com.datastax.driver.core.querybuilder

Class Select.Builder

java.lang.Object

com.datastax.driver.core.querybuilder.Select.Builder

Direct Known Subclasses:

Select.Selection

Enclosing class:

Select

public static class Select.Builder
extends Object

An in-construction SELECT statement.

Method Summary

Modifier and Type	Method and Description
Select.Builder	distinct() Uses DISTINCT selection.
Select	from(String table) Adds the table to select from.
Select	from(String keyspace, String table) Adds the table to select from.
Select	from(TableMetadata table) Adds the table to select from.
Select.Builder	json() Uses JSON selection.

Methods inherited from class java.lang.Object

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

Method Detail

distinct

public Select.Builder distinct()

Uses DISTINCT selection.

Returns:

this in-build SELECT statement.

json

public Select.Builder json()

Uses JSON selection.

Cassandra 2.2 introduced JSON support to SELECT statements: the JSON keyword can be used to return each row as a single JSON encoded map.

Returns:

this in-build SELECT statement.

See Also:

JSON Support for CQL, JSON Support in Cassandra 2.2, Data retrieval using JSON

from

public Select from(String table)

Adds the table to select from.

Parameters:

table - the name of the table to select from.

Returns:

a newly built SELECT statement that selects from table.

from

public Select from(String keyspace,
                   String table)

Adds the table to select from.

Parameters:

keyspace - the name of the keyspace to select from.

table - the name of the table to select from.

Returns:

a newly built SELECT statement that selects from keyspace.table.

from

public Select from(TableMetadata table)

Adds the table to select from.

Parameters:

table - the table to select from.

Returns:

a newly built SELECT statement that selects from table.