Package org.apache.cassandra.cql3.statements

Class DescribeStatement.Element

java.lang.Object

org.apache.cassandra.cql3.CQLStatement.Raw

org.apache.cassandra.cql3.statements.DescribeStatement<SchemaElement>

org.apache.cassandra.cql3.statements.DescribeStatement.Element

All Implemented Interfaces:

CQLStatement

Enclosing class:

DescribeStatement<T>

public static class DescribeStatement.Element
extends DescribeStatement<SchemaElement>

DescribeStatement implementation used for describe queries for a single schema element.

Nested Class Summary

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

DescribeStatement.Element, DescribeStatement.Listing

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

CQLStatement.Raw, CQLStatement.SingleKeyspaceCqlStatement

Field Summary

Fields inherited from class org.apache.cassandra.cql3.CQLStatement.Raw

bindVariables

Constructor Summary

Constructors

Constructor	Description
Element(String keyspace, String name, BiFunction<KeyspaceMetadata,String,Stream<? extends SchemaElement>> elementsProvider)

Method Summary

Modifier and Type	Method	Description
protected Stream<? extends SchemaElement>	describe(ClientState state, Keyspaces keyspaces)	Returns the schema elements that must be part of the output.
protected List<ColumnSpecification>	metadata(ClientState state)	Returns the columns of the ResultMetadata
protected List<ByteBuffer>	toRow(SchemaElement element, boolean withInternals)

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

aggregate, aggregates, authorize, cluster, execute, executeLocally, function, functions, generic, getAuditLogContext, getBindVariables, index, keyspace, keyspaces, prepare, schema, table, tables, type, types, validate, view, withInternalDetails

Methods inherited from class org.apache.cassandra.cql3.CQLStatement.Raw

setBindVariables

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

getFunctions, getPartitionKeyBindVariableIndexes, hasConditions

Constructor Details

Element

public Element(String keyspace,
 String name,
 BiFunction<KeyspaceMetadata,String,Stream<? extends SchemaElement>> elementsProvider)

Method Details

describe

protected Stream<? extends SchemaElement> describe(ClientState state,
 Keyspaces keyspaces)

Description copied from class: DescribeStatement

Returns the schema elements that must be part of the output.

Specified by:

describe in class DescribeStatement<SchemaElement>

metadata

protected List<ColumnSpecification> metadata(ClientState state)

Description copied from class: DescribeStatement

Returns the columns of the ResultMetadata

Specified by:

metadata in class DescribeStatement<SchemaElement>

toRow

protected List<ByteBuffer> toRow(SchemaElement element,
 boolean withInternals)

Specified by:

toRow in class DescribeStatement<SchemaElement>