parquet-hadoop/src/main/java/org/apache/parquet/hadoop/example/ExampleOutputFormat.java
public static void setSchema(Job job, MessageType schema) {
    GroupWriteSupport.setSchema(schema, ContextUtil.getConfiguration(job));
  }
public static void setSchema(Job job, MessageType schema) {
    GroupWriteSupport.setSchema(schema, ContextUtil.getConfiguration(job));
  }
public static void setSchema ( Job job , MessageType schema ) { GroupWriteSupport . setSchema ( schema , ContextUtil . getConfiguration ( job ) ) ; }
set the schema being written to the job conf
@param job a job
@param schema the schema of the data
set the schema being written to the job conf