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

Class FindColumnsWithStatsHandler

java.lang.Object

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

All Implemented Interfaces:

ParameterizedQuery, QueryHandler<List<String>>, org.springframework.jdbc.core.ResultSetExtractor<List<String>>

public class FindColumnsWithStatsHandler
extends Object
implements QueryHandler<List<String>>

Constructor Summary

Constructors

Constructor and Description
FindColumnsWithStatsHandler(CompactionInfo ci)

Method Summary

Modifier and Type	Method and Description
List<String>	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

FindColumnsWithStatsHandler

public FindColumnsWithStatsHandler(CompactionInfo ci)

Method Detail

getParameterizedQueryString

public String getParameterizedQueryString(DatabaseProduct databaseProduct)

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.

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 List<String> extractData(ResultSet rs)
                         throws SQLException,
                                org.springframework.dao.DataAccessException

Specified by:

extractData in interface org.springframework.jdbc.core.ResultSetExtractor<List<String>>

Throws:

SQLException

org.springframework.dao.DataAccessException