Updated on 2022-07-11 GMT+08:00

Typical Application Scenario

This section describes the application development in a typical scenario, helping you quickly learn and master the HetuEngine development process and know key functions.

Scenario

Assume that a user develops an application and needs to perform the join operation on table A of the Hive data source and table B of the MPPDB data source. In this case, HetuEngine can be used to implement data query of the Hive data source, the process is as follows:

  1. Connect to the HetuEngine JDBC server.
  2. Assemble SQL statements.
  3. Execute SQL statements.
  4. Parse the returned result.
  5. Close the HetuEngine JDBC Server connection.