How to use join in codeigniter for update query?

@darion 

In Codeigniter, you can use the join() method to perform a join in an update query. Here's an example of how you can use join in an update query in Codeigniter:

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$data = array(
   'table1.field1' => 'value1',
   'table2.field2' => 'value2'
);

$this->db->join('table2', 'table1.id = table2.table1_id');
$this->db->where('table1.id', $id);
$this->db->update('table1', $data);

In this example, we are updating a record in table1 and joining it with table2 where table1.id matches table2.table1_id.

Make sure to replace table1, table2, field1, field2, value1, value2, and $id with your actual table and field names, values, and conditions.

This is just a basic example, you may need to modify the query based on your specific requirements.