How to use dbforge[of codeigniter] to add foreign key

Question

I am using codeigniter and I am trying to convert following query into dbforge style query, how can I do it?

create table filter (

    filterid int primary key auto_increment,

    filtername varchar(50) not null,

    categoryid int not null,

    isactive tinyint not null,

    sequence int not null,

    foreign key(categoryid) references category(id));

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Answer 1

use $this->db->query(); instead.

this always work for me.

$sql="create table filter (
filterid int primary key auto_increment,
filtername varchar(50) not null,
categoryid int not null,
isactive tinyint not null,
sequence int not null,
foreign key(categoryid) references category(id))";

$this->db-query($sql);

How to use dbforge[of codeigniter] to add foreign key

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