Documentation for new mapper

Author: jeffgbutler

CHANGELOG.md

@@ -43,6 +43,8 @@ The pull request for this change is ([#550](https://github.com/mybatis/mybatis-d
    please test to make sure it is supported in your database. ([#544](https://github.com/mybatis/mybatis-dynamic-sql/pull/544))
 2. Deprecated Kotlin DSL functions have been removed, as well as deprecated support for "EmptyListCallback" in the "in"
    conditions. ([#548](https://github.com/mybatis/mybatis-dynamic-sql/pull/548))
+3. Refactored the common insert mapper support for MyBatis3 by adding a CommonGeneralInsertMapper that can be used
+   without a class that matches the table row. It includes methods for general insert and insert select. 
 
 
 

src/site/markdown/docs/mybatis3.md

@@ -23,14 +23,15 @@ JDBC template.
 These mappers provide utility functions that execute simple queries. They can be used as-as, or can be extended. They
 provide methods as follows:
 
-| Mapper | Methods(s) |
-|---|---|
-| `org.mybatis.dynamic.sql.util.mybatis3.CommonCountMapper` | `long count(SelectStatementProvider)` |
-| `org.mybatis.dynamic.sql.util.mybatis3.CommonDeleteMapper` | `int delete(DeleteStatementProvider)`
-| `org.mybatis.dynamic.sql.util.mybatis3.CommonInsertMapper<T>` | `int insert(InsertStatementProvider<T>)`<br/>`int generalInsert(GeneralInsertStatementProvider)`<br/>`int insertSelect(InsertSelectStatementProvider)`<br/>`int insertMultiple(MultiRowInsertStatementProvider<T>)` |
-| `org.mybatis.dynamic.sql.util.mybatis3.CommonUpdateMapper` | `int update(UpdateStatementProvider)` |
-
-These mappers, as well as the common selectmapper, can be used to create a general purpose CRUD mapper as follows:
+| Mapper                                                                                                 | Methods(s) |
+|--------------------------------------------------------------------------------------------------------|---|
+| `org.mybatis.dynamic.sql.util.mybatis3.CommonCountMapper`                                              | `long count(SelectStatementProvider)` |
+| `org.mybatis.dynamic.sql.util.mybatis3.CommonDeleteMapper`                                             | `int delete(DeleteStatementProvider)`
+| `org.mybatis.dynamic.sql.util.mybatis3.CommonInsertMapper<T>`<br/>(extends `CommonGeneralInsertMapper`) | `int insert(InsertStatementProvider<T>)`<br/>`int insertMultiple(MultiRowInsertStatementProvider<T>)` |
+| `org.mybatis.dynamic.sql.util.mybatis3.CommonGeneralInsertMapper`                                      | `int generalInsert(GeneralInsertStatementProvider)`<br/>`int insertSelect(InsertSelectStatementProvider)` |
+| `org.mybatis.dynamic.sql.util.mybatis3.CommonUpdateMapper`                                             | `int update(UpdateStatementProvider)` |
+
+These mappers, as well as the `CommonSelectMapper`, can be used to create a general purpose CRUD mapper as follows:
 
 ```java
 import org.apache.ibatis.annotations.Mapper;