本文整理了Java中org.apache.pig.ResourceSchema.fieldNames方法的一些代码示例，展示了ResourceSchema.fieldNames的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ResourceSchema.fieldNames方法的具体详情如下：
包路径：org.apache.pig.ResourceSchema
类名称：ResourceSchema
方法名：fieldNames

ResourceSchema.fieldNames介绍

[英]Get all field names.
[中]获取所有字段名。

代码示例

代码示例来源：origin: infochimps-labs/wonderdog

/**
  Check that schema is reasonable and serialize the field names as a string for later use.
 */
@Override
public void checkSchema(ResourceSchema s) throws IOException {
  UDFContext context  = UDFContext.getUDFContext();
  Properties property = context.getUDFProperties(ResourceSchema.class);
  String fieldNames   = "";       
  for (String field : s.fieldNames()) {
    fieldNames += field;
    fieldNames += COMMA;
  }
  property.setProperty(PIG_ES_FIELD_NAMES, fieldNames);
}

代码示例来源：origin: infochimps-labs/wonderdog

/**
  Here we set the field names for a given tuple even if we 
 */
@Override
public void checkSchema(ResourceSchema s) throws IOException {
  UDFContext context  = UDFContext.getUDFContext();
  Properties property = context.getUDFProperties(ResourceSchema.class);
  String fieldNames   = "";       
  for (String field : s.fieldNames()) {
    fieldNames += field;
    fieldNames += COMMA;
  }
  property.setProperty(PIG_ES_FIELD_NAMES, fieldNames);
}

代码示例来源：origin: org.apache.pig/pig

OutputStream os = headerFilePath.create();
try {
  String[] names = schema.fieldNames();
  String fn;
  for (int i=0; i < names.length; i++) {