root
48 lines
1.3 KiB
PHP
48 lines
1.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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use RuntimeException;
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final class EnsureWhatsappGroupLinksSchoolYearIndex extends Migration
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{
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public function up(): void
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{
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if ($this->db->DBDriver !== 'MySQLi') {
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throw new RuntimeException('This migration requires MySQL/MariaDB through the MySQLi driver.');
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}
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if (! $this->db->tableExists('whatsapp_group_links')
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|| ! $this->db->fieldExists('school_year', 'whatsapp_group_links')) {
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return;
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}
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$indexed = $this->db->query(
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'SELECT COUNT(*) AS aggregate
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FROM information_schema.STATISTICS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = ?
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AND COLUMN_NAME = ?',
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['whatsapp_group_links', 'school_year']
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)->getRow();
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if ((int) ($indexed->aggregate ?? 0) > 0) {
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return;
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}
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$this->db->query(
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'ALTER TABLE `whatsapp_group_links` ADD INDEX `idx_sy_whatsapp_group_links_school_year` (`school_year`)'
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);
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}
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public function down(): void
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{
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if ($this->db->tableExists('whatsapp_group_links')) {
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$this->db->query('ALTER TABLE `whatsapp_group_links` DROP INDEX `idx_sy_whatsapp_group_links_school_year`');
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}
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}
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}
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