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Add OPD performance indexes for appointment dashboard and list queries

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DevSoftTech Server 2026-03-01 01:57:39 +05:30
parent 7cbf2b28ba
commit 232cfa15b0
1 changed files with 101 additions and 0 deletions
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101
app/Database/Migrations/2026-03-01-000001_AddOpdPerformanceIndexes.php Normal file
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<?php
namespace App\Database\Migrations;
use CodeIgniter\Database\Migration;
class AddOpdPerformanceIndexes extends Migration
{
private function tableExists(string $table): bool
{
$rows = $this->db->query('SHOW TABLES LIKE ?', [$table])->getResultArray();
return ! empty($rows);
}
private function fieldExists(string $table, string $field): bool
{
if (! $this->tableExists($table)) {
return false;
}
$rows = $this->db->query('SHOW COLUMNS FROM `' . $table . '` LIKE ?', [$field])->getResultArray();
return ! empty($rows);
}
private function indexExists(string $table, string $indexName): bool
{
if (! $this->tableExists($table)) {
return false;
}
$rows = $this->db->query('SHOW INDEX FROM `' . $table . '` WHERE Key_name = ?', [$indexName])->getResultArray();
return ! empty($rows);
}
private function addIndexIfMissing(string $table, string $indexName, string $columns): void
{
if (! $this->tableExists($table) || $this->indexExists($table, $indexName)) {
return;
}
$this->db->query('ALTER TABLE `' . $table . '` ADD INDEX `' . $indexName . '` (' . $columns . ')');
}
public function up(): void
{
if ($this->tableExists('opd_master')) {
if ($this->fieldExists('opd_master', 'apointment_date')
&& $this->fieldExists('opd_master', 'doc_id')
&& $this->fieldExists('opd_master', 'opd_status')) {
$this->addIndexIfMissing('opd_master', 'idx_opd_master_date_doc_status', '`apointment_date`,`doc_id`,`opd_status`');
}
if ($this->fieldExists('opd_master', 'doc_id')
&& $this->fieldExists('opd_master', 'apointment_date')) {
$this->addIndexIfMissing('opd_master', 'idx_opd_master_doc_date', '`doc_id`,`apointment_date`');
}
if ($this->fieldExists('opd_master', 'opd_id')) {
$this->addIndexIfMissing('opd_master', 'idx_opd_master_opd_id', '`opd_id`');
}
}
if ($this->tableExists('opd_prescription')) {
if ($this->fieldExists('opd_prescription', 'opd_id')) {
$this->addIndexIfMissing('opd_prescription', 'idx_opd_prescription_opd_id', '`opd_id`');
}
if ($this->fieldExists('opd_prescription', 'opd_id') && $this->fieldExists('opd_prescription', 'queue_no')) {
$this->addIndexIfMissing('opd_prescription', 'idx_opd_prescription_opd_queue', '`opd_id`,`queue_no`');
}
}
}
public function down(): void
{
$drops = [
'opd_master' => [
'idx_opd_master_date_doc_status',
'idx_opd_master_doc_date',
'idx_opd_master_opd_id',
],
'opd_prescription' => [
'idx_opd_prescription_opd_id',
'idx_opd_prescription_opd_queue',
],
];
foreach ($drops as $table => $indexes) {
if (! $this->tableExists($table)) {
continue;
}
foreach ($indexes as $index) {
if ($this->indexExists($table, $index)) {
$this->db->query('ALTER TABLE `' . $table . '` DROP INDEX `' . $index . '`');
}
}
}
}
}