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

java.lang.Object
  org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      org.datanucleus.store.rdbms.sql.method.SimpleOrderableAggregateMethod
          org.datanucleus.store.rdbms.sql.method.MinFunction

All Implemented Interfaces:

SQLMethod

public class MinFunction
extends SimpleOrderableAggregateMethod

Expression handler to invoke the SQL MIN aggregation function. For use in evaluating MIN({expr}) where the RDBMS supports this function. Returns an Expression "MIN({orderableExpr})", where the orderable expression is either numeric or temporal

Field Summary

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

clr, exprFactory, LOCALISER, stmt

Constructor Summary

MinFunction()

Method Summary

protected java.lang.String

getFunctionName()

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

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

MinFunction

public MinFunction()

Method Detail

getFunctionName

protected java.lang.String getFunctionName()

Specified by:

getFunctionName in class SimpleOrderableAggregateMethod