Package com.orientechnologies.orient.core.sql

Class OCommandExecutorSQLCreateLink

java.lang.Object

com.orientechnologies.common.parser.OBaseParser

com.orientechnologies.orient.core.command.OCommandExecutorAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

com.orientechnologies.orient.core.sql.OCommandExecutorSQLCreateLink

All Implemented Interfaces:

OCommandExecutor

public class OCommandExecutorSQLCreateLink
extends OCommandExecutorSQLAbstract

SQL CREATE LINK command: Transform a JOIN relationship to a physical LINK

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	KEYWORD_CREATE
static final String	KEYWORD_LINK

Fields inherited from class com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

CLASS_PREFIX, CLUSTER_PREFIX, DEFAULT_PARAM_USER, DICTIONARY_PREFIX, INDEX_PREFIX, INDEX_VALUES_ASC_PREFIX, INDEX_VALUES_DESC_PREFIX, INDEX_VALUES_PREFIX, KEYWORD_KEY, KEYWORD_LET, KEYWORD_LIMIT, KEYWORD_LOCK, KEYWORD_OFFSET, KEYWORD_RETURN, KEYWORD_RID, KEYWORD_SKIP, KEYWORD_TIMEOUT, KEYWORD_UNSAFE, KEYWORD_WHERE, METADATA_DATABASE, METADATA_DISTRIBUTED, METADATA_INDEXMGR, METADATA_PREFIX, METADATA_SCHEMA, METADATA_STORAGE, preParsedStatement, timeoutMs, timeoutStrategy

Fields inherited from class com.orientechnologies.orient.core.command.OCommandExecutorAbstract

context, limit, parameters, progressListener

Fields inherited from class com.orientechnologies.common.parser.OBaseParser

parserText, parserTextUpperCase

Constructor Summary

Constructors

Constructor	Description
OCommandExecutorSQLCreateLink()

Method Summary

Modifier and Type	Method	Description
Object	execute(Map<Object,Object> iArgs)	Execute the CREATE LINK.
String	getSyntax()
OCommandExecutorSQLCreateLink	parse(OCommandRequest iRequest)	Parse the request.

Methods inherited from class com.orientechnologies.orient.core.sql.OCommandExecutorSQLAbstract

bindDefaultContextVariables, checkClusterAccess, decodeClassName, getDistributedExecutionMode, getInvolvedClustersOfClasses, getInvolvedClustersOfClusters, getInvolvedClustersOfIndex, isIdempotent, parseLock, parseTimeout, preParse, throwParsingException, throwParsingException, throwSyntaxErrorException

Methods inherited from class com.orientechnologies.orient.core.command.OCommandExecutorAbstract

checkInterruption, checkInterruption, getContext, getDatabase, getDistributedResultManagement, getDistributedTimeout, getFetchPlan, getInvolvedClusters, getLimit, getParameters, getProgressListener, getSecurityOperationType, getUndoCommand, init, involveSchema, isCacheable, isDistributedExecutingOnLocalNodeFirst, isLocalExecution, mergeResults, setContext, setLimit, setProgressListener, toString

Methods inherited from class com.orientechnologies.common.parser.OBaseParser

getLastWordLength, getWordStatic, nextWord, nextWord, parseOptionalWord, parserGetCurrentChar, parserGetCurrentPosition, parserGetLastSeparator, parserGetLastWord, parserGetPreviousPosition, parserGoBack, parserIsEnded, parserMoveCurrentPosition, parserNextChars, parserNextWord, parserNextWord, parserNextWord, parserOptionalKeyword, parserOptionalWord, parserRequiredKeyword, parserRequiredWord, parserRequiredWord, parserRequiredWord, parserSetCurrentPosition, parserSetEndOfText, parserSetLastSeparator, parserSkipWhiteSpaces

Methods inherited from class java.lang.Object

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

Field Details

KEYWORD_CREATE

public static final String KEYWORD_CREATE

See Also:

• Constant Field Values

KEYWORD_LINK

public static final String KEYWORD_LINK

See Also:

• Constant Field Values

Constructor Details

OCommandExecutorSQLCreateLink

public OCommandExecutorSQLCreateLink()

Method Details

parse

public OCommandExecutorSQLCreateLink parse(OCommandRequest iRequest)

Description copied from interface: OCommandExecutor

Parse the request. Once parsed the command can be executed multiple times by using the execute() method.

Parameters:

iRequest - Command request implementation.

Returns:

See Also:

• #execute(Map<Object, Object>...)

execute

public Object execute(Map<Object,Object> iArgs)

Execute the CREATE LINK.

Parameters:

iArgs - Optional variable arguments to pass to the command.

Returns:

See Also:

• OCommandExecutor.parse(OCommandRequest)

getSyntax

public String getSyntax()

Specified by:

getSyntax in interface OCommandExecutor

Overrides:

getSyntax in class OBaseParser