org.apache.shardingsphere.infra.executor.sql.execute.result.query

Interface QueryResult

All Superinterfaces:

ExecuteResult

All Known Implementing Classes:

AbstractMemoryQueryResult, AbstractStreamQueryResult, JDBCMemoryQueryResult, JDBCStreamQueryResult, RawMemoryQueryResult

public interface QueryResult
extends ExecuteResult

Query result.

Method Summary

Modifier and Type	Method and Description
void	close() Close.
Object	getCalendarValue(int columnIndex, Class<?> type, Calendar calendar) Get calendar value.
InputStream	getInputStream(int columnIndex, String type) Get input stream.
QueryResultMetaData	getMetaData() Get query result meta data.
Object	getValue(int columnIndex, Class<?> type) Get data value.
boolean	next() Iterate next data.
boolean	wasNull() Judge result set is null or not.

Method Detail

next

boolean next()
      throws SQLException

Iterate next data.

Returns:

has next data

Throws:

SQLException - SQL exception

getValue

Object getValue(int columnIndex,
                Class<?> type)
         throws SQLException

Get data value.

Parameters:

columnIndex - column index

type - class type of data value

Returns:

data value

Throws:

SQLException - SQL exception

getCalendarValue

Object getCalendarValue(int columnIndex,
                        Class<?> type,
                        Calendar calendar)
                 throws SQLException

Get calendar value.

Parameters:

columnIndex - column index

type - class type of data value

calendar - calendar

Returns:

calendar value

Throws:

SQLException - SQL exception

getInputStream

InputStream getInputStream(int columnIndex,
                           String type)
                    throws SQLException

Get input stream.

Parameters:

columnIndex - column index

type - class type of data value

Returns:

input stream

Throws:

SQLException - SQL exception

wasNull

boolean wasNull()
         throws SQLException

Judge result set is null or not.

Returns:

result set is null or not

Throws:

SQLException - SQL exception

getMetaData

QueryResultMetaData getMetaData()

Get query result meta data.

Returns:

query result meta data

close

void close()
    throws SQLException

Close.

Throws:

SQLException - SQL exception