org.apache.derby.impl.load

Class ImportResultSetMetaData

java.lang.Object

org.apache.derby.vti.VTIMetaDataTemplate

org.apache.derby.impl.load.ImportResultSetMetaData

All Implemented Interfaces:

java.sql.ResultSetMetaData, java.sql.Wrapper

 class ImportResultSetMetaData
extends VTIMetaDataTemplate

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String[]	columnNames
private java.lang.String[]	columnTypeNames
private int[]	columnWidths
private int	numberOfColumns
private int[]	tableColumnTypes
private java.util.HashMap	udtClasses

Fields inherited from interface java.sql.ResultSetMetaData

columnNoNulls, columnNullable, columnNullableUnknown

Constructor Summary

Constructors

Constructor and Description
ImportResultSetMetaData(int numberOfColumns, java.lang.String[] columnNames, int[] columnWidths, int[] tableColumnTypes, java.lang.String[] columnTypeNames, java.util.HashMap udtClasses)

Method Summary

Methods

Modifier and Type	Method and Description
int	getColumnCount()
int	getColumnDisplaySize(int column) What's the column's normal maximum width in chars?
java.lang.String	getColumnName(int column) What's a column's name?
int	getColumnType(int column)
java.lang.String	getColumnTypeName(int column) What's a column's data source specific type name?
java.lang.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 org.apache.derby.vti.VTIMetaDataTemplate

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Field Detail

numberOfColumns

private final int numberOfColumns

columnNames

private final java.lang.String[] columnNames

columnWidths

private final int[] columnWidths

tableColumnTypes

private final int[] tableColumnTypes

columnTypeNames

private final java.lang.String[] columnTypeNames

udtClasses

private final java.util.HashMap udtClasses

Constructor Detail

ImportResultSetMetaData

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

Method Detail

getColumnCount

public int getColumnCount()

getColumnName

public java.lang.String getColumnName(int column)

Description copied from class: VTIMetaDataTemplate

What's a column's name?

Specified by:

getColumnName in interface java.sql.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 java.sql.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 java.sql.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 java.lang.String getColumnTypeName(int column)
                                   throws java.sql.SQLException

Description copied from class: VTIMetaDataTemplate

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

Specified by:

getColumnTypeName in interface java.sql.ResultSetMetaData

Overrides:

getColumnTypeName in class VTIMetaDataTemplate

Parameters:

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

Returns:

the column's type name

Throws:

java.sql.SQLException - if a database-access error occurs.

getUDTClass

public java.lang.Class getUDTClass(int column)
                            throws java.sql.SQLException

Get the class bound to a UDT column.

Throws:

java.sql.SQLException