Configuring and Importing the HCatalog API Sample Project

Scenario

To run the HCatalog API sample code of Presto, you need to perform the following operations. The following example develops an application that uses HCatalog to connect to Presto in the Windows environment.

Procedure

1. Obtain the Presto sample project. For details, see Obtaining Sample Projects from Huawei Mirrors.
2. In the root directory of the Presto sample project, run the mvn install command to perform compilation.
3. In the root directory of the Presto sample project, run the mvn idea:idea command to create an IntelliJ IDEA project.
4. Import the example project to the IntelliJ IDEA development environment.
   1. Open IntelliJ IDEA and choose File > Open.
   2. In the Open File or Project dialog box that is displayed, select the Presto sample project folder and click OK. After the folder is imported, the HCatalogExample class in the com.huawei.bigdata.presto.example folder is the HCatalog API sample code.

5. Set the IntelliJ IDEA text file coding format to prevent garbled characters.
   1. On the IntelliJ IDEA menu bar, choose File > Settings.
   2. Choose Editor > File Encodings from the navigation tree of the Settings window. In the "Global Encoding" and "Project Encodings" area, set the value to UTF-8, click Apply, and click OK, as shown in Figure 1
      Figure 1 Setting the IntelliJ IDEA coding format