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Java Source Code / Java Documentation » Database DBMS » Quadcap Embeddable Database » com.quadcap.sql 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.quadcap.sql.TupleImpl
      com.quadcap.sql.CursorImpl
         com.quadcap.sql.BC_Cursor

All known Subclasses:   com.quadcap.sql.IndexCursor,  com.quadcap.sql.OrderByCursor,  com.quadcap.sql.DistinctCursor,
BC_Cursor
abstract public class BC_Cursor extends CursorImpl (Code)
Cursor that implements the DISTINCT modifier by creating temporary table, where the entire row is used as the index key.
author:
   Stan Bailes


Field Summary
protected  BCursorbc
    
protected  LazyRowrow
    
protected  longrowId
    
protected  booleanrowValid
    

Constructor Summary
public  BC_Cursor(Session session, String name, Cursor outer)
    

Method Summary
public  booleanabsolute(int x)
    
public  voidafterLast()
    
public  voidbeforeFirst()
    
abstract public  voidcheckCursor()
     Make the row too, while you're at it...
public  voidclose()
     On close, we release the resources.
public  voiddeleteRow()
    
abstract public  voidfetchCurrentRow()
    
abstract public  longgetCurrentRowId()
    
public  RowgetRow()
    
public  longgetRowId()
    
public  booleanisWritable(int column)
    
public  booleannext()
    
public  booleanprev()
    
public  longsize()
     Return the size of the index backing this cursor.
public  voidupdateRow(Row row)
    

Field Detail
bc
protected BCursor bc(Code)



row
protected LazyRow row(Code)



rowId
protected long rowId(Code)



rowValid
protected boolean rowValid(Code)




Constructor Detail
BC_Cursor
public BC_Cursor(Session session, String name, Cursor outer) throws SQLException(Code)
Constructor on session and cursor




Method Detail
absolute
public boolean absolute(int x) throws SQLException(Code)



afterLast
public void afterLast() throws SQLException(Code)



beforeFirst
public void beforeFirst() throws SQLException(Code)



checkCursor
abstract public void checkCursor() throws IOException, SQLException(Code)
Make the row too, while you're at it...



close
public void close() throws SQLException(Code)
On close, we release the resources.



deleteRow
public void deleteRow() throws SQLException(Code)



fetchCurrentRow
abstract public void fetchCurrentRow() throws IOException, SQLException(Code)



getCurrentRowId
abstract public long getCurrentRowId() throws IOException, SQLException(Code)



getRow
public Row getRow() throws SQLException(Code)
Cursor.getRow(): return the current table row, fetching it if necessary based on the rowId



getRowId
public long getRowId()(Code)
Return the row id



isWritable
public boolean isWritable(int column)(Code)



next
public boolean next() throws SQLException(Code)



prev
public boolean prev() throws SQLException(Code)



size
public long size() throws SQLException(Code)
Return the size of the index backing this cursor.



updateRow
public void updateRow(Row row) throws SQLException(Code)



Fields inherited from com.quadcap.sql.CursorImpl
protected Cursor outer(Code)(Java Doc)
protected Session session(Code)(Java Doc)

Methods inherited from com.quadcap.sql.CursorImpl
public boolean absolute(int row) throws SQLException(Code)(Java Doc)
abstract public void afterLast() throws SQLException(Code)(Java Doc)
abstract public void beforeFirst() throws SQLException(Code)(Java Doc)
abstract public void close() throws SQLException(Code)(Java Doc)
abstract public void deleteRow() throws SQLException(Code)(Java Doc)
static void dumpCursor(String label, Cursor c) throws SQLException(Code)(Java Doc)
public void finalize() throws Throwable(Code)(Java Doc)
public Column getColumn(String columnName) throws SQLException(Code)(Java Doc)
public Cursor getOuterCursor()(Code)(Java Doc)
abstract public Row getRow() throws SQLException(Code)(Java Doc)
public long getRowId()(Code)(Java Doc)
public Session getSession()(Code)(Java Doc)
public Table getTable()(Code)(Java Doc)
public void insertRow(Row row) throws SQLException(Code)(Java Doc)
abstract public boolean isWritable(int column) throws SQLException(Code)(Java Doc)
abstract public boolean next() throws SQLException(Code)(Java Doc)
public boolean prev() throws SQLException(Code)(Java Doc)
public void reset(Expression expr, Cursor outer) throws SQLException(Code)(Java Doc)
public void setOuterCursor(Cursor c)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
abstract public void updateRow(Row row) throws SQLException(Code)(Java Doc)

Fields inherited from com.quadcap.sql.TupleImpl
protected Vector columns(Code)(Java Doc)
protected HashMap names(Code)(Java Doc)
protected String qual(Code)(Java Doc)
protected String qualifier(Code)(Java Doc)

Methods inherited from com.quadcap.sql.TupleImpl
public void addColumn(Column col) throws SQLException(Code)(Java Doc)
public void addColumn(Column col, int pos) throws SQLException(Code)(Java Doc)
public void addColumn(String name, Type type) throws SQLException(Code)(Java Doc)
public void addColumns(Session session, Tuple t) throws SQLException(Code)(Java Doc)
public void addColumns(Session session, Tuple t, boolean resolve) throws SQLException(Code)(Java Doc)
public void deleteColumn(int col) throws SQLException, IOException(Code)(Java Doc)
public Column getColumn(int i) throws SQLException(Code)(Java Doc)
public Column getColumn(String name) throws SQLException(Code)(Java Doc)
public int getColumnCount() throws SQLException(Code)(Java Doc)
public int getColumnIndex(String name) throws SQLException(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public int[] mapColumns(Vector names) throws SQLException(Code)(Java Doc)
static int nextUnquotedPeriod(String s)(Code)(Java Doc)
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)(Java Doc)
public void resolveColumns() throws SQLException(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public void writeExternal(ObjectOutput out) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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