MAGETWO-40730: Merge attribute configuration with indexer for static attributes

Author: slavvka

app/code/Magento/Customer/Model/Indexer/AttributeProvider.php

@@ -89,7 +89,7 @@ protected function convert(array $attributes, array $fieldset)
                         'handler' => 'Magento\Framework\Indexer\Handler\AttributeHandler',
                         'origin' => $attribute->getName(),
                         'type' => $this->getType($attribute),
-                        'dataType' => $this->getBackendType($attribute),
+                        'dataType' => $attribute->getBackendType(),
                         'filters' => [],
                         'entity' => static::ENTITY,
                         'bind' => isset($fieldset['references']['customer']['to'])
@@ -100,25 +100,13 @@ protected function convert(array $attributes, array $fieldset)
             } else {
                 $fields[$attribute->getName()] = [
                     'type' => $this->getType($attribute),
-                    'dataType' => $this->getBackendType($attribute),
                 ];
             }
         }
 
         return $fields;
     }
 
-    /**
-     * Get backend type for attribute
-     *
-     * @param Attribute $attribute
-     * @return string
-     */
-    protected function getBackendType(Attribute $attribute)
-    {
-        return $attribute->getBackendTypeByInput($attribute->getFrontendInput());
-    }
-
     /**
      * Get field type for attribute
      *
@@ -128,7 +116,7 @@ protected function getBackendType(Attribute $attribute)
     protected function getType(Attribute $attribute)
     {
         if (
-            in_array($this->getBackendType($attribute), ['varchar', 'text'])
+            in_array($attribute->getFrontendInput(), ['text', 'textarea'])
             && $attribute->getData('is_searchable_in_grid')
         ) {
             $type = 'searchable';