Spark DataSource API The hudi-spark module offers the DataSource API to write a Spark DataFrame into a Hudi table. There are a number of options available: HoodieWriteConfig :...
MiniAccumuloCluster Iterator Test Harness Framework Use Normal Test Outline Limitations Accumulo has several tools that can help developers test their code. MiniAccumuloClu...
Default Fetch Group Named Fetch Groups Dynamic Fetch Groups Fetch Depth Fetch Size When an object is retrieved from the datastore by JDO typically not all fields are retrieve...
Setting candidate class Unique results Defining a result type Parameters As we have described earlier, JDO allows access to many query languages to give the user full flexibil...
There are several competing persistence technologies available for Java. Two of these are “standardised” (via the JCP). When developing your application you need to choose the mos...