DeltaWriter

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable, org.apache.spark.sql.connector.write.DataWriter<T>
```
public interface DeltaWriter<T>
extends org.apache.spark.sql.connector.write.DataWriter<T>
```
A data writer responsible for writing a delta of rows.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`delete(T metadata, T id)`	Passes information for a row that must be deleted.
`void`	`insert(T row)`	Passes a row to insert.
`void`	`update(T metadata, T id, T row)`	Passes information for a row that must be updated together with the updated row.
`default void`	`write(T row)`

Methods inherited from interface java.io.Closeable
close

Methods inherited from interface org.apache.spark.sql.connector.write.DataWriter
abort, commit, currentMetricsValues

- Method Detail
  - delete
```
void delete(T metadata,
            T id)
     throws java.io.IOException
```
    Passes information for a row that must be deleted.
    
    Parameters:
    
    metadata - values for metadata columns that were projected but are not part of the row ID
    
    id - a row ID to delete
    
    Throws:
    
    java.io.IOException - if the write process encounters an error
  - update
```
void update(T metadata,
            T id,
            T row)
     throws java.io.IOException
```
    Passes information for a row that must be updated together with the updated row.
    
    Parameters:
    
    metadata - values for metadata columns that were projected but are not part of the row ID
    
    id - a row ID to update
    
    row - a row with updated values
    
    Throws:
    
    java.io.IOException - if the write process encounters an error
  - insert
```
void insert(T row)
     throws java.io.IOException
```
    Passes a row to insert.
    
    Parameters:
    
    row - a row to insert
    
    Throws:
    
    java.io.IOException - if the write process encounters an error
  - write
```
default void write(T row)
            throws java.io.IOException
```
    Specified by:
    
    write in interface org.apache.spark.sql.connector.write.DataWriter<T>
    
    Throws:
    
    java.io.IOException