Java Doc for BC_Cursor.java in » Database-DBMS » Quadcap-Embeddable-Database » com » quadcap » sql » Java Source Code / Java DocumentationJava Source Code and Java Documentation
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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
BCursor
bc
protected
LazyRow
row
protected
long
rowId
protected
boolean
rowValid
Constructor Summary
public
BC_Cursor
(
Session
session,
String
name,
Cursor
outer)
Method Summary
public
boolean
absolute
(int x)
public
void
afterLast
()
public
void
beforeFirst
()
abstract
public
void
checkCursor
()
Make the row too, while you're at it...
public
void
close
()
On close, we release the resources.
public
void
deleteRow
()
abstract
public
void
fetchCurrentRow
()
abstract
public
long
getCurrentRowId
()
public
Row
getRow
()
public
long
getRowId
()
public
boolean
isWritable
(int column)
public
boolean
next
()
public
boolean
prev
()
public
long
size
()
Return the size of the index backing this cursor.
public
void
updateRow
(
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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