org.apache.cassandra.cql3.statements
Class UpdateStatement

java.lang.Object
  org.apache.cassandra.cql3.statements.ParsedStatement
      org.apache.cassandra.cql3.statements.CFStatement
          org.apache.cassandra.cql3.statements.ModificationStatement
              org.apache.cassandra.cql3.statements.UpdateStatement

All Implemented Interfaces:

CQLStatement

public class UpdateStatement
extends ModificationStatement

An UPDATE statement parsed from a CQL query statement.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

ParsedStatement.Prepared

Field Summary

Fields inherited from class org.apache.cassandra.cql3.statements.ModificationStatement

cLevel, defaultConsistency, timestamp, timeToLive

Fields inherited from class org.apache.cassandra.cql3.statements.CFStatement

cfName

Constructor Summary

UpdateStatement(CFName name, java.util.List<ColumnIdentifier> columnNames, java.util.List<Term> columnValues, Attributes attrs)
Creates a new UpdateStatement from a column family name, a consistency level, key, and lists of column names and values.

UpdateStatement(CFName name, java.util.Map<ColumnIdentifier,Operation> columns, java.util.List<Relation> whereClause, Attributes attrs)
Creates a new UpdateStatement from a column family name, columns map, consistency level, and key term.

Method Summary

java.util.List<IMutation>	getMutations(ClientState clientState, java.util.List<java.nio.ByteBuffer> variables) Convert statement into a list of mutations to apply on the server
ParsedStatement.Prepared	prepare()
java.lang.String	toString()

Methods inherited from class org.apache.cassandra.cql3.statements.ModificationStatement

checkAccess, execute, getConsistencyLevel, getTimestamp, getTimeToLive, isSetConsistencyLevel, isSetTimestamp, validate

Methods inherited from class org.apache.cassandra.cql3.statements.CFStatement

columnFamily, keyspace, prepareKeyspace

Methods inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

getBoundsTerms, setBoundTerms

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.cql3.CQLStatement

getBoundsTerms

Constructor Detail

UpdateStatement

public UpdateStatement(CFName name,
                       java.util.Map<ColumnIdentifier,Operation> columns,
                       java.util.List<Relation> whereClause,
                       Attributes attrs)

Creates a new UpdateStatement from a column family name, columns map, consistency level, and key term.

Parameters:

name - column family being operated on

columns - a map of column name/values pairs

whereClause - the where clause

attrs - additional attributes for statement (CL, timestamp, timeToLive)

UpdateStatement

public UpdateStatement(CFName name,
                       java.util.List<ColumnIdentifier> columnNames,
                       java.util.List<Term> columnValues,
                       Attributes attrs)

Creates a new UpdateStatement from a column family name, a consistency level, key, and lists of column names and values. It is intended for use with the alternate update format, INSERT.

Parameters:

name - column family being operated on

columnNames - list of column names

columnValues - list of column values (corresponds to names)

attrs - additional attributes for statement (CL, timestamp, timeToLive)

Method Detail

getMutations

public java.util.List<IMutation> getMutations(ClientState clientState,
                                              java.util.List<java.nio.ByteBuffer> variables)
                                       throws org.apache.cassandra.thrift.InvalidRequestException

Convert statement into a list of mutations to apply on the server

Specified by:

getMutations in class ModificationStatement

Parameters:

clientState - current client status

variables - value for prepared statement markers

Returns:

list of the mutations

Throws:

org.apache.cassandra.thrift.InvalidRequestException - on invalid requests

prepare

public ParsedStatement.Prepared prepare()
                                 throws org.apache.cassandra.thrift.InvalidRequestException

Specified by:

prepare in class ParsedStatement

Throws:

org.apache.cassandra.thrift.InvalidRequestException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object