update

htdocs/database/migrations/2026_05_21_000012_alter_bio_tables_for_accnumber_system.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        
+        Schema::table('bio_specimens', function (Blueprint $table) {
+            if (!Schema::hasColumn('bio_specimens', 'atcc')) {
+                $table->string('atcc', 150)->nullable()->after('strain');
+            }
+            if (!Schema::hasColumn('bio_specimens', 'sampleid')) {
+                $table->string('sampleid', 150)->nullable()->after('atcc');
+            }
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('bio_specimens', function (Blueprint $table) {
+            if (Schema::hasColumn('bio_specimens', 'atcc')) {
+                $table->dropColumn('atcc');
+            }
+            if (Schema::hasColumn('bio_specimens', 'sampleid')) {
+                $table->dropColumn('sampleid');
+            }
+        });
+    }
+};