ENGCOM-3281: Issue #14571 - Wrong column type when creating temporary tables for flat catalog #18818

 - Merge Pull Request #18818 from jasonevans1/magento2:14571_wrong_column_type
 - Merged commits:
   1. c58ac50

Author: magento-engcom-team

app/code/Magento/Catalog/Model/Indexer/Product/Flat/TableBuilder.php

@@ -7,6 +7,9 @@
 
 use Magento\Catalog\Model\Indexer\Product\Flat\Table\BuilderInterfaceFactory;
 
+/**
+ * Class TableBuilder
+ */
 class TableBuilder
 {
     /**
@@ -137,13 +140,23 @@ protected function _createTemporaryTable($tableName, array $columns, $valueField
             );
             $flatColumns = $this->_productIndexerHelper->getFlatColumns();
 
-            $temporaryTableBuilder->addColumn('entity_id', \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER);
+            $temporaryTableBuilder->addColumn(
+                'entity_id',
+                \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
+                null,
+                ['unsigned'=>true]
+            );
 
             $temporaryTableBuilder->addColumn('type_id', \Magento\Framework\DB\Ddl\Table::TYPE_TEXT);
 
             $temporaryTableBuilder->addColumn('attribute_set_id', \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER);
 
-            $valueTemporaryTableBuilder->addColumn('entity_id', \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER);
+            $valueTemporaryTableBuilder->addColumn(
+                'entity_id',
+                \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
+                null,
+                ['unsigned'=>true]
+            );
 
             /** @var $attribute \Magento\Catalog\Model\ResourceModel\Eav\Attribute */
             foreach ($columns as $columnName => $attribute) {
@@ -198,9 +211,10 @@ protected function _getTemporaryTableName($tableName)
      * Fill temporary entity table
      *
      * @param string $tableName
-     * @param array  $columns
-     * @param array  $changedIds
+     * @param array $columns
+     * @param array $changedIds
      * @return void
+     * @throws \Exception
      */
     protected function _fillTemporaryEntityTable($tableName, array $columns, array $changedIds = [])
     {
@@ -244,11 +258,12 @@ protected function _addPrimaryKeyToTable($tableName, $columnName = 'entity_id')
      * Fill temporary table by data from products EAV attributes by type
      *
      * @param string $tableName
-     * @param array  $tableColumns
-     * @param array  $changedIds
+     * @param array $tableColumns
+     * @param array $changedIds
      * @param string $valueFieldSuffix
      * @param int $storeId
      * @return void
+     * @throws \Exception
      */
     protected function _fillTemporaryTable(
         $tableName,
@@ -345,6 +360,8 @@ protected function _fillTemporaryTable(
     }
 
     /**
+     * Get Metadata Pool
+     *
      * @return \Magento\Framework\EntityManager\MetadataPool
      * @deprecated 101.1.0
      */