The following mybatis mapping works on all our supported databases except for one. This is because that database does not allow a bulk insert method (Intersystems Cache). Because of that I'd like to submit individual insert statements instead rather than one. How could I structure this mybatis statement so that it still reads from my java.util.List but it does multiple inserts?
<insert id="bulkInsert" parameterType="java.util.List" >
<foreach collection="list" item="resource" index="index">
INSERT INTO ${prefix}ACT_APP_DEPLOYMENT_RESOURCE(ID_, NAME_, RESOURCE_BYTES_, DEPLOYMENT_ID_) VALUES
(#{resource.id, jdbcType=VARCHAR},
#{resource.name, jdbcType=VARCHAR},
#{resource.bytes, jdbcType=${blobType}},
#{resource.deploymentId, jdbcType=VARCHAR})
</foreach>
</insert>
If you are using java version 8+ you can use default method in mapper like this:
interface MyMapper {
void insertResource(@Param("resource") MyResource resource);
default void bulkInsert(List<MyResource> resources) {
for(MyResource resource:resources) {
insertResource(resource);
}
}
}
And modify the mapper xml:
<insert id="insertResource">
INSERT INTO ${prefix}ACT_APP_DEPLOYMENT_RESOURCE(ID_, NAME_, RESOURCE_BYTES_, DEPLOYMENT_ID_) VALUES
(#{resource.id, jdbcType=VARCHAR},
#{resource.name, jdbcType=VARCHAR},
#{resource.bytes, jdbcType=${blobType}},
#{resource.deploymentId, jdbcType=VARCHAR})
</insert>