com.bea.ldi.server.common
Interface QueryResultMetaData

public interface QueryResultMetaData

extends java.io.Serializable

An object that can be used to get information about query execution and query result.

Field Summary

static java.lang.String	TIME_TO_EXECUTE Name of the statistical attribute that contains query execution time on the server
static java.lang.String	TIME_TO_PREPARE Name of the statistical attribute that contains query preparation time (compilation time for adhoc queries, plan cloning for stored queries)

Method Summary

DataAccessInfo	getDataAccessInfo()
java.lang.String	getPlan()
java.util.Map	getStatistics() Returns query execution statistics such as compilation time, execution time.
boolean	planIsCached()

Field Detail

TIME_TO_PREPARE

public static final java.lang.String TIME_TO_PREPARE

Name of the statistical attribute that contains query preparation time (compilation time for adhoc queries, plan cloning for stored queries)

TIME_TO_EXECUTE

public static final java.lang.String TIME_TO_EXECUTE

Name of the statistical attribute that contains query execution time on the server

Method Detail

getStatistics

public java.util.Map getStatistics()

Returns query execution statistics such as compilation time, execution time.

Returns:

Map containing statistical attribute -> value pairs

getPlan

public java.lang.String getPlan()

planIsCached

public boolean planIsCached()

getDataAccessInfo

public DataAccessInfo getDataAccessInfo()

Returns:

meta-information about the data access points used by the query, including data retrieval time, data retrieval statement/call (when applicable) and number of statement invocations. The data access points include relational sources, XML and CSV file sources, as well as web service, application view and stored procedure calls.
NOTE: This method returns null when QueryAttribute.COMPILE_ONLY has been set or the query result is obtained from the cache.