|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.caucho.db.sql.Expr
com.caucho.db.sql.FunExpr
com.caucho.db.fun.BitandExpr
public class BitandExpr
Field Summary | |
---|---|
protected static L10N |
L
|
Fields inherited from class com.caucho.db.sql.Expr |
---|
FALSE, TRUE, UNKNOWN |
Constructor Summary | |
---|---|
BitandExpr()
|
|
BitandExpr(Expr left,
Expr right)
|
Method Summary | |
---|---|
protected void |
addArg(Expr expr)
|
Expr |
bind(Query query)
Binds the expression to the actual tables. |
double |
evalDouble(QueryContext context)
Evaluates the expression as a double. |
long |
evalLong(QueryContext context)
Evaluates the expression as a long. |
java.lang.String |
evalString(QueryContext context)
Evaluates the expression as a string. |
java.lang.Class<?> |
getType()
Returns the expected result type of the expression. |
boolean |
isNull(QueryContext context)
Returns true for a null value. |
long |
subCost(java.util.ArrayList<FromItem> fromList)
Returns the cost based on the given FromList. |
java.lang.String |
toString()
|
Methods inherited from class com.caucho.db.sql.Expr |
---|
cost, createOrder, evalBoolean, evalBytes, evalDate, evalEqual, evalEqual, evalGroup, evalStream, evalToBuffer, evalToBuffer, evalToResult, getIndexExpr, getName, getSQLType, getTable, getTypeCode, indexCost, indexSubCost, initGroup, isBinaryStream, isBoolean, isDouble, isLong, isNullable, isParam, isSelect, splitAnd, updateDouble, updateLong, updateString |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
protected static final L10N L
Constructor Detail |
---|
public BitandExpr()
public BitandExpr(Expr left, Expr right)
Method Detail |
---|
protected void addArg(Expr expr) throws java.sql.SQLException
addArg
in class FunExpr
java.sql.SQLException
public java.lang.Class<?> getType()
getType
in class Expr
public Expr bind(Query query) throws java.sql.SQLException
bind
in class Expr
java.sql.SQLException
public long subCost(java.util.ArrayList<FromItem> fromList)
subCost
in class Expr
public boolean isNull(QueryContext context) throws java.sql.SQLException
isNull
in class Expr
rows
- the current tuple being evaluated
java.sql.SQLException
public double evalDouble(QueryContext context) throws java.sql.SQLException
evalDouble
in class Expr
rows
- the current tuple being evaluated
java.sql.SQLException
public long evalLong(QueryContext context) throws java.sql.SQLException
evalLong
in class Expr
rows
- the current tuple being evaluated
java.sql.SQLException
public java.lang.String evalString(QueryContext context) throws java.sql.SQLException
evalString
in class Expr
rows
- the current tuple being evaluated
java.sql.SQLException
public java.lang.String toString()
toString
in class java.lang.Object
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |