
2 answers
162 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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  • 2,651
1 vote
2 answers
51 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 ...
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1 vote
1 answer
83 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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  • 13
0 votes
1 answer
173 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 ...
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  • 129
4 votes
1 answer
160 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 ...
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  • 275
3 votes
1 answer
166 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 ...
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  • 4,403
0 votes
1 answer
225 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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  • 21
0 votes
1 answer
130 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 ...
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  • 101
0 votes
2 answers
230 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 ...
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1 vote
1 answer
181 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 ...
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2 votes
2 answers
277 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 ...
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  • 155
2 votes
3 answers
82 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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1 vote
1 answer
344 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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0 votes
3 answers
103 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: ...
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  • 155
2 votes
2 answers
319 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 ...
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2 votes
1 answer
256 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 ...
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  • 75
5 votes
1 answer
2k views

SQL Injections using Jfactory::getDBO and setQuery() with LIKE condition

$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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1 vote
1 answer
223 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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0 votes
1 answer
854 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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  • 99
1 vote
1 answer
364 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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  • 179
1 vote
1 answer
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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  • 19
1 vote
2 answers
101 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 ...
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  • 375
0 votes
1 answer
204 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 ...
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  • 111
0 votes
1 answer
415 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 '#...
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1 vote
1 answer
296 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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  • 133
-1 votes
1 answer
57 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 =" /// ...
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  • 13
1 vote
1 answer
210 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 ...
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2 votes
2 answers
208 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 ...
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  • 23
1 vote
1 answer
84 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 ...
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  • 11