MAGETWO-66195: SQL Error during price reindexation process for custom profile

Author: Stanislav Idolov

app/code/Magento/Catalog/Model/Indexer/Product/Price/Action/Full.php

@@ -117,8 +117,9 @@ public function execute($ids = null)
                     $entityIds = $this->batchProvider->getBatchIds($connection, $select, $batch);
 
                     if (!empty($entityIds)) {
-                        // Temporary table will created
+                        // Temporary table will created if not exists
                         $idxTableName = $this->_defaultIndexerResource->getIdxTable();
+                        $this->_emptyTable($idxTableName);
 
                         if ($indexer->getIsComposite()) {
                             $this->_copyRelationIndexData($entityIds);

app/code/Magento/Catalog/Model/ResourceModel/Product/Indexer/TemporaryTableStrategy.php

@@ -6,6 +6,9 @@
 
 namespace Magento\Catalog\Model\ResourceModel\Product\Indexer;
 
+/**
+ * Provided logic will create temporary table based on memory table and will return new index table name.
+ */
 class TemporaryTableStrategy implements \Magento\Framework\Indexer\Table\StrategyInterface
 {
     const TEMP_SUFFIX = '_temp';

app/code/Magento/Catalog/Test/Unit/Model/ResourceModel/Product/Indexer/Price/CompositeProductRowSizeEstimatorTest.php

@@ -18,39 +18,64 @@ class CompositeProductRowSizeEstimatorTest extends \PHPUnit_Framework_TestCase
     /**
      * @var \PHPUnit_Framework_MockObject_MockObject
      */
-    private $rowSizeEstimatorMock;
+    private $websiteManagementMock;
 
     /**
      * @var \PHPUnit_Framework_MockObject_MockObject
      */
     private $defaultPriceMock;
 
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $collectionFactoryMock;
+
     protected function setUp()
     {
-        $this->rowSizeEstimatorMock = $this->getMock(
-            \Magento\Catalog\Model\ResourceModel\Product\Indexer\Price\IndexTableRowSizeEstimator::class,
+        $this->websiteManagementMock = $this->getMock(
+            \Magento\Store\Api\WebsiteManagementInterface::class,
             [],
             [],
             '',
             false
         );
+        $this->collectionFactoryMock = $this->getMock(
+            \Magento\Customer\Model\ResourceModel\Group\CollectionFactory::class,
+            ['create'],
+            [],
+            '',
+            false
+        );
         $this->defaultPriceMock = $this->getMock(
             \Magento\Catalog\Model\ResourceModel\Product\Indexer\Price\DefaultPrice::class,
             [],
             [],
             '',
             false
         );
-        $this->model = new CompositeProductRowSizeEstimator($this->defaultPriceMock, $this->rowSizeEstimatorMock);
+        $this->model = new CompositeProductRowSizeEstimator(
+            $this->defaultPriceMock,
+            $this->websiteManagementMock,
+            $this->collectionFactoryMock
+        );
     }
 
     public function testEstimateRowSize()
     {
-        $expectedResult = 2000;
+        $expectedResult = 40000000;
         $tableName = 'catalog_product_relation';
         $maxRelatedProductCount = 10;
 
-        $this->rowSizeEstimatorMock->expects($this->once())->method('estimateRowSize')->willReturn(200);
+        $this->websiteManagementMock->expects($this->once())->method('getCount')->willReturn(100);
+        $collectionMock = $this->getMock(
+            \Magento\Customer\Model\ResourceModel\Group\Collection::class,
+            [],
+            [],
+            '',
+            false
+        );
+        $this->collectionFactoryMock->expects($this->once())->method('create')->willReturn($collectionMock);
+        $collectionMock->expects($this->once())->method('getSize')->willReturn(200);
 
         $connectionMock = $this->getMock(\Magento\Framework\DB\Adapter\AdapterInterface::class);
         $this->defaultPriceMock->expects($this->once())->method('getConnection')->willReturn($connectionMock);

app/code/Magento/Catalog/Test/Unit/Model/ResourceModel/Product/Indexer/Price/IndexTableRowSizeEstimatorTest.php

@@ -41,7 +41,7 @@ protected function setUp()
 
     public function testEstimateRowSize()
     {
-        $expectedValue = 1800000;
+        $expectedValue = 2400000;
 
         $this->websiteManagementMock->expects($this->once())->method('getCount')->willReturn(100);
         $collectionMock = $this->getMock(