io.hetu.core.plugin.datacenter

Class DataCenterTableHandle

java.lang.Object

io.hetu.core.plugin.datacenter.DataCenterTableHandle

All Implemented Interfaces:

ConnectorTableHandle

public final class DataCenterTableHandle
extends Object
implements ConnectorTableHandle

Data center table handle.

Since:

2020-02-11

Constructor Summary

Constructors

Constructor and Description
DataCenterTableHandle(String catalogName, String schemaName, String tableName, OptionalLong limit) Constructor of data center table handle.
DataCenterTableHandle(String catalogName, String schemaName, String tableName, OptionalLong limit, String pushDownSql) Constructor of data center table handle.

Method Summary

Modifier and Type	Method and Description
ConnectorTableHandle	createFrom(ConnectorTableHandle connectorTableHandle)
boolean	equals(Object obj)
String	getCatalogName()
OptionalLong	getLimit()
String	getPushDownSql()
String	getSchemaName()
String	getSchemaPrefixedTableName()
String	getTableName()
int	hashCode()
SchemaTableName	toSchemaTableName() Merge schema and table name as a instance.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.prestosql.spi.connector.ConnectorTableHandle

getDisjunctFilterConditions, hasDisjunctFiltersPushdown, isDeleteAsInsertSupported, isFilterSupported, isHeuristicIndexSupported, isPartitionColumn, isReuseTableScanSupported, isSuitableForPushdown, isTableCacheable

Constructor Detail

DataCenterTableHandle

public DataCenterTableHandle(String catalogName,
                             String schemaName,
                             String tableName,
                             OptionalLong limit)

Constructor of data center table handle.

Parameters:

catalogName - catalog name.

schemaName - schema name.

tableName - table name.

limit - the limit number of this query need.

DataCenterTableHandle

public DataCenterTableHandle(String catalogName,
                             String schemaName,
                             String tableName,
                             OptionalLong limit,
                             String pushDownSql)

Constructor of data center table handle.

Parameters:

catalogName - catalog name.

schemaName - schema name.

tableName - table name.

limit - the limit number of this query need.

pushDownSql - the sub query statement that want to be pushed down to remote data center.

Method Detail

createFrom

public ConnectorTableHandle createFrom(ConnectorTableHandle connectorTableHandle)

Specified by:

createFrom in interface ConnectorTableHandle

getCatalogName

public String getCatalogName()

getSchemaName

public String getSchemaName()

getTableName

public String getTableName()

Specified by:

getTableName in interface ConnectorTableHandle

getLimit

public OptionalLong getLimit()

toSchemaTableName

public SchemaTableName toSchemaTableName()

Merge schema and table name as a instance.

Returns:

schema and table name.

getSchemaPrefixedTableName

public String getSchemaPrefixedTableName()

Specified by:

getSchemaPrefixedTableName in interface ConnectorTableHandle

getPushDownSql

public String getPushDownSql()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object