ACP2E-464: Remove wildcard and LIKE operator and replace with equal operator in customer grid filter search

Author: bubasuma

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

@@ -5,6 +5,7 @@
  */
 namespace Magento\Customer\Model\Indexer;
 
+use Magento\Customer\Model\Config\Source\FilterConditionType;
 use Magento\Customer\Model\Customer;
 use Magento\Framework\Indexer\FieldsetInterface;
 use Magento\Eav\Model\Config;
@@ -15,7 +16,7 @@ class AttributeProvider implements FieldsetInterface
     /**
      * EAV entity
      */
-    const ENTITY = Customer::ENTITY;
+    public const ENTITY = Customer::ENTITY;
 
     /**
      * @var Attribute[]
@@ -97,11 +98,15 @@ protected function convert(array $attributes, array $fieldset)
                         'bind' => isset($fieldset['references']['customer']['to'])
                             ? $fieldset['references']['customer']['to']
                             : null,
+                        'index' => $attribute->canBeFilterableInGrid()
+                            && (int) $attribute->getGridFilterConditionType() === FilterConditionType::FULL_MATCH
                     ];
                 }
             } else {
                 $fields[$attribute->getName()] = [
                     'type' => $this->getType($attribute),
+                    'index' => $attribute->canBeFilterableInGrid()
+                        && (int) $attribute->getGridFilterConditionType() === FilterConditionType::FULL_MATCH
                 ];
             }
         }

lib/internal/Magento/Framework/Indexer/GridStructure.php

@@ -52,9 +52,7 @@ public function __construct(
     }
 
     /**
-     * @param string $index
-     * @param Dimension[] $dimensions
-     * @return void
+     * @inheritdoc
      */
     public function delete($index, array $dimensions = [])
     {
@@ -66,17 +64,16 @@ public function delete($index, array $dimensions = [])
     }
 
     /**
-     * @param string $index
-     * @param array $fields
-     * @param Dimension[] $dimensions
-     * @return void
+     * @inheritdoc
      */
     public function create($index, array $fields, array $dimensions = [])
     {
         $this->createFlatTable($this->flatScopeResolver->resolve($index, $dimensions), $fields);
     }
 
     /**
+     * Creates index table with provided fields configuration
+     *
      * @param string $tableName
      * @param array $fields
      * @throws \Zend_Db_Exception
@@ -104,7 +101,7 @@ protected function createFlatTable($tableName, array $fields)
             $name = $field['name'];
             $type = $columnMap['type'];
             $size = $columnMap['size'];
-            if ($field['type'] === 'filterable') {
+            if ($field['type'] === 'filterable' || (isset($field['index']) && $field['index'] === true)) {
                 $table->addIndex(
                     $this->resource->getIdxName($tableName, $name, AdapterInterface::INDEX_TYPE_INDEX),
                     $name,
@@ -126,6 +123,8 @@ protected function createFlatTable($tableName, array $fields)
     }
 
     /**
+     * Returns an instance of the db connection
+     *
      * @return false|AdapterInterface
      */
     private function getAdapter()