Quadcap Embeddable Database

com.quadcap.sql.StmtUpdate Class Reference

Inheritance diagram for com.quadcap.sql.StmtUpdate:

List of all members.

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Detailed Description

Implementation of the SQL UPDATE statement.

Author:

Stan Bailes

Definition at line 56 of file StmtUpdate.java.

Public Member Functions
	StmtUpdate ()
	Default constructor.
	StmtUpdate (String tableName)
	Explicit constructor from table name only.
void	addItem (UpdateItem item)
	Add a new update item.
void	addWhere (Expression where)
	Add a 'where' expression.
void	execute (Session session) throws IOException, SQLException
	Excute the update operation.
Package Attributes
String	tableName
SelectExpression	select
Vector	items

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Constructor & Destructor Documentation

com.quadcap.sql.StmtUpdate.StmtUpdate (   )

Default constructor. Definition at line 64 of file StmtUpdate.java.

com.quadcap.sql.StmtUpdate.StmtUpdate (  String  tableName  )

Explicit constructor from table name only. Definition at line 69 of file StmtUpdate.java.

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Member Function Documentation

void com.quadcap.sql.StmtUpdate.addItem (  UpdateItem  item  )

Add a new update item. Definition at line 77 of file StmtUpdate.java. References com.quadcap.sql.StmtUpdate.addItem(), and com.quadcap.sql.StmtUpdate.items. Referenced by com.quadcap.sql.StmtUpdate.addItem(), and com.quadcap.sql.SQLParser.updateStmt().

void com.quadcap.sql.StmtUpdate.addWhere (  Expression  where  )

Add a 'where' expression. Definition at line 84 of file StmtUpdate.java. References com.quadcap.sql.StmtUpdate.addWhere(), com.quadcap.sql.StmtUpdate.select, and com.quadcap.sql.StmtUpdate.tableName. Referenced by com.quadcap.sql.StmtUpdate.addWhere(), and com.quadcap.sql.SQLParser.updateStmt().

void com.quadcap.sql.StmtUpdate.execute (  Session  session  )  throws IOException, SQLException

Excute the update operation. Implements com.quadcap.sql.Stmt. Definition at line 91 of file StmtUpdate.java. References com.quadcap.sql.Cursor.close(), com.quadcap.sql.UpdateItem.evaluate(), com.quadcap.sql.StmtUpdate.execute(), com.quadcap.sql.Database.getRelation(), com.quadcap.sql.Cursor.getRow(), com.quadcap.sql.Relation.isUpdatable(), com.quadcap.sql.StmtUpdate.items, com.quadcap.sql.Cursor.next(), com.quadcap.sql.StmtUpdate.select, com.quadcap.sql.StmtUpdate.tableName, com.quadcap.sql.UpdateItem.update(), and com.quadcap.sql.Cursor.updateRow(). Referenced by com.quadcap.sql.StmtUpdate.execute().

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Member Data Documentation

Vector com.quadcap.sql.StmtUpdate.items [package]

Definition at line 59 of file StmtUpdate.java. Referenced by com.quadcap.sql.StmtUpdate.addItem(), and com.quadcap.sql.StmtUpdate.execute().

SelectExpression com.quadcap.sql.StmtUpdate.select [package]

Definition at line 58 of file StmtUpdate.java. Referenced by com.quadcap.sql.StmtUpdate.addWhere(), and com.quadcap.sql.StmtUpdate.execute().

String com.quadcap.sql.StmtUpdate.tableName [package]

Definition at line 57 of file StmtUpdate.java. Referenced by com.quadcap.sql.StmtUpdate.addWhere(), and com.quadcap.sql.StmtUpdate.execute().