MAGETWO-98258: Fix elacticsearch search perfomance

- reverting back fix

Author: cpartica

app/code/Magento/Elasticsearch/Model/Adapter/FieldMapper/Product/FieldProvider/DynamicField.php

@@ -126,7 +126,7 @@ public function getFields(array $context = []): array
         foreach ($groups as $group) {
             $groupPriceKey = $this->fieldNameResolver->getFieldName(
                 $priceAttribute,
-                array_merge($context, ['customerGroupId' => $group->getId()])
+                ['customerGroupId' => $group->getId(), 'websiteId' => $context['websiteId']]
             );
             $allAttributes[$groupPriceKey] = [
                 'type' => $this->fieldTypeConverter->convert(FieldTypeConverterInterface::INTERNAL_DATA_TYPE_FLOAT),

app/code/Magento/Elasticsearch/SearchAdapter/Aggregation/Builder/Term.php

@@ -8,29 +8,24 @@
 use Magento\Framework\Search\Request\BucketInterface as RequestBucketInterface;
 use Magento\Framework\Search\Dynamic\DataProviderInterface;
 
-/**
- * Builder for term buckets.
- */
 class Term implements BucketBuilderInterface
 {
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function build(
         RequestBucketInterface $bucket,
         array $dimensions,
         array $queryResult,
         DataProviderInterface $dataProvider
     ) {
-        $buckets = $queryResult['aggregations'][$bucket->getName()]['buckets'] ?? [];
         $values = [];
-        foreach ($buckets as $resultBucket) {
+        foreach ($queryResult['aggregations'][$bucket->getName()]['buckets'] as $resultBucket) {
             $values[$resultBucket['key']] = [
                 'value' => $resultBucket['key'],
                 'count' => $resultBucket['doc_count'],
             ];
         }
-
         return $values;
     }
 }

app/code/Magento/Elasticsearch/SearchAdapter/Query/Builder/Match.php

@@ -5,16 +5,11 @@
  */
 namespace Magento\Elasticsearch\SearchAdapter\Query\Builder;
 
-use Magento\Elasticsearch\SearchAdapter\Query\ValueTransformerPool;
-use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Search\Request\Query\BoolExpression;
 use Magento\Framework\Search\Request\QueryInterface as RequestQueryInterface;
 use Magento\Elasticsearch\Model\Adapter\FieldMapperInterface;
 use Magento\Framework\Search\Adapter\Preprocessor\PreprocessorInterface;
 
-/**
- * Builder for match query.
- */
 class Match implements QueryInterface
 {
     /**
@@ -28,35 +23,24 @@ class Match implements QueryInterface
     private $fieldMapper;
 
     /**
-     * @deprecated
-     * @see \Magento\Elasticsearch\SearchAdapter\Query\ValueTransformer\TextTransformer
      * @var PreprocessorInterface[]
      */
     protected $preprocessorContainer;
 
-    /**
-     * @var ValueTransformerPool
-     */
-    private $valueTransformerPool;
-
     /**
      * @param FieldMapperInterface $fieldMapper
      * @param PreprocessorInterface[] $preprocessorContainer
-     * @param ValueTransformerPool|null $valueTransformerPool
      */
     public function __construct(
         FieldMapperInterface $fieldMapper,
-        array $preprocessorContainer,
-        ValueTransformerPool $valueTransformerPool = null
+        array $preprocessorContainer
     ) {
         $this->fieldMapper = $fieldMapper;
         $this->preprocessorContainer = $preprocessorContainer;
-        $this->valueTransformerPool = $valueTransformerPool ?? ObjectManager::getInstance()
-            ->get(ValueTransformerPool::class);
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function build(array $selectQuery, RequestQueryInterface $requestQuery, $conditionType)
     {
@@ -77,14 +61,16 @@ public function build(array $selectQuery, RequestQueryInterface $requestQuery, $
     }
 
     /**
-     * Prepare query.
-     *
      * @param string $queryValue
      * @param string $conditionType
      * @return array
      */
     protected function prepareQuery($queryValue, $conditionType)
     {
+        $queryValue = $this->escape($queryValue);
+        foreach ($this->preprocessorContainer as $preprocessor) {
+            $queryValue = $preprocessor->process($queryValue);
+        }
         $condition = $conditionType === BoolExpression::QUERY_CONDITION_NOT ?
             self::QUERY_CONDITION_MUST_NOT : $conditionType;
         return [
@@ -113,34 +99,21 @@ protected function buildQueries(array $matches, array $queryValue)
 
         // Checking for quoted phrase \"phrase test\", trim escaped surrounding quotes if found
         $count = 0;
-        $value = preg_replace('#^"(.*)"$#m', '$1', $queryValue['value'], -1, $count);
+        $value = preg_replace('#^\\\\"(.*)\\\\"$#m', '$1', $queryValue['value'], -1, $count);
         $condition = ($count) ? 'match_phrase' : 'match';
 
-        $attributesTypes = $this->fieldMapper->getAllAttributesTypes();
-        $transformedTypes = [];
         foreach ($matches as $match) {
             $resolvedField = $this->fieldMapper->getFieldName(
                 $match['field'],
                 ['type' => FieldMapperInterface::TYPE_QUERY]
             );
-            $valueTransformer = $this->valueTransformerPool->get($attributesTypes[$resolvedField]['type'] ?? 'text');
-            $valueTransformerHash = \spl_object_hash($valueTransformer);
-            if (!isset($transformedTypes[$valueTransformerHash])) {
-                $transformedTypes[$valueTransformerHash] = $valueTransformer->transform($value);
-            }
-            $transformedValue = $transformedTypes[$valueTransformerHash];
-            if (null === $transformedValue) {
-                //Value is incompatible with this field type.
-                continue;
-            }
-
             $conditions[] = [
                 'condition' => $queryValue['condition'],
                 'body' => [
                     $condition => [
                         $resolvedField => [
-                            'query' => $transformedValue,
-                            'boost' => $match['boost'] ?? 1,
+                            'query' => $value,
+                            'boost' => isset($match['boost']) ? $match['boost'] : 1,
                         ],
                     ],
                 ],
@@ -151,15 +124,18 @@ protected function buildQueries(array $matches, array $queryValue)
     }
 
     /**
+     * Cut trailing plus or minus sign, and @ symbol, using of which causes InnoDB to report a syntax error.
+     * @link https://dev.mysql.com/doc/refman/5.7/en/fulltext-boolean.html Fulltext-boolean search docs.
+     *
      * Escape a value for special query characters such as ':', '(', ')', '*', '?', etc.
      *
-     * @deprecated
-     * @see \Magento\Elasticsearch\SearchAdapter\Query\ValueTransformer\TextTransformer
      * @param string $value
      * @return string
      */
     protected function escape($value)
     {
+        $value = preg_replace('/@+|[@+-]+$/', '', $value);
+
         $pattern = '/(\+|-|&&|\|\||!|\(|\)|\{|}|\[|]|\^|"|~|\*|\?|:|\\\)/';
         $replace = '\\\$1';