"MyBatis Generator英文版资料：MBG简介与生成器使用详解"

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The MyBatis Generator (MBG) is a powerful code generator tool designed specifically for MyBatis, a popular Java persistence framework. This tool simplifies the process of setting up objects and configuration files to interact with database tables by automatically generating code for access to these tables. By introspecting one or more database tables, MBG generates artifacts that streamline the development process, particularly for simple CRUD (Create, Read, Update, Delete) operations. This tool is essential for developers looking to efficiently and effectively manage database operations within their Java applications. The MyBatis Generator.doc provides comprehensive documentation and guidance on utilizing this tool for offline study and research purposes. With MBG, developers can boost productivity and focus on building robust, high-performance applications without the hassle of manual code generation.

Enhancements

 IBATIS-569 - Modified the IbatorRules implementation to make it easier for plugins to

provide custom implementations of IbatorRules. See the Javadoc for the new

classorg.apache.ibatis.ibator.internal.rules.IbatorRulesDelegatefor more

information.

 IBATIS-571 - Added support for automatically delimiting SQL keywords if they are

used as column names in tables. See the<ibatorContext>page for more information.

 IBATIS-577 - Define SQL fragments for column lists to improve reusability of

generated code. Thanks to Iwao AVE! for the idea and the initial patch.

 Added new-verbosecommand line argument. See theRunning Ibatorpage for

more information.

 Added logging statements for use in debug. See theLoggingpage for more

information.

 Added new example plugin to demonstrate adding case insensitive LIKE support to

generated Example classes. See the<ibatorPlugin>page for more information.

 Added "delimitAllColumns" attribute to table configurations. This supports databases

like PosgreSQL that are case sensitive for identifiers. See the<table>page for more

information.

 Added a page explaining how to deal with case sensitivity in PostgreSQL. See

thePostgreSQLpage for more information.

 IBATIS-586 - Added the ability to specify nested property elements on

columnOverrides. See the<columnOverride>page for more information. Thanks to

Dan Turkenkopf for the idea and a nice initial patch.

 The IntrospectedColumn class now contains any column remarks returned during

database introspection. This may be useful for some CommentGenerators.

 IBATIS-592 - Added attributes to IntrospectedTable that contain the calculated

SqlMap namespace, and the calculated runtime table names. These can now be

overridden in plugins.

 Fixed addCriterionfor JDBC* methods so that they all do a null check.

 Fixed IbatorRunner so that configuration errors are shown (thanks to Karel Rank)

 IBATIS-605 - Added Informix Dialect for<generatedKey>

 Addedd support for "distinct" on select by example methods

 Added new "or" method to example classes

 Added new "useCompoundPropertyNames" property on <table>

 Enabled a far simpler method for extending the example classes

 EqualsHashCodePlugin now generates far superior methods

Version 1.2.1

Bugs Fixed

o A plugin that will make generated model classes Serializable

(org.apache.ibatis.ibator.plugins.SerializablePlugin)

o A plugin that will addequalsandhashCodemethods to generated model classes

(org.apache.ibatis.ibator.plugins.EqualsHashCodePlugin)

 Added support for "runtimeCatalog" and "runtimeSchema" properties to

the<table>configuration element. Thanks to Dan Turkenkopf for the idea and the

patch!

 New generated method - insertSelective. This method will allow you to use column

defaults on a table definition on insert

 Added the ability to specify a that DAO implementation classes be in a separate

package from the DAO interface classes.

Changes from Abator

There are several breaking changes between Ibator and Abator. This list details the

changes, and has methods of resolving the differences.

 JSE 5.0 or higher is required for Ibator

 Ibator does not contain the "legacy" code generators from Abator. You must choose

"Ibatis2Java2" or "Ibatis2Java5" as a target runtime - and code generated from

Ibator is compatible with iBATIS version 2.2.0 or higher only. If you are using an

earlier version of iBATIS - upgrade! If you are not able to upgrade, then you must

continue to use Abator.

 The classloading strategy in Ibator is changed from Abator. In all cases, we now

recommend specifying the classpath external to Ibator and we further recommend

that you do not use the<classPathEntry>element. You may specify classpath

entries if you feel you must, but those entries will only be used when loading JDBC

drivers of Java model root classes. If you write a custom extension to Ibator, or a

plugin, you must specify that classpath entry external to Ibator.

 The API for extending Ibator is significantly changed from Abator. In most cases,

implementations of the old Abator interfaces should be converted to Ibator plugins.

See theExtending Ibatorfor more information.

 TheafterXXXGenerationHookmethods have been removed from all Ibator supplied

implementations of the core interfaces. If you were extending an Ibator supplied

implementation to make use of these methods, then youmustmigrate your code to

an Ibator plugin.

 The build has been significantly modified and now includes an Emma based code

coverage report.

 Changes to the XML configuration file are required. See theMigrating from

Abatorpage for detailed information

Version 1.1.0

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