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4280298
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0
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2010-11-25T19:25:51.490
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2010-11-25T19:25:51.490
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The following code implements the ActiveRecord library in CodeIgniter (though ActiveRecord usually refers to a fairly different way of getting values from a database). <pre><code>$this->db ->select('*') ->from('table'); $this->db->get(); </code></pre> Right until the get() method, ActiveRecord will build and store an SQL query internally, and then, when you call get(), execute that query and replace it with a result object, which you can then access with result(), result_array(), row(), or row_array(). The following code will execute an SQL query directly from the $sql argument you give it <pre><code>$this->db->query($sql); </code></pre> From that point, if you were SELECTing data from your database, you can do this: <pre><code>$result = $this->db->result_array(); </code></pre> to get the results of that query into an array. For pagination, you can use both ways. This, for example, would get the records for a page 3 if you had 10 records per page: <pre><code>$query = $this->db->select('*')->from('table')->limit(10, 30)->get(); if($query->num_rows()) { return $query->result_array(); } return FALSE; </code></pre> And, if you're using any of the $this->db methods() (where()), CodeIgniter will automatically escape the values you put into it: <pre><code>$this->db->where('id', "'i am a nasty piece of SQL';DROP DATABASE 'my_db'"); </code></pre> That would be fine - CodeIgniter takes care of it for you. Just always be aware that just because it's done for you, doesn't mean there aren't other ways to expose security vulnerabilities in your code.
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1. POcodeigniter best DB query method & Injection prevention
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1. USsheldon.backstack
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1. CO+1 for explanation and final thought.
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Querying!

Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.