Fix for #2017

database/migrations/2019_02_05_055516_changes_for_v4711.php

@@ -45,9 +45,17 @@ class ChangesForV4711 extends Migration
      */
     public function up(): void
     {
+        /**
+         * In 4.7.11, I changed the date field to a "datetimetz" field. This wreaks havoc
+         * because apparently MySQL is not actually capable of handling multiple time zones,
+         * only having a server wide time zone setting. Actual database schemes like Postgres
+         * handle this just fine but the combination is unpredictable. So we go back to
+         * datetime (without a time zone) for all database engines because MySQL refuses to play
+         * nice.
+         */
         Schema::table(
             'transaction_journals', function (Blueprint $table) {
-            $table->dateTimeTz('date')->change();
+            $table->dateTime('date')->change();
         }
         );
 

database/migrations/2019_02_11_170529_changes_for_v4712.php

@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Class ChangesForV4712
+ */
+class ChangesForV4712 extends Migration
+{
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down(): void
+    {
+        //
+    }
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        /**
+         * In 4.7.11, I changed the date field to a "datetimetz" field. This wreaks havoc
+         * because apparently MySQL is not actually capable of handling multiple time zones,
+         * only having a server wide time zone setting. Actual database schemes like Postgres
+         * handle this just fine but the combination is unpredictable. So we go back to
+         * datetime (without a time zone) for all database engines because MySQL refuses to play
+         * nice.
+         */
+        Schema::table(
+            'transaction_journals', function (Blueprint $table) {
+            $table->dateTime('date')->change();
+        }
+        );
+    }
+}