first commit

common/Database/Traits/AddsIndexToExistingTable.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Common\Database\Traits;
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+trait AddsIndexToExistingTable
+{
+    protected function addIndexIfDoesNotExist(Blueprint $table, string $column) {
+        $prefix = Schema::getConnection()->getTablePrefix();
+        $sm = Schema::getConnection()->getDoctrineSchemaManager();
+        $tableName = "{$prefix}{$table->getTable()}";
+        $indexesFound = $sm->listTableIndexes($tableName);
+        if (!array_key_exists("{$tableName}_{$column}_index", $indexesFound)) {
+            $table->index($column);
+        }
+    }
+
+}