com.orientechnologies.orient.core.sql.parser

Class OSimpleExecStatement

java.lang.Object

com.orientechnologies.orient.core.sql.parser.SimpleNode

com.orientechnologies.orient.core.sql.parser.OStatement

com.orientechnologies.orient.core.sql.parser.OSimpleExecStatement

All Implemented Interfaces:

Node

Direct Known Subclasses:

OAlterRoleStatement, OAlterSecurityPolicyStatement, OBeginStatement, OCommitStatement, OConsoleStatement, OCreateFunctionStatement, OCreateLinkStatement, OCreateSecurityPolicyStatement, OCreateSequenceStatement, OCreateUserStatement, ODropUserStatement, OExpressionStatement, OGrantStatement, OHaSetStatement, OHaStatusStatement, OHaSyncClusterStatement, OHaSyncDatabaseStatement, OLetStatement, OOptimizeDatabaseStatement, OProfileStorageStatement, ORebuildIndexStatement, OReturnStatement, ORevokeStatement, ORollbackStatement, OSleepStatement, OTruncateRecordStatement

public abstract class OSimpleExecStatement
extends OStatement

Superclass for SQL statements that are too simple to deserve an execution planner. All the execution is delegated to the statement itself, with the execute(ctx) method.

Author:

Luigi Dell'Aquila (l.dellaquila-(at)-orientdb.com)

Field Summary

Fields inherited from class com.orientechnologies.orient.core.sql.parser.OStatement

CUSTOM_STRICT_SQL, originalStatement

Fields inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

children, firstToken, id, lastToken, parent, parser, value

Constructor Summary

Constructors

Constructor and Description
OSimpleExecStatement(int id)
OSimpleExecStatement(OrientSql p, int id)

Method Summary

Modifier and Type	Method and Description
OInternalExecutionPlan	createExecutionPlan(OCommandContext ctx, boolean enableProfiling) creates an execution plan for current statement
OResultSet	execute(ODatabase db, Map params, OCommandContext parentContext, boolean usePlanCache)
OResultSet	execute(ODatabase db, Object[] args, OCommandContext parentContext, boolean usePlanCache)
abstract OResultSet	executeSimple(OCommandContext ctx)

Methods inherited from class com.orientechnologies.orient.core.sql.parser.OStatement

copy, createExecutionPlan, createExecutionPlanNoCache, deserialize, deserializeFromOResult, execute, execute, execute, execute, execute, execute, execute, executinPlanCanBeCached, getOriginalStatement, isIdempotent, refersToParent, serialize, setOriginalStatement, toString, toString, validate

Methods inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

childrenAccept, dump, getDatabase, getValue, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetFirstToken, jjtGetLastToken, jjtGetNumChildren, jjtGetParent, jjtGetValue, jjtOpen, jjtSetFirstToken, jjtSetLastToken, jjtSetParent, jjtSetValue, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OSimpleExecStatement

public OSimpleExecStatement(int id)

OSimpleExecStatement

public OSimpleExecStatement(OrientSql p,
                            int id)

Method Detail

executeSimple

public abstract OResultSet executeSimple(OCommandContext ctx)

execute

public OResultSet execute(ODatabase db,
                          Object[] args,
                          OCommandContext parentContext,
                          boolean usePlanCache)

Overrides:

execute in class OStatement

execute

public OResultSet execute(ODatabase db,
                          Map params,
                          OCommandContext parentContext,
                          boolean usePlanCache)

Overrides:

execute in class OStatement

createExecutionPlan

public OInternalExecutionPlan createExecutionPlan(OCommandContext ctx,
                                                  boolean enableProfiling)

Description copied from class: OStatement

creates an execution plan for current statement

Overrides:

createExecutionPlan in class OStatement

Parameters:

ctx - the context that will be used to execute the statement

enableProfiling - true to enable profiling, false to disable it

Returns:

an execution plan