org.apache.lens.server.api.driver

Class LensResultSetMetadata

java.lang.Object

org.apache.lens.server.api.driver.LensResultSetMetadata

Direct Known Subclasses:

HiveResultSetMetadata, JDBCResultSet.JDBCResultSetMetadata

public abstract class LensResultSetMetadata
extends Object

The Class LensResultSetMetadata.

Constructor Summary

Constructors

Constructor and Description
LensResultSetMetadata()

Method Summary

Modifier and Type	Method and Description
static LensResultSetMetadata	fromJson(String json)
abstract List<org.apache.hive.service.cli.ColumnDescriptor>	getColumns()
static String	getQualifiedTypeName(org.apache.hive.service.cli.TypeDescriptor typeDesc) Gets the qualified type name.
String	toJson()
QueryResultSetMetadata	toQueryResultSetMetadata() To query result set metadata.

Methods inherited from class java.lang.Object

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

Constructor Detail

LensResultSetMetadata

public LensResultSetMetadata()

Method Detail

getColumns

public abstract List<org.apache.hive.service.cli.ColumnDescriptor> getColumns()

toQueryResultSetMetadata

public QueryResultSetMetadata toQueryResultSetMetadata()

To query result set metadata.

Returns:

the query result set metadata

getQualifiedTypeName

public static String getQualifiedTypeName(org.apache.hive.service.cli.TypeDescriptor typeDesc)

Gets the qualified type name.

Parameters:

typeDesc - the type desc

Returns:

the qualified type name

fromJson

public static LensResultSetMetadata fromJson(String json)
                                      throws IOException

Throws:

IOException

toJson

public String toJson()
              throws IOException

Throws:

IOException