com.datastax.driver.core.querybuilder

Class Delete.Selection

java.lang.Object

com.datastax.driver.core.querybuilder.Delete.Builder

com.datastax.driver.core.querybuilder.Delete.Selection

Enclosing class:

Delete

public static class Delete.Selection
extends Delete.Builder

An column selection clause for an in-construction DELETE statement.

Field Summary

Fields inherited from class com.datastax.driver.core.querybuilder.Delete.Builder

columnNames

Constructor Summary

Constructors

Constructor and Description
Delete.Selection()

Method Summary

Methods

Modifier and Type	Method and Description
Delete.Builder	all() Deletes all columns (i.e.
Delete.Selection	column(String name) Deletes the provided column.
Delete.Selection	listElt(String columnName, int idx) Deletes the provided list element.
Delete.Selection	mapElt(String columnName, Object key) Deletes a map element given a key.

Methods inherited from class com.datastax.driver.core.querybuilder.Delete.Builder

from, from, from

Methods inherited from class java.lang.Object

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

Constructor Detail

Delete.Selection

public Delete.Selection()

Method Detail

all

public Delete.Builder all()

Deletes all columns (i.e. "DELETE FROM ...")

Returns:

an in-build DELETE statement.

Throws:

IllegalStateException - if some columns had already been selected for this builder.

column

public Delete.Selection column(String name)

Deletes the provided column.

Parameters:

name - the column name to select for deletion.

Returns:

this in-build DELETE Selection

listElt

public Delete.Selection listElt(String columnName,
                       int idx)

Deletes the provided list element.

Parameters:

columnName - the name of the list column.

idx - the index of the element to delete.

Returns:

this in-build DELETE Selection

mapElt

public Delete.Selection mapElt(String columnName,
                      Object key)

Deletes a map element given a key.

Parameters:

columnName - the name of the map column.

key - the key for the element to delete.

Returns:

this in-build DELETE Selection