Java Doc for IdExpr.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » db » sql » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.db.sql   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.caucho.db.sql.Expr       com.caucho.db.sql.IdExpr IdExpr class IdExpr extends Expr (Code) Constructor Summary   IdExpr(FromItem fromItem, Column column)      Creates an unbound identifier with just a column name. Method Summary protected  Expr bind(Query query)      public  boolean equals(Object o)      public  int evalBoolean(QueryContext context)      Evaluates the expression as a boolean. public  double evalDouble(QueryContext context)      public  boolean evalEqual(QueryContext context, byte[] matchBuffer)      public  boolean evalEqual(QueryContext context, String string)      public  int evalInt(QueryContext context)      public  long evalLong(QueryContext context)      public  String evalString(QueryContext context)      Evaluates the expression as a string. public  void evalToResult(QueryContext context, SelectResult result)      Evaluates the expression, writing to the result stream. public  Column getColumn()      Returns the column. public  FromItem getFromItem()      public  String getName()      Returns any column name. public  Table getTable()      Returns the column's table. public  Class getType()      public  boolean isNull(QueryContext context)      Returns true if the expression is null. protected  long lookupCost(ArrayList<FromItem> fromList)      The cost of a match of the expr. public  long subCost(ArrayList<FromItem> fromList)      The cost of a match of the expr. public  String toString()      Constructor Detail IdExpr IdExpr(FromItem fromItem, Column column)(Code) Creates an unbound identifier with just a column name. Method Detail bind protected Expr bind(Query query) throws SQLException(Code) equals public boolean equals(Object o)(Code) evalBoolean public int evalBoolean(QueryContext context) throws SQLException(Code) Evaluates the expression as a boolean. evalDouble public double evalDouble(QueryContext context) throws SQLException(Code) evalEqual public boolean evalEqual(QueryContext context, byte[] matchBuffer) throws SQLException(Code) evalEqual public boolean evalEqual(QueryContext context, String string) throws SQLException(Code) evalInt public int evalInt(QueryContext context) throws SQLException(Code) evalLong public long evalLong(QueryContext context) throws SQLException(Code) evalString public String evalString(QueryContext context) throws SQLException(Code) Evaluates the expression as a string. evalToResult public void evalToResult(QueryContext context, SelectResult result) throws SQLException(Code) Evaluates the expression, writing to the result stream. Parameters:   context - the query context Parameters:   result - the output result getColumn public Column getColumn()(Code) Returns the column. getFromItem public FromItem getFromItem()(Code) Returns the from item getName public String getName()(Code) Returns any column name. getTable public Table getTable()(Code) Returns the column's table. getType public Class getType()(Code) isNull public boolean isNull(QueryContext context) throws SQLException(Code) Returns true if the expression is null. lookupCost protected long lookupCost(ArrayList<FromItem> fromList)(Code) The cost of a match of the expr. subCost public long subCost(ArrayList<FromItem> fromList)(Code) The cost of a match of the expr. toString public String toString()(Code) Fields inherited from com.caucho.db.sql.Expr final static long COST_CONSTANT(Code)(Java Doc) final static long COST_INDEX(Code)(Java Doc) final static long COST_INVALID(Code)(Java Doc) final static long COST_NO_TABLE(Code)(Java Doc) final static long COST_SCAN(Code)(Java Doc) final static long COST_UNIQUE(Code)(Java Doc) final public static int FALSE(Code)(Java Doc) final protected static L10N L(Code)(Java Doc) final public static int TRUE(Code)(Java Doc) final public static int UNKNOWN(Code)(Java Doc) Methods inherited from com.caucho.db.sql.Expr protected Expr bind(Query query) throws SQLException(Code)(Java Doc) public long cost(ArrayList<FromItem> fromList)(Code)(Java Doc) public Order createOrder(int index)(Code)(Java Doc) public int evalBoolean(QueryContext context) throws SQLException(Code)(Java Doc) public long evalDate(QueryContext context) throws SQLException(Code)(Java Doc) public double evalDouble(QueryContext context) throws SQLException(Code)(Java Doc) public void evalGroup(QueryContext context) throws SQLException(Code)(Java Doc) public long evalLong(QueryContext context) throws SQLException(Code)(Java Doc) public InputStream evalStream(QueryContext context) throws SQLException(Code)(Java Doc) public String evalString(QueryContext context) throws SQLException(Code)(Java Doc) public int evalToBuffer(QueryContext context, byte[] buffer, int columnType) throws SQLException(Code)(Java Doc) public void evalToResult(QueryContext context, SelectResult result) throws SQLException(Code)(Java Doc) public RowIterateExpr getIndexExpr(FromItem fromItem)(Code)(Java Doc) public String getName()(Code)(Java Doc) public int getSQLType()(Code)(Java Doc) public Table getTable()(Code)(Java Doc) public Class getType()(Code)(Java Doc) public void initGroup(QueryContext context) throws SQLException(Code)(Java Doc) public boolean isBinaryStream()(Code)(Java Doc) public boolean isBoolean()(Code)(Java Doc) public boolean isDouble()(Code)(Java Doc) public boolean isLong()(Code)(Java Doc) public boolean isNull(QueryContext context) throws SQLException(Code)(Java Doc) public boolean isSelect(QueryContext context) throws SQLException(Code)(Java Doc) public void splitAnd(ArrayList<Expr> andProduct)(Code)(Java Doc) public long subCost(ArrayList<FromItem> fromList)(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)