Clean up catalogrule_product_price_replica table

See #31752 for details.
Related commits have been labelled with MC-41807.

Author: fredden

app/code/Magento/CatalogRule/Setup/Patch/Schema/CleanUpProductPriceReplicaTable.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\CatalogRule\Setup\Patch\Schema;
+
+use Magento\Framework\Setup\ModuleDataSetupInterface;
+use Magento\Framework\Setup\Patch\SchemaPatchInterface;
+
+class CleanUpProductPriceReplicaTable implements SchemaPatchInterface
+{
+    /** @var ModuleDataSetupInterface */
+    private ModuleDataSetupInterface $moduleDataSetup;
+
+    /**
+     * @param ModuleDataSetupInterface $moduleDataSetup
+     */
+    public function __construct(
+        ModuleDataSetupInterface $moduleDataSetup
+    ) {
+        $this->moduleDataSetup = $moduleDataSetup;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function apply(): void
+    {
+        $connection = $this->moduleDataSetup->getConnection();
+        $connection->startSetup();
+
+        // There was a bug which caused the catalogrule_product_price_replica
+        // table to become unnecessarily large. The bug causing the growth has
+        // been resolved. This schema patch cleans up the damage done by that
+        // bug on existing websites. Deleting all entries from the replica table
+        // is safe.
+        // See https://github.com/magento/magento2/issues/31752 for details.
+
+        $tableName = $connection->getTableName('catalogrule_product_price_replica');
+
+        if ($connection->isTableExists($tableName)) {
+            $connection->truncateTable($tableName);
+        }
+
+        $connection->endSetup();
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getDependencies(): array
+    {
+        return [];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getAliases(): array
+    {
+        return [];
+    }
+}