org.apache.hadoop.hive.metastore.txn.jdbc.queries

Class GetCompactionInfoHandler

java.lang.Object

org.apache.hadoop.hive.metastore.txn.jdbc.queries.GetCompactionInfoHandler

All Implemented Interfaces:

ParameterizedQuery, QueryHandler<CompactionInfo>, org.springframework.jdbc.core.ResultSetExtractor<CompactionInfo>

public class GetCompactionInfoHandler
extends Object
implements QueryHandler<CompactionInfo>

Field Summary

Fields

Modifier and Type	Field and Description
static String	SELECT_BY_ID
static String	SELECT_BY_TXN_ID

Constructor Summary

Constructors

Constructor and Description
GetCompactionInfoHandler(long id, boolean isTransactionId)

Method Summary

Modifier and Type	Method and Description
CompactionInfo	extractData(ResultSet rs)
String	getParameterizedQueryString(DatabaseProduct databaseProduct) The parameterized query string.
org.springframework.jdbc.core.namedparam.SqlParameterSource	getQueryParameters() An SqlParameterSource instance containing the required parameters for the query string.

Methods inherited from class java.lang.Object

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

Field Detail

SELECT_BY_ID

public static final String SELECT_BY_ID

See Also:

Constant Field Values

SELECT_BY_TXN_ID

public static final String SELECT_BY_TXN_ID

See Also:

Constant Field Values

Constructor Detail

GetCompactionInfoHandler

public GetCompactionInfoHandler(long id,
                                boolean isTransactionId)

Method Detail

getParameterizedQueryString

public String getParameterizedQueryString(DatabaseProduct databaseProduct)
                                   throws MetaException

Description copied from interface: ParameterizedQuery

The parameterized query string. It is allowed if the query has no parameters at all.

Specified by:

getParameterizedQueryString in interface ParameterizedQuery

Parameters:

databaseProduct - A DatabaseProduct instance representing the type of the underlying HMS dabatabe.

Returns:

Returns the parameterized query string.

Throws:

MetaException - Thrown if the query string cannot be assembled.

getQueryParameters

public org.springframework.jdbc.core.namedparam.SqlParameterSource getQueryParameters()

Description copied from interface: ParameterizedQuery

An SqlParameterSource instance containing the required parameters for the query string. If the query is not parameterized, this method can either return null or an empty SqlParameterSource.

Specified by:

getQueryParameters in interface ParameterizedQuery

Returns:

Returns the SqlParameterSource containing the parameters for the query.

extractData

public CompactionInfo extractData(ResultSet rs)
                           throws SQLException,
                                  org.springframework.dao.DataAccessException

Specified by:

extractData in interface org.springframework.jdbc.core.ResultSetExtractor<CompactionInfo>

Throws:

SQLException

org.springframework.dao.DataAccessException