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42 lines
1.1 KiB
42 lines
1.1 KiB
<?php
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use Illuminate\Support\Facades\Schema;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Database\Migrations\Migration;
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class CreateRevisionsTable extends Migration
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{
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/**
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* Run the migrations.
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*
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* @return void
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*/
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public function up()
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{
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Schema::create('revisions', function (Blueprint $table) {
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$table->increments('id');
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$table->timestamps();
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$table->unsignedInteger('refs'); // used for reference counting
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$table->unsignedInteger('ancestor_id')->index()->nullable(); // parent revision
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// a column that can be used as the primary key for a table; possibly a composite column, if using a comma
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$table->string('index_column');
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// author's note describing what has been changed
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$table->text('note');
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$table->foreign('ancestor_id')->references('id')->on('revisions')
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->onDelete('set null');
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});
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}
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/**
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* Reverse the migrations.
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*
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* @return void
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*/
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public function down()
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{
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Schema::dropIfExists('revisions');
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}
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}
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