org.apache.cassandra.cql3
Class QueryProcessor

java.lang.Object
  org.apache.cassandra.cql3.QueryProcessor

public class QueryProcessor
extends java.lang.Object

Field Summary

static SemanticVersion	CQL_VERSION
static int	MAX_CACHE_PREPARED

Constructor Summary

QueryProcessor()

Method Summary

static CQLStatement	getPrepared(java.lang.Integer id)
static CQLStatement	getPrepared(MD5Digest id)
static ParsedStatement	parseStatement(java.lang.String queryStr)
static ResultMessage.Prepared	prepare(java.lang.String queryString, ClientState clientState, boolean forThrift)
static UntypedResultSet	process(java.lang.String query)
static ResultMessage	process(java.lang.String queryString, ConsistencyLevel cl, QueryState queryState)
static UntypedResultSet	processInternal(java.lang.String query)
static ResultMessage	processPrepared(CQLStatement statement, ConsistencyLevel cl, QueryState queryState, java.util.List<java.nio.ByteBuffer> variables)
static UntypedResultSet	resultify(java.lang.String query, Row row)
static void	validateColumnName(java.nio.ByteBuffer column)
static void	validateColumnNames(java.lang.Iterable<java.nio.ByteBuffer> columns)
static void	validateFilter(CFMetaData metadata, IDiskAtomFilter filter)
static void	validateKey(java.nio.ByteBuffer key)
static void	validateSliceFilter(CFMetaData metadata, SliceQueryFilter range)

Methods inherited from class java.lang.Object

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

Field Detail

CQL_VERSION

public static final SemanticVersion CQL_VERSION

MAX_CACHE_PREPARED

public static final int MAX_CACHE_PREPARED

See Also:

Constant Field Values

Constructor Detail

QueryProcessor

public QueryProcessor()

Method Detail

getPrepared

public static CQLStatement getPrepared(MD5Digest id)

getPrepared

public static CQLStatement getPrepared(java.lang.Integer id)

validateKey

public static void validateKey(java.nio.ByteBuffer key)
                        throws InvalidRequestException

Throws:

InvalidRequestException

validateColumnNames

public static void validateColumnNames(java.lang.Iterable<java.nio.ByteBuffer> columns)
                                throws InvalidRequestException

Throws:

InvalidRequestException

validateColumnName

public static void validateColumnName(java.nio.ByteBuffer column)
                               throws InvalidRequestException

Throws:

InvalidRequestException

validateFilter

public static void validateFilter(CFMetaData metadata,
                                  IDiskAtomFilter filter)
                           throws InvalidRequestException

Throws:

InvalidRequestException

validateSliceFilter

public static void validateSliceFilter(CFMetaData metadata,
                                       SliceQueryFilter range)
                                throws InvalidRequestException

Throws:

InvalidRequestException

process

public static ResultMessage process(java.lang.String queryString,
                                    ConsistencyLevel cl,
                                    QueryState queryState)
                             throws RequestExecutionException,
                                    RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

process

public static UntypedResultSet process(java.lang.String query)
                                throws RequestExecutionException

Throws:

RequestExecutionException

processInternal

public static UntypedResultSet processInternal(java.lang.String query)

resultify

public static UntypedResultSet resultify(java.lang.String query,
                                         Row row)

prepare

public static ResultMessage.Prepared prepare(java.lang.String queryString,
                                             ClientState clientState,
                                             boolean forThrift)
                                      throws RequestValidationException

Throws:

RequestValidationException

processPrepared

public static ResultMessage processPrepared(CQLStatement statement,
                                            ConsistencyLevel cl,
                                            QueryState queryState,
                                            java.util.List<java.nio.ByteBuffer> variables)
                                     throws RequestExecutionException,
                                            RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

parseStatement

public static ParsedStatement parseStatement(java.lang.String queryStr)
                                      throws SyntaxException

Throws:

SyntaxException