org.datanucleus.store.rdbms.sql.method
Class StringLength3Method

java.lang.Object
  extended by org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      extended by org.datanucleus.store.rdbms.sql.method.StringLength3Method
All Implemented Interfaces:
SQLMethod

public class StringLength3Method
extends AbstractSQLMethod

Expression handler to evaluate {stringExpression}.length(). Returns a NumericExpression

LENGTH({stringExpr})
.


Field Summary
 
Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
clr, exprFactory, LOCALISER, stmt
 
Constructor Summary
StringLength3Method()
           
 
Method Summary
 SQLExpression getExpression(SQLExpression expr, java.util.List args)
          Return the expression for this SQL function.
 
Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
getMappingForClass, setStatement
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

StringLength3Method

public StringLength3Method()
Method Detail

getExpression

public SQLExpression getExpression(SQLExpression expr,
                                   java.util.List args)
Description copied from interface: SQLMethod
Return the expression for this SQL function.

Parameters:
expr - The expression that it is invoked on
args - Arguments passed in
Returns:
The SQL expression using the SQL function


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