Package com.orientechnologies.orient.core.sql.parser

Class OSimpleExecServerStatement

java.lang.Object

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

com.orientechnologies.orient.core.sql.parser.OServerStatement

com.orientechnologies.orient.core.sql.parser.OSimpleExecServerStatement

All Implemented Interfaces:

Node

Direct Known Subclasses:

OAlterSystemRoleStatement, OCreateDatabaseStatement, OCreateSystemUserStatement, ODropDatabaseStatement, OExistsSystemUserStatement

public abstract class OSimpleExecServerStatement
extends OServerStatement

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.SimpleNode

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

Constructor Summary

Constructors

Constructor	Description
OSimpleExecServerStatement(int id)
OSimpleExecServerStatement(OrientSql p, int id)

Method Summary

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

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

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

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

OSimpleExecServerStatement

public OSimpleExecServerStatement(int id)

OSimpleExecServerStatement

public OSimpleExecServerStatement(OrientSql p,
 int id)

Method Details

executeSimple

public abstract OResultSet executeSimple(OServerCommandContext ctx)

execute

public OResultSet execute(OrientDBInternal db,
 Object[] args,
 OServerCommandContext parentContext,
 boolean usePlanCache)

Overrides:

execute in class OServerStatement

execute

public OResultSet execute(OrientDBInternal db,
 Map params,
 OServerCommandContext parentContext,
 boolean usePlanCache)

Overrides:

execute in class OServerStatement

createExecutionPlan

public OInternalExecutionPlan createExecutionPlan(OServerCommandContext ctx,
 boolean enableProfiling)

Description copied from class: OServerStatement

creates an execution plan for current statement

Overrides:

createExecutionPlan in class OServerStatement

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