fixes #1496 columnPrefix specified in constructor mapping should be converted to uppercase. Otherwise, auto-mapping in the referenced result map does not find the matching column.

Author: harawata

src/main/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandler.java

@@ -632,7 +632,7 @@ Object createParameterizedResultObject(ResultSetWrapper rsw, Class<?> resultType
           value = getNestedQueryConstructorValue(rsw.getResultSet(), constructorMapping, columnPrefix);
         } else if (constructorMapping.getNestedResultMapId() != null) {
           final ResultMap resultMap = configuration.getResultMap(constructorMapping.getNestedResultMapId());
-          value = getRowValue(rsw, resultMap, constructorMapping.getColumnPrefix());
+          value = getRowValue(rsw, resultMap, getColumnPrefix(columnPrefix, constructorMapping));
         } else {
           final TypeHandler<?> typeHandler = constructorMapping.getTypeHandler();
           value = typeHandler.getResult(rsw.getResultSet(), prependPrefix(column, columnPrefix));

src/test/java/org/apache/ibatis/submitted/constructor_columnprefix/Mapper.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2009-2018 the original author or authors.
+       Copyright 2009-2019 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -31,7 +31,6 @@
   <resultMap id="authorRM"
     type="org.apache.ibatis.submitted.constructor_columnprefix.Author">
     <id property="id" column="id" />
-    <result property="name" column="name" />
   </resultMap>
 
   <resultMap id="articleRM"