org.apache.druid.sql.avatica

Class DruidStatement

java.lang.Object

org.apache.druid.sql.avatica.DruidStatement

All Implemented Interfaces:

Closeable, AutoCloseable

public class DruidStatement
extends Object
implements Closeable

Statement handle for DruidMeta. Thread-safe.

Field Summary

Fields

Modifier and Type	Field and Description
static long	START_OFFSET

Constructor Summary

Constructors

Constructor and Description
DruidStatement(String connectionId, int statementId, Map<String,Object> queryContext, SqlLifecycle sqlLifecycle, Runnable onClose)

Method Summary

Modifier and Type	Method and Description
void	close()
static List<org.apache.calcite.avatica.ColumnMetaData>	createColumnMetaData(org.apache.calcite.rel.type.RelDataType rowType)
DruidStatement	execute()
String	getConnectionId()
long	getCurrentOffset()
String	getQuery()
org.apache.calcite.rel.type.RelDataType	getRowType()
org.apache.calcite.avatica.Meta.Signature	getSignature()
int	getStatementId()
boolean	isDone()
org.apache.calcite.avatica.Meta.Frame	nextFrame(long fetchOffset, int fetchMaxRowCount)
DruidStatement	prepare(String query, long maxRowCount, AuthenticationResult authenticationResult)

Methods inherited from class java.lang.Object

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

Field Detail

START_OFFSET

public static final long START_OFFSET

See Also:

Constant Field Values

Constructor Detail

DruidStatement

public DruidStatement(String connectionId,
                      int statementId,
                      Map<String,Object> queryContext,
                      SqlLifecycle sqlLifecycle,
                      Runnable onClose)

Method Detail

createColumnMetaData

public static List<org.apache.calcite.avatica.ColumnMetaData> createColumnMetaData(org.apache.calcite.rel.type.RelDataType rowType)

prepare

public DruidStatement prepare(String query,
                              long maxRowCount,
                              AuthenticationResult authenticationResult)

execute

public DruidStatement execute()

getConnectionId

public String getConnectionId()

getStatementId

public int getStatementId()

getQuery

public String getQuery()

getSignature

public org.apache.calcite.avatica.Meta.Signature getSignature()

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType()

getCurrentOffset

public long getCurrentOffset()

isDone

public boolean isDone()

nextFrame

public org.apache.calcite.avatica.Meta.Frame nextFrame(long fetchOffset,
                                                       int fetchMaxRowCount)

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable