30 lines
839 B
PHP
30 lines
839 B
PHP
<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration
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{
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public function up(): void
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{
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Schema::table('slave_sites', function (Blueprint $table) {
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// 1. 先把那个重名的唯一索引给我卸了！
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$table->dropUnique(['sCode']);
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});
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Schema::table('slave_sites', function (Blueprint $table) {
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// 2. 重新冲锋：修改长度并重新建立唯一约束
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$table->string('sCode', 100)->unique()->change();
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});
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}
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public function down(): void
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{
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Schema::table('slave_sites', function (Blueprint $table) {
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// 撤退逻辑：按需写
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$table->string('sCode', 255)->change();
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});
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}
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};
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