Bulk insert and update in Codeigniter - php

Question

I have an array like this
Array
(
[0] => Array
(
[GRN_id] => 1
[flag_status] => 1
[array_indv_count] => 0
[qty] => 1
[location_RejHoldCmt] =>
[user_id] => 5
[date] => 29-Jul-2020
)
[1] => Array
(
[GRN_id] => 1
[flag_status] => 1
[array_indv_count] => 1
[qty] =>
[location_RejHoldCmt] =>
[user_id] => 5
[date] => 29-Jul-2020
)
[2] => Array
(
[GRN_id] => 2
[flag_status] => 3
[array_indv_count] => 2
[qty] => 0
[location_RejHoldCmt] =>
[user_id] => 5
[date] => 29-Jul-2020
)
)
This array is passing to the controller for insertion/updation:
$count = count($_POST['flag_status']);
for($i=0; $i < $count; $i++) {
$data[] = array(
'GRN_id'=>$_POST['id'],
'flag_status' => $_POST['flag_status'][$i],
'array_indv_count' => $i,
'qty' => $_POST['qty'][$i],
'location_RejHoldCmt' => $_POST['location_RejHoldCmt'][$i],
'user_id'=>$this->session->userdata('userid'),
'date'=>date('d-M-Y'),
);
}
$this->db->insert_batch('GRN_details', $data);
I need to update the DB if the rows exists in the array based on the three values(GRN_id,flag_status,array_indv_count) and insert if no matches with the same three values. Now the rows are inserting into the db on every execution. My DB structure is like below:

Answer 1

Instead of inserting as a batch, check for each record if it exists according to the conditions. If a record exists according to the conditions update that record else insert as a new record.
$count = count($_POST['flag_status']);
for($i=0; $i < $count; $i++) {
$data = array(
'GRN_id'=>$_POST['id'],
'flag_status' => $_POST['flag_status'][$i],
'array_indv_count' => $i,
'qty' => $_POST['qty'][$i],
'location_RejHoldCmt' => $_POST['location_RejHoldCmt'][$i],
'user_id'=>$this->session->userdata('userid'),
'date'=>date('d-M-Y'),
);
$data = xss_clean($data);
// select from table with conditions
$this->db->select('id')
$this->db->from('GRN_details')
$this->db->where('GRN_id', $data['GRN_id']);
$this->db->where('flag_status', $data['flag_status']);
$this->db->where('array_indv_count', $data['array_indv_count']);
$query = $this->db->get();
if ($query->num_rows() > 0) {
// if there is a match update
$record = $query->row();
$this->db->update('GRN_details', $data, array('id'=> $record->id ));
} else {
// if there is no match insert
$this->db->insert('GRN_details', $data);
}
}