@Test
    public void testSQLServerFieldTypeInfo() {
        StreamField streamField = new StreamField();
        streamField.setIsMetaField(0);
        streamField.setFieldName("contentXML");
        streamField.setFieldType("XML");
        FieldInfo fieldInfo = FieldInfoUtils.parseStreamFieldInfo(streamField,
                "nodeId", new SQLServerFieldTypeStrategy());
        TypeInfo typeInfo = fieldInfo.getFormatInfo().getTypeInfo();
        Assertions.assertTrue(typeInfo instanceof StringTypeInfo);
    }
Different data source field type conversion mapping test class.
inlong-manager/manager-pojo/src/test/java/org/apache/inlong/manager/pojo/sort/util/FieldInfoUtilsTest.java