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Browse other questions tagged codeigniter if-statement model-view-controller echo or ask your own question. The Overflow Blog Podcast 389: The big problem with only being able to solve big problems


I want database query to be case sensitive. I have set the table Collation to be "utf8_bin", which is supposed to be case sensitive. However, when I ran the following query code: I found that the query was not case-sensitive. For example, my_table has a …


I'm using CodeIgniter's Active Record class to query the MySQL database. I need to select the rows in a table where a field is not set to NULL:


The data is usually stored in the database. Among the chief concerns when interacting with the database is security, ease of access and database vendor specific implementations of Structured Query Language (SQL). Active record is a design pattern that makes it easy to interact with the database in ease, secure and eloquent way.


The first will insert only one record at a time, and the second will insert an array of data as individual rows into the database; this can be quite useful if you know you need to insert more than one record at a time, thereby saving you the trouble of calling insert() more than once.


And my database fields was set as NOT NULL with a default value of 'no'. ... I'm using CodeIgniter 3 and its database query functions instead of building my own. I'm beginning to think ...


By default Faker library is available in CodeIgniter 4. To create seeder file, back to terminal and run this spark command. $ php spark make:seeder Member --suffix. It will create a file MemberSeeder.php into /app/Database/Seeds folder. Open MemberSeeder.php file and write this complete code into it.


When the file becomes validate, we will insert it into the database and after that upload the file to the folder. CodeIgniter 4 File Upload Example . Follow the below steps and easily upload files in folder and store into the database in CodeIgniter 4 projects with validation: Download Codeigniter Latest; Basic Configurations; Create Database ...


This is the way of multiple comparison in where command. to check if column data is not null do it like 'sc_id' => TRUE here is the complete example how I …


Step 2: Create a database named "crudci4". Step 3: Create the student table to use it while working on data modeling in Codeigniter 4. create table students ( s_id int auto_increment primary key, s_name varchar(200) not null, s_date datetime not null, s_subject varchar(200) not …


null/true : to generate "NULL" in the field definition. Without this, the field will default to "NOT NULL". auto_increment/true : generates an auto_increment flag on the field. Note that the field type must be a type that supports this, such as integer. unique/true : to generate a unique key for the field definition.


Bug: Argument 1 passed to CodeIgniterDatabaseBaseResult::getFirstRow() must be of the type string, null given, called in /system/Model.php on line 383 #2877 Bug: Can't override already defined language in …


NULL is not a data type – this means it is not recognized as an "int", "date" or any other defined data type. Arithmetic operations involving NULL always return NULL for example, 69 + NULL = NULL. All aggregate functions affect only rows that do not have NULL values. Let's now demonstrate how the count function treats null values.


CodeIgniter - Working with Database. Like any other framework, we need to interact with the database very often and CodeIgniter makes this job easy for us. It provides rich set of functionalities to interact with database. In this section, we will understand how the CRUD (Create, Read, Update, Delete) functions work with CodeIgniter.


CREATE TABLE `cities` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(245) DEFAULT NULL, PRIMARY KEY (`id`) ) ; CodeIgniter Database Models. We will now create models for our database. The Model is the M part of the MVC. The model deals with data access, data manipulation, and business logic.


In this tutorial you will learn about the CodeIgniter Insert Query and its application with practical example. In CodeIgniter, insert() method is used to insert record in database table. In order to generate insert statement, insert() method can be used in following ways –


not empty and not null codeigniter Microsoft.AspNetCore.Routing.Patterns.RoutePatternException: There is an incomplete parameter in the route template. Check that each '{' character has a matching '}' character.


In this example we will discuss about how to delete a record or data from MySQL database using CodeIgniter framework PHP. The DELETE statement is used to delete records from a table: DELETE FROM table_name. WHERE some_column = some_value.


I have a table with a column called datacash_ref, it can be null. Only after someone successfully pays does a reference number get entered. About half the entries are NULL and the other half have references. I am trying to select only those that are empty (null). These don't work:


The null key is not passed. I don't know if it's a return behavior of PHP or Codeigniter. I'm not very experienced and I don't know if it's a Codeigniter or PHP settings problem.


Before getting started to implement the import CSV file to the database in CodeIgniter 3.x application, take a look at the files structure. Create Database Table To store the …


Database query using CodeIgniter returning null values into array? Ask Question Asked 8 years, 3 months ago. Active 8 years, 3 months ago. ... You can use COALESCE to substitute the NULL values to something more useful, or you can add a count() so you can tell how many rows was used to generate the sum()s.


In this example we will learn all about how to fetch a record or data from MySQL database using CodeIgniter framework PHP. Sql Table. CREATE TABLE students ( `id` int(11) NOT NULL, `profile_nm` varchar(30) NOT NULL, `sir_nm` varchar(30) NOT NULL, `email` varchar(30) NOT NULL, PRIMARY KEY (id) ); Models


CREATE TABLE tbl_students ( id int(11) NOT NULL AUTO_INCREMENT, name varchar(120) DEFAULT NULL, email varchar(120) DEFAULT NULL, mobile varchar(45) DEFAULT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; Successfully, we have created a database and a table. Let's connect with the application.


CodeIgniter Forums CodeIgniter 4 CodeIgniter 4 Support Model Returns Null on FindAll. Pages (2): ... Problem is retrieving it from the database. So any help would be appreciated. Is there any step i might be missing ? I want to be able to use functions like findall() first() but model returns null when i to dump result set ...


In my database it is a table: tab_companies and a column company_phone (big integer) with defalut value set to NULL. When somebody fill the form and will leave the phone number field empty Code Igniter should add a NULL value to the database, but instead I am having always value '0'.


After successfully creating a database connection with the CodeIgniter application, we will now understand how we can insert records into the database. To insert a record into a database table, Codeigniter provides an insert() method which is shown in the following syntax:


I have a field in one of my database tables, careplanner_id, smallint (5), that is set as a foreign key. It allows NULL values, and its DEFAULT is set to NULL. When I try to insert a record into the table with an empty form field for careplanner_id, CodeIgniter set its value in its mySQL query to an empty string instead of NULL, and then my ...


This empty class provides convenient access to the database connection, the Query Builder, and a number of additional convenience methods. Should you need additional setup in your model you may extend the initialize() function which will be run immediately after the Model's constructor. This allows you to perform extra steps without repeating the constructor parameters, for example extending ...


Codeigniter returns Null from database a field which is not null. Ask Question Asked 2 years, 3 months ago. Active 2 years, 3 months ago. Viewed 267 times 2 I want to return some data from my database with Codeigniter. The query is a join from all related tables. Here is teh diagram: The join query from the model: ...


In Codeigniter framework, Model class has been used to perform database related operation. Here model class has been store in application/models folder. In this class we have to make following method. fetch_all_event() - This method has fetch all event data from mysql table, and send that data to controller.


Creating our Database First we are going to create our database and insert sample data for this tutorial. Open your phpMyAdmin. Create a new database named codeigniter.; Click the database that we created, click SQL tab then paste the below code or import the included .sql file in the downloadable of this source code located in db folder.