Rework multi-table handling and non-select query plan code to allow caching and help Hibernate Reactive

Author: beikov

hibernate-core/src/main/java/org/hibernate/query/sqm/internal/AbstractMultiTableMutationQueryPlan.java

@@ -43,6 +43,11 @@ public int executeUpdate(DomainQueryExecutionContext context) {
 		return interpretation.handler().execute( interpretation.jdbcParameterBindings(), context );
 	}
 
+	// For Hibernate Reactive
+	protected S getStatement() {
+		return statement;
+	}
+
 	// For Hibernate Reactive
 	protected Interpretation getInterpretation(DomainQueryExecutionContext context) {
 		Interpretation builtInterpretation = null;