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SQLCustomQuery (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.loader.custom.sql
Class SQLCustomQuery

java.lang.Object
  org.hibernate.loader.custom.sql.SQLCustomQuery

All Implemented Interfaces:

CustomQuery

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public class SQLCustomQuery

extends Object

implements CustomQuery

Implements Hibernate's built-in support for native SQL queries.

This support is built on top of the notion of "custom queries"...

Author:

Gavin King, Max Andersen, Steve Ebersole

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Field Summary
static org.apache.commons.logging.Log	log

 

Constructor Summary

SQLCustomQuery(String sqlQuery, NativeSQLQueryReturn[] queryReturns, Collection additionalQuerySpaces, SessionFactoryImplementor factory)

 

Method Summary
List	getCustomQueryReturns()           A collection of descriptors describing the JDBC result set to be expected and how to map this result set.
Map	getNamedParameterBindPoints()           A map representing positions within the supplied query to which we need to bind named parameters.
Set	getQuerySpaces()           Any query spaces to apply to the query execution.
String	getSQL()           The SQL query string to be performed.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

log

public static final org.apache.commons.logging.Log log

Constructor Detail

SQLCustomQuery

public SQLCustomQuery(String sqlQuery,
                      NativeSQLQueryReturn[] queryReturns,
                      Collection additionalQuerySpaces,
                      SessionFactoryImplementor factory)
               throws HibernateException

Method Detail

getSQL

public String getSQL()

Description copied from interface: CustomQuery

The SQL query string to be performed.

Specified by:

getSQL in interface CustomQuery

Returns:

The SQL statement string.

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getQuerySpaces

public Set getQuerySpaces()

Description copied from interface: CustomQuery

Any query spaces to apply to the query execution. Query spaces are used in Hibernate's auto-flushing mechanism to determine which entities need to be checked for pending changes.

Specified by:

getQuerySpaces in interface CustomQuery

Returns:

The query spaces

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getNamedParameterBindPoints

public Map getNamedParameterBindPoints()

Description copied from interface: CustomQuery

A map representing positions within the supplied query to which we need to bind named parameters.

Optional, may return null if no named parameters.

The structure of the returned map (if one) as follows:

1. The keys into the map are the named parameter names
2. The corresponding value is either an Integer if the parameter occurs only once in the query; or a List of Integers if the parameter occurs more than once

Specified by:

getNamedParameterBindPoints in interface CustomQuery

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getCustomQueryReturns

public List getCustomQueryReturns()

Description copied from interface: CustomQuery

A collection of descriptors describing the JDBC result set to be expected and how to map this result set.

Specified by:

getCustomQueryReturns in interface CustomQuery

Returns:

List of return descriptors.

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