Class ImportResultSetMetaData

java.lang.Object

org.apache.derby.vti.VTIMetaDataTemplate

org.apache.derby.impl.load.ImportResultSetMetaData

All Implemented Interfaces:

ResultSetMetaData, Wrapper

class ImportResultSetMetaData
extends VTIMetaDataTemplate

Field Summary

Fields

Modifier and Type	Field	Description
private final String[]	columnNames
private final String[]	columnTypeNames
private final int[]	columnWidths
private final int	numberOfColumns
private final int[]	tableColumnTypes
private final HashMap	udtClasses

Fields inherited from interface ResultSetMetaData

columnNoNulls, columnNullable, columnNullableUnknown

Constructor Summary

Constructors

Constructor	Description
ImportResultSetMetaData(int numberOfColumns, String[] columnNames, int[] columnWidths, int[] tableColumnTypes, String[] columnTypeNames, HashMap udtClasses)

Method Summary

Modifier and Type	Method	Description
int	getColumnCount()
int	getColumnDisplaySize(int column)	What's the column's normal maximum width in chars?
String	getColumnName(int column)	What's a column's name?
int	getColumnType(int column)
String	getColumnTypeName(int column)	What's a column's data source specific type name?
(package private) Class	getUDTClass(int column)	Get the class bound to a UDT column.
int	isNullable(int column)	Can you put a NULL in this column?

Methods inherited from class VTIMetaDataTemplate

getCatalogName, getColumnClassName, getColumnLabel, getPrecision, getScale, getSchemaName, getTableName, isAutoIncrement, isCaseSensitive, isCurrency, isDefinitelyWritable, isReadOnly, isSearchable, isSigned, isWrapperFor, isWritable, notImplemented, unwrap

Methods inherited from class Object

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

Field Details

numberOfColumns

private final int numberOfColumns

columnNames

private final String[] columnNames

columnWidths

private final int[] columnWidths

tableColumnTypes

private final int[] tableColumnTypes

columnTypeNames

private final String[] columnTypeNames

udtClasses

private final HashMap udtClasses

Constructor Details

ImportResultSetMetaData

public ImportResultSetMetaData(int numberOfColumns,
 String[] columnNames,
 int[] columnWidths,
 int[] tableColumnTypes,
 String[] columnTypeNames,
 HashMap udtClasses)

Method Details

getColumnCount

public int getColumnCount()

getColumnName

public String getColumnName(int column)

Description copied from class: VTIMetaDataTemplate

What's a column's name?

Specified by:

getColumnName in interface ResultSetMetaData

Overrides:

getColumnName in class VTIMetaDataTemplate

Parameters:

column - the first column is 1, the second is 2, ...

Returns:

column name

getColumnType

public int getColumnType(int column)

isNullable

public int isNullable(int column)

Description copied from class: VTIMetaDataTemplate

Can you put a NULL in this column?

Specified by:

isNullable in interface ResultSetMetaData

Overrides:

isNullable in class VTIMetaDataTemplate

Parameters:

column - the first column is 1, the second is 2, ...

Returns:

columnNoNulls, columnNullable or columnNullableUnknown

getColumnDisplaySize

public int getColumnDisplaySize(int column)

Description copied from class: VTIMetaDataTemplate

What's the column's normal maximum width in chars?

Specified by:

getColumnDisplaySize in interface ResultSetMetaData

Overrides:

getColumnDisplaySize in class VTIMetaDataTemplate

Parameters:

column - the first column is 1, the second is 2, ...

Returns:

the column's maximum width

getColumnTypeName

public String getColumnTypeName(int column)
                         throws SQLException

Description copied from class: VTIMetaDataTemplate

What's a column's data source specific type name?

Specified by:

getColumnTypeName in interface ResultSetMetaData

Overrides:

getColumnTypeName in class VTIMetaDataTemplate

Parameters:

column - the first column is 1, the second is 2, ...

Returns:

the column's type name

Throws:

SQLException - if a database-access error occurs.

getUDTClass

Class getUDTClass(int column)
           throws SQLException

Get the class bound to a UDT column.

Throws:

SQLException