org.apache.derby.impl.sql.catalog

Class SYSCOLUMNSRowFactory

java.lang.Object

org.apache.derby.iapi.sql.dictionary.CatalogRowFactory

org.apache.derby.impl.sql.catalog.SYSCOLUMNSRowFactory

public class SYSCOLUMNSRowFactory
extends CatalogRowFactory

Factory for creating a SYSCOLUMNS row.

Method Summary

Modifier and Type	Method and Description
SystemColumn[]	buildColumnList() Builds a list of columns suitable for creating this Catalog.
TupleDescriptor	buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd) Make a ColumnDescriptor out of a SYSCOLUMNS row
java.util.Properties	getCreateHeapProperties() Get the Properties associated with creating the heap.
java.util.Properties	getCreateIndexProperties(int indexNumber) Get the Properties associated with creating the specified index.
int	getPrimaryKeyIndexNumber() Get the index number for the primary key index on this catalog.
ExecRow	makeRow(TupleDescriptor td, TupleDescriptor parent) Make a SYSCOLUMNS row

Methods inherited from class org.apache.derby.iapi.sql.dictionary.CatalogRowFactory

generateIndexName, getCanonicalHeapName, getCanonicalHeapUUID, getCanonicalIndexUUID, getCanonicalTableUUID, getCatalogName, getDataValueFactory, getExecutionFactory, getHeapColumnCount, getIndexColumnCount, getIndexColumnPositions, getIndexName, getNumIndexes, getUUIDFactory, initInfo, isIndexUnique, makeEmptyRow, makeEmptyRowForCurrentVersion

Methods inherited from class java.lang.Object

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

Method Detail

makeRow

public ExecRow makeRow(TupleDescriptor td,
                       TupleDescriptor parent)
                throws StandardException

Make a SYSCOLUMNS row

Overrides:

makeRow in class CatalogRowFactory

Returns:

Row suitable for inserting into SYSCOLUMNS.

Throws:

StandardException - thrown on failure

getCreateHeapProperties

public java.util.Properties getCreateHeapProperties()

Get the Properties associated with creating the heap.

Overrides:

getCreateHeapProperties in class CatalogRowFactory

Returns:

The Properties associated with creating the heap.

getCreateIndexProperties

public java.util.Properties getCreateIndexProperties(int indexNumber)

Get the Properties associated with creating the specified index.

Overrides:

getCreateIndexProperties in class CatalogRowFactory

Parameters:

indexNumber - The specified index number.

Returns:

The Properties associated with creating the specified index.

buildDescriptor

public TupleDescriptor buildDescriptor(ExecRow row,
                                       TupleDescriptor parentTupleDescriptor,
                                       DataDictionary dd)
                                throws StandardException

Make a ColumnDescriptor out of a SYSCOLUMNS row

Specified by:

buildDescriptor in class CatalogRowFactory

Parameters:

row - a SYSCOLUMNS row

parentTupleDescriptor - The UniqueTupleDescriptor for the object that is tied to this column

dd - dataDictionary

Returns:

a column descriptor equivalent to a SYSCOLUMNS row

Throws:

StandardException - thrown on failure

getPrimaryKeyIndexNumber

public int getPrimaryKeyIndexNumber()

Get the index number for the primary key index on this catalog.

Overrides:

getPrimaryKeyIndexNumber in class CatalogRowFactory

Returns:

a 0-based number

buildColumnList

public SystemColumn[] buildColumnList()
                               throws StandardException

Builds a list of columns suitable for creating this Catalog.

Specified by:

buildColumnList in class CatalogRowFactory

Returns:

array of SystemColumn suitable for making this catalog.

Throws:

StandardException