reworked migrations AGAIN and added relations to models

database/migrations/2018_07_08_193638_create_data_tables_table.php

@@ -17,49 +17,19 @@ class CreateDataTablesTable extends Migration
             $table->increments('id');
             $table->timestamps();
             $table->unsignedInteger('owner_id');
-            $table->unsignedInteger('forked_from_id')->nullable();
+            $table->unsignedInteger('precursor_id')->nullable(); // fork source
             $table->unsignedInteger('revision'); // incremented with each applied changeset
-            $table->string('title'); // indexable
-            $table->string('keywords'); // indexable
+            $table->string('title')->index(); // indexable
             $table->text('description');
-            $table->string('license'); // license name (indexable)
-            $table->mediumText('license_text'); // space for custom license text, if needed
+            $table->text('license');
+            $table->text('source_link');
             $table->longText('content');
 
-            $table->foreign('owner_id')
-                ->references('id')->on('users')
+            $table->foreign('owner_id')->references('id')->on('users')
                 ->onDelete('cascade');
 
-            $table->foreign('forked_from_id')
-                ->references('id')->on('data_tables')
+            $table->foreign('precursor_id')->references('id')->on('data_tables')
                 ->onDelete('set null');
-
-            $table->index('title'); // for text search
-            $table->index('keywords'); // for text search
-            $table->index('owner_id');
-        });
-
-        Schema::create('changesets', function (Blueprint $table) {
-            $table->increments('id');
-            $table->timestamps();
-            $table->unsignedInteger('data_table_id');
-            $table->unsignedInteger('target_revision');
-            $table->boolean('applied');
-            $table->unsignedInteger('author_id')->nullable();
-            $table->longText('content'); // incremental changeset including original row values so that it can be reversed
-
-            $table->foreign('data_table_id')
-                ->references('id')->on('data_tables')
-                ->onDelete('cascade');
-
-            // Deleting a user should not delete their applied patches, as that would break history.
-            // We set the author to null and unmerged patches may be cleaned manually or by a separate query.
-            $table->foreign('author_id')
-                ->references('id')->on('users')
-                ->onDelete('set null');
-
-            $table->index('author_id');
-            $table->index('data_table_id');
         });
     }
 
@@ -70,7 +40,6 @@ class CreateDataTablesTable extends Migration
      */
     public function down()
     {
-        Schema::dropIfExists('changesets');
         Schema::dropIfExists('data_tables');
     }
 }

database/migrations/2018_07_08_193639_create_changesets_table.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateChangesetsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('changesets', function (Blueprint $table) {
+            $table->increments('id');
+            $table->timestamp('created_at');
+            $table->unsignedInteger('data_table_id')->index();
+            $table->unsignedInteger('target_revision');
+            $table->boolean('applied');
+            $table->unsignedInteger('author_id')->index()->nullable();
+            $table->longText('content'); // incremental changeset including original row values so that it can be reversed
+
+            $table->foreign('data_table_id')->references('id')->on('data_tables')
+                ->onDelete('cascade');
+
+            // Deleting a user should not delete their applied patches, as that would break history.
+            // We set the author to null and unmerged patches may be cleaned manually or by a separate query.
+            $table->foreign('author_id')->references('id')->on('users')
+                ->onDelete('set null');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('changesets');
+    }
+}

database/migrations/2018_07_08_193640_create_data_rows_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateDataRowsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('data_rows', function (Blueprint $table) {
+            $table->increments('id');
+            $table->unsignedInteger('data_table_id')->index();
+            $table->longtext('data');
+
+            $table->foreign('data_table_id')->references('id')->on('data_tables')
+                ->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('data_rows');
+    }
+}

database/migrations/2018_07_08_204449_create_oauth_identities_table.php

@@ -16,7 +16,7 @@ class CreateOauthIdentitiesTable extends Migration
         Schema::create('oauth_identities', function (Blueprint $table) {
             $table->increments('id');
             $table->timestamps();
-	        $table->unsignedInteger('user_id');
+	        $table->unsignedInteger('user_id')->index();
 	        $table->string('provider_user_id');
 	        $table->string('provider');
 	        $table->string('access_token');
@@ -24,8 +24,6 @@ class CreateOauthIdentitiesTable extends Migration
 	        $table->foreign('user_id')
 		        ->references('id')->on('users')
 		        ->onDelete('cascade');
-
-	        $table->index('user_id');
         });
     }