com.lancedb.lance.operation

Class Overwrite

java.lang.Object

com.lancedb.lance.operation.SchemaOperation

com.lancedb.lance.operation.Overwrite

All Implemented Interfaces:

Operation

public class Overwrite
extends SchemaOperation

Overwrite the dataset with new fragments. This operation will overwrite the existing dataset. Note: 1. The operation won't delete table config keys which do not exist in configUpsertValues. 2. If we want to create a new Dataset, use Dataset.create instead.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Overwrite.Builder

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Overwrite(List<FragmentMetadata> fragments, org.apache.arrow.vector.types.pojo.Schema schema, Map<String,String> configUpsertValues)

Method Summary

Modifier and Type	Method and Description
static Overwrite.Builder	builder()
Map<String,String>	configUpsertValues()
boolean	equals(Object o)
List<FragmentMetadata>	fragments()
String	name() We use this name to align with the Rust operation enum underlying in JNI.
String	toString()

Methods inherited from class com.lancedb.lance.operation.SchemaOperation

exportSchema, release, schema

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Overwrite

protected Overwrite(List<FragmentMetadata> fragments,
                    org.apache.arrow.vector.types.pojo.Schema schema,
                    Map<String,String> configUpsertValues)

Method Detail

fragments

public List<FragmentMetadata> fragments()

configUpsertValues

public Map<String,String> configUpsertValues()

builder

public static Overwrite.Builder builder()

name

public String name()

Description copied from interface: Operation

We use this name to align with the Rust operation enum underlying in JNI.

Returns:

the name of the operation.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class SchemaOperation