ACP2E-2204: Price indexing performance gradually degrades overtime

- truncate statement breaks transactions

Author: aplapana

app/code/Magento/Catalog/Model/Indexer/Product/Price/AbstractAction.php

@@ -367,9 +367,7 @@ protected function _insertFromTable($sourceTable, $destTable, $where = null)
      */
     protected function _emptyTable($table)
     {
-        $connection = $this->getConnection();
-        // phpcs:ignore Magento2.SQL.RawQuery.FoundRawSql
-        $connection->query('TRUNCATE TABLE ' . $connection->quoteIdentifier($table));
+        $this->getConnection()->delete($table);
     }
 
     /**

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

@@ -494,4 +494,17 @@ protected function getIndexTargetTable(): string
     {
         return $this->activeTableSwitcher->getAdditionalTableName($this->_defaultIndexerResource->getMainTable());
     }
+
+    /**
+     * Removes all data from the table
+     *
+     * @param string $table
+     * @return void
+     */
+    protected function _emptyTable($table): void
+    {
+        $connection = $this->_defaultIndexerResource->getConnection();
+        // phpcs:ignore Magento2.SQL.RawQuery.FoundRawSql
+        $connection->query('TRUNCATE TABLE ' . $connection->quoteIdentifier($table));
+    }
 }