mybatis mapper template is a mybatis mapper template sample that gives infomration on mybatis mapper template doc. When designing mybatis mapper template, it is important to consider different mybatis mapper template format such as mybatis mapper template word, mybatis mapper template pdf. You may add related information such as mybatis mapper annotation, mybatis parametertype%3Dmap, mybatis foreach, mybatis foreach example.
the select statement is one of the most popular elements that you’ll use in mybatis. however, if you pass in a complex object, then the behavior is a little different. oracle refcursor), you must specify a resultmap to map the resultset to the type of the parameter. table name or column name) in the sql statement is dynamic, for example, if you want to select from a table by any one of its columns, instead of writing code like: note it’s not safe to accept input from a user and supply it to a statement unmodified in this way. and it would be great if it was possible to have a single database map perfectly to all of the applications that use it, it’s not. the downside to using frameworks is that they are sometimes a bit of a black box (open source or not). you specify the target property, the javatype of the property (which mybatis can figure out most of the time), the jdbctype if necessary and a typehandler if you want to override the retrieval of the result values.
the following is a far simpler example to demonstrate how this works. this can be used to hit the database just once and return related data without using a join. note there’s no limit to the depth, breadth or combinations of the associations and collections that you map. the discriminator is pretty simple to understand, as it behaves much like a switch statement in java. as you have already seen in the previous sections, in simple cases mybatis can auto-map the results for you and in others you will need to build a result map. the flushinterval can be set to any positive integer and should represent a reasonable amount of time specified in milliseconds. a read-only cache will return the same instance of the cached object to all callers. it’s important to remember that a cache configuration and the cache instance are bound to the namespace of the sql map file.
in the following sample id and username columns will be auto-mapped and hashed_password column will be mapped. < mapperfactorybean">
template language reference package ; public interface basemapper
A mybatis mapper template Word can contain formatting, styles, boilerplate text, headers and footers, as well as autotext entries. It is important to define the document styles beforehand in the sample document as styles define the appearance of Word text elements throughout your document. You may design other styles and format such as mybatis mapper template pdf, mybatis mapper template powerpoint, mybatis mapper template form. When designing mybatis mapper template, you may add related content, mybatis resulttype list, mybatis foreach index, mybatis collection, mybatis like.