org.apache.cassandra.cql3.statements.schema

Class AlterSchemaStatement

java.lang.Object

org.apache.cassandra.cql3.statements.schema.AlterSchemaStatement

All Implemented Interfaces:

CQLStatement, CQLStatement.SingleKeyspaceCqlStatement, SchemaTransformation

Direct Known Subclasses:

AlterKeyspaceStatement, AlterTableStatement, AlterTypeStatement, AlterViewStatement, CreateAggregateStatement, CreateFunctionStatement, CreateIndexStatement, CreateKeyspaceStatement, CreateTableStatement, CreateTriggerStatement, CreateTypeStatement, CreateViewStatement, DropAggregateStatement, DropFunctionStatement, DropIndexStatement, DropKeyspaceStatement, DropTableStatement, DropTriggerStatement, DropTypeStatement, DropViewStatement

public abstract class AlterSchemaStatement
extends java.lang.Object
implements CQLStatement.SingleKeyspaceCqlStatement, SchemaTransformation

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.CQLStatement

CQLStatement.Raw, CQLStatement.SingleKeyspaceCqlStatement

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	keyspaceName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AlterSchemaStatement(java.lang.String keyspaceName)

Method Summary

Modifier and Type	Method and Description
ResultMessage	execute(QueryState state, boolean locally)
ResultMessage	execute(QueryState state, QueryOptions options, long queryStartNanoTime) Execute the statement and return the resulting result or null if there is no result.
ResultMessage	executeLocally(QueryState state, QueryOptions options) Variant of execute used for internal query against the system tables, and thus only query the local node.
java.lang.String	keyspace()
void	validate(ClientState state) Perform additional validation required by the statment.

Methods inherited from class java.lang.Object

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

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

authorize, getAuditLogContext, getBindVariables, getFunctions, getPartitionKeyBindVariableIndexes, hasConditions

Methods inherited from interface org.apache.cassandra.schema.SchemaTransformation

apply

Field Detail

keyspaceName

protected final java.lang.String keyspaceName

Constructor Detail

AlterSchemaStatement

protected AlterSchemaStatement(java.lang.String keyspaceName)

Method Detail

validate

public final void validate(ClientState state)

Description copied from interface: CQLStatement

Perform additional validation required by the statment. To be overriden by subclasses if needed.

Specified by:

validate in interface CQLStatement

Parameters:

state - the current client state

execute

public ResultMessage execute(QueryState state,
                             QueryOptions options,
                             long queryStartNanoTime)

Description copied from interface: CQLStatement

Execute the statement and return the resulting result or null if there is no result.

Specified by:

execute in interface CQLStatement

Parameters:

state - the current query state

options - options for this query (consistency, variables, pageSize, ...)

queryStartNanoTime - the timestamp returned by System.nanoTime() when this statement was received

keyspace

public java.lang.String keyspace()

Specified by:

keyspace in interface CQLStatement.SingleKeyspaceCqlStatement

executeLocally

public ResultMessage executeLocally(QueryState state,
                                    QueryOptions options)

Description copied from interface: CQLStatement

Variant of execute used for internal query against the system tables, and thus only query the local node.

Specified by:

executeLocally in interface CQLStatement

Parameters:

state - the current query state

execute

public ResultMessage execute(QueryState state,
                             boolean locally)