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Added creation of unique index and while-loop to catch also multiple doubles

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int2001
2024-03-08 11:40:53 +00:00
parent 6f87d7b71d
commit 873cefc4d7
1 changed files with 27 additions and 13 deletions
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40
application/migrations/186_rm_eqsl_dbl.php
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@@ -2,29 +2,43 @@
defined('BASEPATH') or exit('No direct script access allowed');
// Adding a column to users table for the timestamp of the last login
// Remove Dupes from eQSL-Table and add a unique idx
class Migration_rm_eqsl_dbl extends CI_Migration {
public function up()
{
$sql='select min(id) as id,qso_id from eQSL_images group by qso_id having count(1)>1;';
$query=$this->db->query($sql);
if ($query->num_rows() > 0) {
$eqsl2del=[];
foreach ($query->result() as $row)
$eqsl2del[]=$row->id;
foreach ($eqsl2del as $oneeqsl) {
$res=$this->db->query("select image_file from eQSL_images where id=?",$oneeqsl)->result()[0]->image_file;
log_message("Error"," Need to remove file ".$res." with PK ".$oneeqsl); // Add moving of files HERE
}
foreach ($eqsl2del as $oneeqsl) {
// $this->db->query('delete from eQSL_images where id=?',$oneeqsl);
$dbltrbl=1;
// while ($dbltrbl>0) { // Enable this after Development // Need this to make sure we also delete eQSLs with an amount>2. So repeat until we have no more dupes
$sql='select min(id) as id,qso_id from eQSL_images group by qso_id having count(1)>1;';
$query=$this->db->query($sql);
$dbltrbl=$query->num_rows();
if ($dbltrbl > 0) {
$eqsl2del=[];
foreach ($query->result() as $row)
$eqsl2del[]=$row->id;
foreach ($eqsl2del as $oneeqsl) {
$res=$this->db->query("select image_file from eQSL_images where id=?",$oneeqsl)->result()[0]->image_file;
log_message("Error"," Need to remove file ".$res." with PK ".$oneeqsl); // Add moving of files HERE
}
foreach ($eqsl2del as $oneeqsl) {
//$this->db->query('delete from eQSL_images where id=?',$oneeqsl); // Enable this after development
}
}
// } // Enable this after development
/* Enable this after development
$index = $this->db->query("SHOW INDEX FROM eQSL_images WHERE Key_name = 'qso_id_UNIQUE'")->num_rows();
if ($index == 0) {
$this->db->query("ALTER TABLE `eQSL_images` ADD UNIQUE INDEX `qso_id_UNIQUE` (`qso_id` ASC);");
}
*/
}
public function down() {
$index = $this->db->query("SHOW INDEX FROM eQSL_images WHERE Key_name = 'qso_id_UNIQUE'")->num_rows();
if ($index > 0) {
$this->db->query("ALTER TABLE `eQSL_images` DROP INDEX `qso_id_UNIQUE`;");
}
}
}