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

java.lang.Object
  org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod
          org.datanucleus.store.rdbms.sql.method.LogFunction

All Implemented Interfaces:

SQLMethod

public class LogFunction
extends SimpleNumericMethod

Expression handler to invoke the SQL LOG function. For use in evaluating LOG({expr}) where the RDBMS supports this function. Returns a NumericExpression "LOG({numericExpr})".

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

clr, exprFactory, LOCALISER, stmt

Constructor Summary

LogFunction()

Method Summary

protected Class	getClassForMapping()
protected String	getFunctionName()

Methods inherited from class org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod

getExpression

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

LogFunction

public LogFunction()

Method Detail

getFunctionName

protected String getFunctionName()

Specified by:

getFunctionName in class SimpleNumericMethod

getClassForMapping

protected Class getClassForMapping()

Specified by:

getClassForMapping in class SimpleNumericMethod