Discriminator Articles

Spring Boot + MyBatis Polymorphic Mapping with discriminator - resultMap Implementation to Branch a Single Table by Type

This article explains how to use MyBatis's discriminator tag and case elements to map multiple types (such as notification types or payment methods) mixed within a single table or JOIN result to different DTOs/subclasses using only resultMap, without any branching logic on the Java side.

2026-10-15