com.lancedb.lance.merge

Enum MergeInsertParams.WhenNotMatchedBySource

java.lang.Object

java.lang.Enum<MergeInsertParams.WhenNotMatchedBySource>

com.lancedb.lance.merge.MergeInsertParams.WhenNotMatchedBySource

All Implemented Interfaces:

Serializable, Comparable<MergeInsertParams.WhenNotMatchedBySource>

Enclosing class:

MergeInsertParams

public static enum MergeInsertParams.WhenNotMatchedBySource
extends Enum<MergeInsertParams.WhenNotMatchedBySource>

Enum Constant Summary

Enum Constants

Enum Constant and Description
Delete Delete all rows from target table that don't match a row in the source table
DeleteIf Delete rows from the target table if there is no match AND the expression evaluates to true This can be used to replace a region of data with new data
Keep Do not delete rows from the target table This can be used for a find-or-create or an upsert operation

Method Summary

Modifier and Type	Method and Description
static MergeInsertParams.WhenNotMatchedBySource	valueOf(String name) Returns the enum constant of this type with the specified name.
static MergeInsertParams.WhenNotMatchedBySource[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

Keep

public static final MergeInsertParams.WhenNotMatchedBySource Keep

Do not delete rows from the target table This can be used for a find-or-create or an upsert operation

Delete

public static final MergeInsertParams.WhenNotMatchedBySource Delete

Delete all rows from target table that don't match a row in the source table

DeleteIf

public static final MergeInsertParams.WhenNotMatchedBySource DeleteIf

Delete rows from the target table if there is no match AND the expression evaluates to true This can be used to replace a region of data with new data

Method Detail

values

public static MergeInsertParams.WhenNotMatchedBySource[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (MergeInsertParams.WhenNotMatchedBySource c : MergeInsertParams.WhenNotMatchedBySource.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static MergeInsertParams.WhenNotMatchedBySource valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null