Package org.apache.drill.jdbc.impl

Class DrillCursor

java.lang.Object

org.apache.drill.jdbc.impl.DrillCursor

All Implemented Interfaces:

AutoCloseable, org.apache.calcite.avatica.util.Cursor

public class DrillCursor
extends Object
implements org.apache.calcite.avatica.util.Cursor

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.avatica.util.Cursor

org.apache.calcite.avatica.util.Cursor.Accessor

Method Summary

Modifier and Type	Method	Description
void	cancel()
void	close()
List<org.apache.calcite.avatica.util.Cursor.Accessor>	createAccessors(List<org.apache.calcite.avatica.ColumnMetaData> types, Calendar localCalendar, org.apache.calcite.avatica.util.ArrayImpl.Factory factory)
protected int	getCurrentRecordNumber()
com.google.common.base.Stopwatch	getElapsedTimer()
String	getQueryId()
boolean	isAfterLast()
boolean	isBeforeFirst()
boolean	next()	Advances this cursor to the next row, if any, or to after the sequence of rows if no next row.
boolean	wasNull()

Methods inherited from class java.lang.Object

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

Method Details

getCurrentRecordNumber

protected int getCurrentRecordNumber()

getQueryId

public String getQueryId()

isBeforeFirst

public boolean isBeforeFirst()

isAfterLast

public boolean isAfterLast()

createAccessors

public List<org.apache.calcite.avatica.util.Cursor.Accessor> createAccessors(List<org.apache.calcite.avatica.ColumnMetaData> types,
 Calendar localCalendar,
 org.apache.calcite.avatica.util.ArrayImpl.Factory factory)

Specified by:

createAccessors in interface org.apache.calcite.avatica.util.Cursor

next

public boolean next()
             throws SQLException

Advances this cursor to the next row, if any, or to after the sequence of rows if no next row.

Specified by:

next in interface org.apache.calcite.avatica.util.Cursor

Returns:

whether cursor is positioned at a row (false when after end of results)

Throws:

SQLException

cancel

public void cancel()

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.calcite.avatica.util.Cursor

wasNull

public boolean wasNull()
                throws SQLException

Specified by:

wasNull in interface org.apache.calcite.avatica.util.Cursor

Throws:

SQLException

getElapsedTimer

public com.google.common.base.Stopwatch getElapsedTimer()