org.gcube.data.analysis.tabulardata.cube.data

Interface DatabaseWrangler

All Known Implementing Classes:

SQLDatabaseWrangler

public interface DatabaseWrangler

Database Wrangler offers methods for managing relational tables on a DB: - Creation of tables - Removal of tables

Author:

"Luigi Fortunati"

Method Summary

Modifier and Type	Method and Description
void	addColumn(String tableName, String columnName, org.gcube.data.analysis.tabulardata.model.datatype.DataType type)
void	addColumn(String tableName, String columnName, org.gcube.data.analysis.tabulardata.model.datatype.DataType type, org.gcube.data.analysis.tabulardata.model.datatype.value.TDTypeValue defaultValue)
void	alterColumnType(String tableName, String columnName, org.gcube.data.analysis.tabulardata.model.datatype.DataType newType)
String	cloneTable(String tableName, boolean withData, boolean unsafe)
void	createIndex(String tableName, String columnName)
String	createTable()
String	createTable(boolean unsafe)
void	createTable(String name)
void	createTriggerOnTable(String triggerName, List<Condition> condition, HTime htime, String targetTableName, String procedureName)
void	createUniqueIndex(String tableName, String columnName)
boolean	exists(String tableName)
void	removeColumn(String tableName, String columnName)
void	removeTable(String tableName)
void	setNullable(String tableName, String columnName, boolean nullable)

Method Detail

createTable

String createTable()

Returns:

the name of the created table

createTable

void createTable(String name)

createTable

String createTable(boolean unsafe)

Parameters:

unsafe - a boolean telling if the table can should be unsafe or not (tradeoff performance/reliability)

Returns:

the name of the created table

removeTable

void removeTable(String tableName)

exists

boolean exists(String tableName)

cloneTable

String cloneTable(String tableName,
                  boolean withData,
                  boolean unsafe)

Parameters:

tableName -

withData -

unsafe -

Returns:

the name of the created table

addColumn

void addColumn(String tableName,
               String columnName,
               org.gcube.data.analysis.tabulardata.model.datatype.DataType type)

addColumn

void addColumn(String tableName,
               String columnName,
               org.gcube.data.analysis.tabulardata.model.datatype.DataType type,
               org.gcube.data.analysis.tabulardata.model.datatype.value.TDTypeValue defaultValue)

removeColumn

void removeColumn(String tableName,
                  String columnName)

alterColumnType

void alterColumnType(String tableName,
                     String columnName,
                     org.gcube.data.analysis.tabulardata.model.datatype.DataType newType)

createIndex

void createIndex(String tableName,
                 String columnName)

setNullable

void setNullable(String tableName,
                 String columnName,
                 boolean nullable)

createUniqueIndex

void createUniqueIndex(String tableName,
                       String columnName)

createTriggerOnTable

void createTriggerOnTable(String triggerName,
                          List<Condition> condition,
                          HTime htime,
                          String targetTableName,
                          String procedureName)