ETLUtils (venice API)

java.lang.Object
- com.linkedin.venice.etl.ETLUtils

public class ETLUtils
extends java.lang.Object

Constructor Summary

Constructors
Constructor Description

ETLUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static org.apache.avro.Schema`	`getValueSchemaFromETLValueSchema(org.apache.avro.Schema etlValueSchema, ETLValueSchemaTransformation transformation)`	Get the store's value schema from it's value schema in the ETL output and the transformation that was applied to construct it.
`static org.apache.avro.Schema`	`transformValueSchemaForETL(org.apache.avro.Schema valueSchema)`	Modify a store value schema to the value schema that can be used for ETL by allowing "null" values to be set

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ETLUtils
```
public ETLUtils()
```
- Method Detail
  - transformValueSchemaForETL
```
public static org.apache.avro.Schema transformValueSchemaForETL(org.apache.avro.Schema valueSchema)
```
    Modify a store value schema to the value schema that can be used for ETL by allowing "null" values to be set
    
    Parameters:
    
    valueSchema - The store's value schema
    
    Returns:
    
    A schema that can be used for ETL by allowing "null" values to be set
  - getValueSchemaFromETLValueSchema
```
public static org.apache.avro.Schema getValueSchemaFromETLValueSchema(org.apache.avro.Schema etlValueSchema,
                                                                      ETLValueSchemaTransformation transformation)
```
    Get the store's value schema from it's value schema in the ETL output and the transformation that was applied to construct it.
    
    Parameters:
    
    etlValueSchema - Schema of the "value" field in the ETL data.
    
    transformation - The transformation that was applied to construct the schema of the "value" field in ETL data from the store's value schema.
    
    Returns:
    
    The store's value schema that would have been used to construct the schema of "value" field in ETL data.