Questions tagged [sql]
Structured Query Language (SQL) is a language for querying databases.
83
questions
1
vote
1answer
61 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
36 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,...
1
vote
1answer
58 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 ...
1
vote
2answers
72 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 ...
1
vote
3answers
136 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,
#...
1
vote
1answer
50 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. ...
1
vote
1answer
39 views
How to use Joomla's query building methods to generate a query containing joined subqueries?
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,
...
1
vote
2answers
67 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
...
1
vote
1answer
42 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)...
1
vote
1answer
87 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 ...
1
vote
2answers
81 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();
$...
2
votes
0answers
25 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 ...
1
vote
1answer
141 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
votes
2answers
133 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 ...
1
vote
3answers
292 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 #...
2
votes
2answers
127 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 <- ...
1
vote
2answers
49 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
vote
1answer
81 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(...
0
votes
1answer
141 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
votes
1answer
149 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
votes
1answer
151 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
votes
1answer
198 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 ...
0
votes
1answer
122 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
votes
2answers
203 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
vote
1answer
171 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
votes
2answers
260 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
votes
3answers
81 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()...
1
vote
1answer
331 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 ...
0
votes
3answers
102 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
votes
2answers
150 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
votes
1answer
230 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 ...
5
votes
1answer
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 = $db->loadObjectList();
Will ...
1
vote
1answer
217 views
Error when populating a database table while installing a module
I am using the following code for creating tables in my .sql file as part of a module.
CREATE TABLE IF NOT EXISTS `#__gruposlocales` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(...
0
votes
1answer
797 views
How to SET a user-defined MySQL variable and increment it to produce ranking values with JDatabaseQuery?
I'm trying to write this query:
SET @rownumber = 0;
UPDATE #__hikers SET rank = (@rownumber:=@rownumber+1)
ORDER BY score DESC;
like JDatabaseQuery, but still got an error. Please help
UPDATE:
I ...
1
vote
1answer
332 views
How to select records one by one using JDatabaseQuery
In programming languages there are 2 patterns for selecting records from the database:
//prepare SELECT statement
while($record = $query->fetchRow())
{
//do the job
}
And the second:
//...
1
vote
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 ...
1
vote
2answers
94 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
votes
1answer
199 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
votes
1answer
396 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
vote
1answer
287 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 ...
-1
votes
1answer
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 =" /// ...
1
vote
1answer
199 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
votes
2answers
206 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
vote
1answer
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 ...
0
votes
1answer
612 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 ...
1
vote
1answer
246 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
votes
1answer
300 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
vote
4answers
17k 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 ...
