root
45 lines
1.6 KiB
PHP
45 lines
1.6 KiB
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class AddSemesterToLateSlipLogs extends Migration
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{
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public function up()
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{
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// Add nullable semester column and an index with school_year if not present
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if ($this->db->tableExists('late_slip_logs')) {
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$fields = $this->db->getFieldNames('late_slip_logs');
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if (!in_array('semester', $fields, true)) {
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$this->forge->addColumn('late_slip_logs', [
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'semester' => [
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'type' => 'VARCHAR',
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'constraint' => 32,
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'null' => true,
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'after' => 'school_year',
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],
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]);
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}
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// Best-effort: add composite index if missing
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try {
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$sql = "SHOW INDEX FROM late_slip_logs WHERE Key_name = 'idx_late_slip_year_sem'";
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$exists = $this->db->query($sql)->getResultArray();
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if (empty($exists)) {
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$this->db->query('ALTER TABLE late_slip_logs ADD INDEX idx_late_slip_year_sem (school_year, semester)');
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}
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} catch (\Throwable $e) { /* ignore */ }
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}
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}
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public function down()
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{
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if ($this->db->tableExists('late_slip_logs')) {
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try { $this->db->query('ALTER TABLE late_slip_logs DROP INDEX idx_late_slip_year_sem'); } catch (\Throwable $e) {}
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try { $this->forge->dropColumn('late_slip_logs', 'semester'); } catch (\Throwable $e) {}
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}
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}
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}
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