dsql | Object-Oriented SQL Query Builder | SQL Database library
kandi X-RAY | dsql Summary
kandi X-RAY | dsql Summary
DSQL has been in production since 2006, initially included in AModules2 and later Agile Toolkit. We simply forked it and cleaned it up for you:.
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Top functions reviewed by kandi - BETA
- Create DBAL connection .
- Render field condition .
- Where conditions .
- Normalize DSN format
- Returns the debug query .
- Set the sequence .
- Get error message .
- Escapes the identifier using the open escape character .
- Render the sequence .
dsql Key Features
dsql Examples and Code Snippets
Lines of Code : 54License : Permissive (MIT)
Copy$query = new Atk4\Dsql\Query();
$query ->table('employees')
->where('birth_date','1961-05-02')
->field('count(*)')
;
echo "Employees born on May 2, 1961: ".$query->getOne();
// Establish a query looking for a max $m = new Client($db);
echo $m->addCondition('vip', true)
->ref('Order')
->ref('Line')
->action('fx', ['sum', 'total'])
->getDebugQuery();
select sum(`price`*`qty`) from `order_line` `O_L` where `order_id` in (
select `id` fr require 'vendor/autoload.php';
$db = new \Atk4\Data\Persistence_SQL('mysql:dbname=atkui;host=localhost','root','root');
$app = new \Atk4\Ui\App('My First App');
$app->initLayout('Centered');
$g = $layout->add(new \Atk4\Ui\Grid());
$g->set Community Discussions
Trending Discussions on dsql
QUESTION
I'm trying to use prepared statements in SQLRPGLE but it's not working.
Here's my RPGLE program.
...ANSWER
Answered 2021-Oct-04 at 16:20In the end the SQLCA held the answer to my problem.
QUESTION
I would like to test the SQL Builder library atk4/dsql with Symfony 5 and am trying to set up the database connection. I tried following these instructions in the official docs.
I do not have enough experience with Symfony to find out how to set up a global class so the Atk4 library can use the database connection details (I did enter the db details in the .env file).
I have code like this:
...ANSWER
Answered 2021-May-07 at 09:56Well, first you have to setup Connection for your database and described here https://dsql.readthedocs.io/en/develop/connection.html
QUESTION
I am trying to understand and compare the output I see from htop (sorted by mem%) and "ps aux --sort=-%mem | grep query.jar" and determine why 24.2G out of 32.3G is in use on an idle server.
The ps command shows a single parent (not child process I assume):
...ANSWER
Answered 2021-Jan-02 at 20:49The primary difference between htop and ps aux is that htop shows each individual thread belonging to a process rather than the process only - this is similar to ps auxm. Using the htop interactive command H, you can hide threads to get to a list that more closely corresponds to ps aux.
In terms of memory usage, those additional entries representing individual threads do not affect the actual memory usage total because threads share the address space of the associated process.
RSS (resident set size) in general is problematic because it does not adequately represent shared pages (due to shared memory or copy-on-write) for your purpose - the sum can be higher than expected in those cases. You can use smem -t to get a better picture with the PSS (proportional set size) column. Based on the facts you provided, that is not your issue, though.
In your case, it might make sense to dig deeper via smem -tw to get a memory usage breakdown that includes (non-cache) kernel resources. /proc/meminfo provides further details.
QUESTION
I am trying to do a SQL query that calculates the number of days between two dates from a database. However an error occurs when I try to search for specific data from the database. Furthermore does anyone know how I could use the sql Query that counts how many days is between two dates in a calculation, which would use data from another table. I have a room type table which has a room price column, and a booking table where I have the arrival date and departure date how could I calculate the total price for the booking.
System.Data.SQLite.SQLiteException: 'unknown error Insufficient parameters supplied to the command'
Here is what I have so far
...ANSWER
Answered 2020-Dec-31 at 19:10You defined mycmd here:
QUESTION
Hello I have a simple method to update customer details in one of my database tables however when i try to update it an error occurs saying the database is locked. I have no idea how to fix this because my add and delete queries work just fine. This is the error message: System.Data.SQLite.SQLiteException: 'database is locked database is locked'
...ANSWER
Answered 2020-Dec-24 at 00:40You made a good start on keeping your database code separate from you user interface code. However, any message boxes should be shown in the user interface and any sql statements should be written in the data access code.
I used Using...End Using blocks to ensure that database objects are closed and disposed. I used parameters to protect against sql injection. I am not too sure of the mapping of DbType types to Sqlite types. You might have to fool with that a bit. In you original Update statement you had the ID value in quotes. This would pass a string. When you use parameters, you don't have to worry about that or ampersands and double quotes. Just one clean string.
QUESTION
I need to loop through each value present in the variable @columnNames and use it in a dynamic sql. Below is the code.
...ANSWER
Answered 2020-Jul-05 at 23:54From SQL Server 2017 you can use STRING SPLIT function:
https://docs.microsoft.com/en-us/sql/t-sql/functions/string-split-transact-sql?view=sql-server-ver15
QUESTION
I am trying to write a simply query that will return all the attributes requested. The idea is to read the attributes names and return attribute information. It should start with the string 'select' and then followed by a list of the attributes the user wants to see
So, there is a small database consisting of dictionaries:
...ANSWER
Answered 2020-Jun-11 at 09:52First you need to get the attribute names from the query, then it's quite simple.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install dsql
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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