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  • Sqlite catalog and schema settings (for MyBatis generator)

    - by user1769754
    I have been trying to use the MyBatis generator on a Sqlite database but can't seem to find what settings to use for the XML attributes catalog and schema. The generator errors with "Generation Warnings Occured: Table configuration with catalog main, schema sqlite_master, and table testTable did not resolve to any tables" I can't find much from the sqlite website other than this which gives something like catalog = main, schema = sqlite or sqlite_master My generator XML file is <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" > <generatorConfiguration > <context id="context"> <jdbcConnection driverClass="org.sqlite.JDBC" connectionURL="jdbc:sqlite:testDB.sqlite" userId="" password="" ></jdbcConnection> <javaModelGenerator targetPackage="model" targetProject="test/src" ></javaModelGenerator> <sqlMapGenerator targetPackage="model" targetProject="test/src" ></sqlMapGenerator> <javaClientGenerator targetPackage="model" targetProject="test" type="XMLMAPPER" ></javaClientGenerator> <table catalog="main" schema="sqlite_master" tableName="testTable" > <property name="useActualColumnNames" value="true"/> </table> </context> </generatorConfiguration> I have also tried other combinations like <table catalog="main" schema="sqlite" tableName="testTable" > <table schema="sqlite" tableName="testTable" > <table schema="sqlite_master" tableName="testTable" > <table schema="main.testTable" tableName="testTable" > Anyone here know the right settings?

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  • Mybatis nested collection doesn't work correctly with column prefix

    - by Shikarn-O
    I need to set collection for object in another collection using mybatis mappings. It works for me w/o using columnPrefix, but I need it since there are a lot of repeteable columns. <collection property="childs" javaType="ArrayList" ofType="org.example.mybatis.Child" resultMap="ChildMap" columnPrefix="c_"/> </resultMap> <resultMap id="ChildMap" type="org.example.mybatis.Parent"> <id column="Id" jdbcType="VARCHAR" property="id" /> <id column="ParentId" jdbcType="VARCHAR" property="parentId" /> <id column="Name" jdbcType="VARCHAR" property="name" /> <id column="SurName" jdbcType="VARCHAR" property="surName" /> <id column="Age" jdbcType="INTEGER" property="age" /> <collection property="toys" javaType="ArrayList" ofType="org.example.mybatis.Toy" resultMap="ToyMap" columnPrefix="t_"/> </resultMap> <resultMap id="ToyMap" type="org.example.mybatis.Toy"> <id column="Id" jdbcType="VARCHAR" property="id" /> <id column="ChildId" jdbcType="VARCHAR" property="childId" /> <id column="Name" jdbcType="VARCHAR" property="name" /> <id column="Color" jdbcType="VARCHAR" property="color" /> </resultMap> <sql id="Parent_Column_List"> p.Id, p.Name, p.SurName, </sql> <sql id="Child_Column_List"> c.Id as c_Id, c.ParentId as c_ParentId, c.Name as c_Name, c.SurName as c_Surname, c.Age as c_Age, </sql> <sql id="Toy_Column_List"> t.Id as t_Id, t.Name as t_Name, t.Color as t_Color </sql> <select id="getParent" parameterType="java.lang.String" resultMap="ParentMap" > select <include refid="Parent_Column_List"/> <include refid="Child_Column_List" /> <include refid="Toy_Column_List" /> from Parent p left outer join Child c on p.Id = c.ParentId left outer join Toy t on c.Id = t.ChildId where p.id = #{id,jdbcType=VARCHAR} With columnPrefix all works fine, but nested toys collection is empty. Sql query on database works correctly and all toys are joined. May be i missed something or this is bug with mybatis?

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  • Architecture design with MyBatis mappers

    - by Wolf
    I am creating rest web service for providing data. I am using Spring MVC for handling rest requests, and MyBatis for data access. Application should be designed in the way that it should be easy to change the data access implementation (for example to hibernate or something else) and it has to be fast (so I am trying to avoid unnecessary overcomplication of design). Now my question is about the general design of layers. I would normally use DAO interface and then different implementations for different data access strategies, but MyBatis uses interfaces to access the data. So I can think of 2 possible models but I am not sure which one is better or if there is any other nice way: Controller layer - uses Service layer interfaces services are then implemented for each data access stretegy - for example for mybatis: service implementation uses Mapper classes to access data and do whatever it needs to do with them and sends them to controller layer Controller layer - uses Service layer - service layer uses DAO interfaces DAOs are then implemented for each data access strategy - for example for mybatis: DAO class uses mapper interface to access data and sends them to service layer, service layer then do whatever it needs to do with them and sends them to controller layer I prefer the first strategy as it seems to be less complicated, but then I would have to write all of the service code for another data access again. What do you think? Thank You

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  • What are the advantages of myBatis over Hibernate?

    - by Kshitiz Sharma
    This question originates from a comment I received on one of my questions - I'd rather drop hibernate in favor of mybatis instead of jdbc I've done some research on my own and understand the basic concept. But some insights can only be gained through actual experience. What are the advantages of myBatis that would make it worth learning a new framework? In what case would you avoid using it?

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  • Insert a list of objects using MyBatis 3

    - by T Soares
    I've tried to insert a list in a database but I've got some the error: org.springframework.jdbc.BadSqlGrammarException: SqlSession operation; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-00913: too many values (...). The code that I've used: <insert id="insertListMyObject" parameterType="java.util.List" > INSERT INTO my_table (ID_ITEM, ATT1, ATT2) VALUES <foreach collection="list" item="item" index="index" open="(" close=")" separator=","> #{item.idItem, jdbcType=BIGINT}, #{item.att1, jdbcType=INTEGER}, #{item.att2, jdbcType=STRING} </foreach> </insert> My dao cals the method: SqlSessionTemplate().insert(MAPPER+".insertListMyObject", parameterList); Where the parameterList is: List<MyObjects>. Does someone have a clue about what's this error? Or if does exists a better way to do multiples inserts operation. Many thanks!

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  • How to deploy axis2 + MyBatis

    - by henry
    I am trying to do webservice (I am quite new in Webservice under java). I am using netbeans. Axis2 is having problem trying to locate the the xml configuration file for mybatis Anyone can tell me how to successfully deploy mybatis configuration. Should I manually copy the configuration under .netbeans\6.8\apache-tomcat-6.0.20_base\webapps\axis2\WEB-INF\classes or there is any other setting?

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  • IBatis: "Unable to cast object of type 'Castle.Proxies.IDaoProxy' to type 'SysProt.Dao.ICustomerDao'."

    - by j_maly
    I am trying to set up IBatis.NET. I have downloaded the sources from http://mybatisnet.googlecode.com/svn/branches/ibatis-1-maintenance/src. This is my initialization DomDaoManagerBuilder builder = new DomDaoManagerBuilder(); builder.Configure("dao.config"); IDaoManager daoManager = DaoManager.GetInstance("SqlMapDao"); customerDao = daoManager[typeof(ICustomerDao)]; ICustomerDao cd = (ICustomerDao) customerDao; The last line throws InvalidCastException "Unable to cast object of type 'Castle.Proxies.IDaoProxy' to type 'SysProt.Dao.ICustomerDao'." I am not sure, what I did wrong, my dao.config files contains Here are the definitions of the classes/interfaces: public interface ICustomerDao { Customer Load(long id); } public class CustomerDao: BaseDao, ICustomerDao { public Customer Load(long id) { throw new NotImplementedException(); } } public class BaseDao : IDao { protected DaoSession GetContext() { IDaoManager daoManager = DaoManager.GetInstance(this); return (daoManager.LocalDaoSession as DaoSession); } }

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  • Is it possible to put myBatis (iBatis) xml mappers outside the project?

    - by kospiotr
    According to the user guide i am able to use file path instead of resource: // Using classpath relative resources <mappers> <mapper resource="org/mybatis/builder/AuthorMapper.xml"/> </mappers> // Using url fully qualified paths <mappers> <mapper url="file:///var/sqlmaps/AuthorMapper.xml"/> </mappers> in my project I'm trying to put my mapper xml "outside" the project and i'm doing this: <mapper url="file://D:/Mappers/ComponentMapper1.xml" /> The output of my log4j console: Error building SqlSession. The error may exist in file://D:/Mappers/ComponentMapper1.xml Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.net.UnknownHostException: D Is it bug or it's me doing something wrong?

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