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.

Constructor Summary

Constructors

Constructor and Description
Selection()

Method Summary

Modifier and Type	Method and Description
Delete.Builder	all() Deletes all columns (i.e.
Delete.Selection	column(String columnName) Deletes the provided column.
Delete.Selection	listElt(String columnName, BindMarker idx) Deletes the provided list element, specified as a bind marker.
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.
Delete.Selection	setElt(String columnName, BindMarker element) Deletes the provided set element, specified as a bind marker.
Delete.Selection	setElt(String columnName, Object element) Deletes the provided set element.

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

Selection

public 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 columnName)

Deletes the provided column.

Parameters:

columnName - the column 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

listElt

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

Deletes the provided list element, specified as a bind marker.

Parameters:

columnName - the name of the list column.

idx - the index of the element to delete.

Returns:

this in-build DELETE Selection

setElt

public Delete.Selection setElt(String columnName,
                               Object element)

Deletes the provided set element.

Parameters:

columnName - the name of the set column.

element - the element to delete.

Returns:

this in-build DELETE Selection

setElt

public Delete.Selection setElt(String columnName,
                               BindMarker element)

Deletes the provided set element, specified as a bind marker.

Parameters:

columnName - the name of the set column.

element - 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