org.gcube.portlets.user.tdw.datasource.jdbc.dialect

Class PostgresSQL_8_x_x_SQLDialect

java.lang.Object

org.gcube.portlets.user.tdw.datasource.jdbc.dialect.AbstractSQLDialect

org.gcube.portlets.user.tdw.datasource.jdbc.dialect.PostgresSQL_8_x_x_SQLDialect

All Implemented Interfaces:

SQLDialect

public class PostgresSQL_8_x_x_SQLDialect
extends AbstractSQLDialect

Author:

"Giancarlo Panichi" g.panichi@isti.cnr.it

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	useSizeEstimation

Fields inherited from class org.gcube.portlets.user.tdw.datasource.jdbc.dialect.AbstractSQLDialect

logger

Constructor Summary

Constructors

Constructor and Description
PostgresSQL_8_x_x_SQLDialect()
PostgresSQL_8_x_x_SQLDialect(boolean useSizeEstimation)

Method Summary

Modifier and Type	Method and Description
String	getDataQuery(String tableName, String sortingColumn, org.gcube.portlets.user.tdw.server.datasource.Direction sortingDirection) Returns a query for table data selection.
String	getName()
String	getTableSizeQuery(String tableName) Returns a query for table size retrieving.
boolean	supportDataBase(String databaseProductName, int databaseMajorVersion, int databaseMinorVersion) Checks if the specified database system is compatible with this dialect.

Methods inherited from class org.gcube.portlets.user.tdw.datasource.jdbc.dialect.AbstractSQLDialect

createDataPreparedStatement, setDataPreparedStatementParameters

Methods inherited from class java.lang.Object

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

Field Detail

useSizeEstimation

protected boolean useSizeEstimation

Constructor Detail

PostgresSQL_8_x_x_SQLDialect

public PostgresSQL_8_x_x_SQLDialect()

PostgresSQL_8_x_x_SQLDialect

public PostgresSQL_8_x_x_SQLDialect(boolean useSizeEstimation)

Parameters:

useSizeEstimation -

Method Detail

getName

public String getName()

supportDataBase

public boolean supportDataBase(String databaseProductName,
                               int databaseMajorVersion,
                               int databaseMinorVersion)

Checks if the specified database system is compatible with this dialect.

Returns:

getTableSizeQuery

public String getTableSizeQuery(String tableName)

Returns a query for table size retrieving.

Returns:

getDataQuery

public String getDataQuery(String tableName,
                           String sortingColumn,
                           org.gcube.portlets.user.tdw.server.datasource.Direction sortingDirection)

Returns a query for table data selection.

Specified by:

getDataQuery in class AbstractSQLDialect

sortingColumn - the sorting column, can be null.

sortingDirection - the sorting direction, can be null.

Returns: