Quadcap Embeddable Database

com.quadcap.sql.View Class Reference

Inheritance diagram for com.quadcap.sql.View:

List of all members.

---

Detailed Description

A SQL VIEW.

Author:

Stan Bailes

Definition at line 64 of file View.java.

Public Member Functions
	View ()
	Default constructor.
	View (String name, Vector columns, TableExpression select, int check)
	Explicit constructor from name, columns, select expression, VIEW CHECK state.
void	addColumns (Session session) throws SQLException
	Lazy build the view's columns list.
void	checkRow (Session session, Cursor cursor, Row row) throws SQLException
	Check a base row to see if it's contained in the view.
void	readExternal (ObjectInput in) throws IOException, ClassNotFoundException
	Externalizable.readExternal(): Read me from a stream.
void	writeExternal (ObjectOutput out) throws IOException
	Externalizable.writeExternal(): Write me to a stream.
Cursor	getCursor (Session session, Expression where, String asName, Cursor cursor) throws SQLException
	Get the view's cursor.
void	insertRow (Session session, Row row) throws SQLException, IOException
boolean	isUpdatable ()
boolean	hasBlobs ()
Vector	getBaseTables ()
Expression	getViewExpression ()
String	getType ()
void	delete (Session session)
String	toString ()
	Return a string representation for debugging.
Package Attributes
Vector	viewColumns
TableExpression	select
int	check
Static Package Attributes
final int	NOCHECK = -1
final int	CASCADED = 0
final int	LOCAL = 1

---

Constructor & Destructor Documentation

com.quadcap.sql.View.View (   )

Default constructor. Definition at line 77 of file View.java.

com.quadcap.sql.View.View (  String  name, Vector  columns, TableExpression  select, int  check )

Explicit constructor from name, columns, select expression, VIEW CHECK state. Definition at line 83 of file View.java.

---

Member Function Documentation

void com.quadcap.sql.View.addColumns (  Session  session  )  throws SQLException

Lazy build the view's columns list. Definition at line 95 of file View.java. References com.quadcap.sql.View.addColumns(), com.quadcap.sql.Cursor.close(), and com.quadcap.sql.View.getCursor(). Referenced by com.quadcap.sql.View.addColumns(), com.quadcap.sql.StmtCreateView.execute(), and com.quadcap.sql.StmtCreateView.redo().

void com.quadcap.sql.View.checkRow (  Session  session, Cursor  cursor, Row  row )  throws SQLException

Check a base row to see if it's contained in the view. Definition at line 109 of file View.java. References com.quadcap.sql.View.check, com.quadcap.sql.View.checkRow(), com.quadcap.sql.Expression.getValue(), com.quadcap.sql.TableExpression.getWhere(), com.quadcap.sql.types.Value.isTrue(), com.quadcap.sql.TableExpression.isUpdatable(), com.quadcap.sql.StaticCursor.next(), com.quadcap.sql.View.NOCHECK, and com.quadcap.sql.View.select. Referenced by com.quadcap.sql.View.checkRow(), com.quadcap.sql.ViewCursor.insertRow(), and com.quadcap.sql.ViewCursor.updateRow().

void com.quadcap.sql.View.delete (  Session  session  )

Definition at line 222 of file View.java.

Vector com.quadcap.sql.View.getBaseTables (   )

Definition at line 210 of file View.java. References com.quadcap.sql.TableExpression.getBaseTables(), and com.quadcap.sql.View.select. Referenced by com.quadcap.sql.StmtCreateView.redo().

Cursor com.quadcap.sql.View.getCursor (  Session  session, Expression  where, String  asName, Cursor  cursor )  throws SQLException

Get the view's cursor. Implements com.quadcap.sql.Relation. Definition at line 152 of file View.java. References com.quadcap.sql.Tuple.getColumn(), com.quadcap.sql.Tuple.getColumnCount(), com.quadcap.sql.TableExpression.getCursor(), com.quadcap.sql.View.getCursor(), com.quadcap.sql.Column.getName(), com.quadcap.sql.TupleImpl.getName(), com.quadcap.sql.View.select, and com.quadcap.sql.View.viewColumns. Referenced by com.quadcap.sql.View.addColumns(), and com.quadcap.sql.View.getCursor().

String com.quadcap.sql.View.getType (   )

Implements com.quadcap.sql.Relation. Definition at line 220 of file View.java.

Expression com.quadcap.sql.View.getViewExpression (   )

Definition at line 216 of file View.java. References com.quadcap.sql.View.select. Referenced by com.quadcap.sql.StmtRenameTable.renameView().

boolean com.quadcap.sql.View.hasBlobs (   )

Implements com.quadcap.sql.Relation. Definition at line 206 of file View.java.

void com.quadcap.sql.View.insertRow (  Session  session, Row  row )  throws SQLException, IOException

Implements com.quadcap.sql.Relation. Definition at line 190 of file View.java. References com.quadcap.sql.Cursor.close(), com.quadcap.sql.Cursor.insertRow(), and com.quadcap.sql.View.insertRow(). Referenced by com.quadcap.sql.View.insertRow().

boolean com.quadcap.sql.View.isUpdatable (   )

Implements com.quadcap.sql.Relation. Definition at line 202 of file View.java. References com.quadcap.sql.TableExpression.isUpdatable(), and com.quadcap.sql.View.select.

void com.quadcap.sql.View.readExternal (  ObjectInput  in  )  throws IOException, ClassNotFoundException

Externalizable.readExternal(): Read me from a stream. Reimplemented from com.quadcap.sql.TupleImpl. Definition at line 130 of file View.java. References com.quadcap.sql.View.readExternal(). Referenced by com.quadcap.sql.View.readExternal().

String com.quadcap.sql.View.toString (   )

Return a string representation for debugging. Reimplemented from com.quadcap.sql.TupleImpl. Definition at line 224 of file View.java. References com.quadcap.sql.TupleImpl.getName(), com.quadcap.sql.Column.getShortName(), com.quadcap.sql.View.select, and com.quadcap.sql.Expression.toString(). Referenced by com.quadcap.sql.StmtCreateView.toString().

void com.quadcap.sql.View.writeExternal (  ObjectOutput  out  )  throws IOException

Externalizable.writeExternal(): Write me to a stream. Reimplemented from com.quadcap.sql.TupleImpl. Definition at line 142 of file View.java. References com.quadcap.sql.View.check, com.quadcap.sql.View.select, com.quadcap.sql.View.viewColumns, and com.quadcap.sql.View.writeExternal(). Referenced by com.quadcap.sql.View.writeExternal().

---

Member Data Documentation

final int com.quadcap.sql.View.CASCADED = 0 [static, package]

Definition at line 69 of file View.java.

int com.quadcap.sql.View.check [package]

Definition at line 72 of file View.java. Referenced by com.quadcap.sql.View.checkRow(), and com.quadcap.sql.View.writeExternal().

final int com.quadcap.sql.View.LOCAL = 1 [static, package]

Definition at line 70 of file View.java.

final int com.quadcap.sql.View.NOCHECK = -1 [static, package]

Definition at line 68 of file View.java. Referenced by com.quadcap.sql.View.checkRow().

TableExpression com.quadcap.sql.View.select [package]

Definition at line 66 of file View.java. Referenced by com.quadcap.sql.View.checkRow(), com.quadcap.sql.View.getBaseTables(), com.quadcap.sql.View.getCursor(), com.quadcap.sql.View.getViewExpression(), com.quadcap.sql.View.isUpdatable(), com.quadcap.sql.View.toString(), and com.quadcap.sql.View.writeExternal().

Vector com.quadcap.sql.View.viewColumns [package]

Definition at line 65 of file View.java. Referenced by com.quadcap.sql.View.getCursor(), and com.quadcap.sql.View.writeExternal().