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

Class CompactionMetricsDataHandler

java.lang.Object

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

All Implemented Interfaces:

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

public class CompactionMetricsDataHandler
extends Object
implements QueryHandler<CompactionMetricsData>

Constructor Summary

Constructors

Constructor and Description
CompactionMetricsDataHandler(String dbName, String tblName, String partitionName, CompactionMetricsData.MetricType type)

Method Summary

Modifier and Type	Method and Description
CompactionMetricsData	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

Constructor Detail

CompactionMetricsDataHandler

public CompactionMetricsDataHandler(String dbName,
                                    String tblName,
                                    String partitionName,
                                    CompactionMetricsData.MetricType type)

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

Specified by:

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

Throws:

SQLException

org.springframework.dao.DataAccessException