Description

Rename the fields of a batch operator.

Parameters

Name Description Type Required？ Default Value
clause Operation clause. String ✓

Script Example

Code

  1. URL = "https://alink-release.oss-cn-beijing.aliyuncs.com/data-files/iris.csv"
  2. SCHEMA_STR = "sepal_length double, sepal_width double, petal_length double, petal_width double, category string";
  3. data = CsvSourceBatchOp().setFilePath(URL).setSchemaStr(SCHEMA_STR)
  4. data = data.link(AsBatchOp().setClause("f1,f2,f3"))