Java Doc for DateDiffFunction.java in  » Database-DBMS » axion » org » axiondb » functions » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » axion » org.axiondb.functions   Source Cross Reference   Class Diagram   Java Document (Java Doc)   org.axiondb.functions.BaseFunction    org.axiondb.functions.DateDiffFunction DateDiffFunction public class DateDiffFunction extends BaseFunction implements ScalarFunction,FunctionFactory(Code) Syntax: DATEDIFF(interval_type, timestamp1, timestamp2) version:    $Revision: 1.16 $ $Date: 2005/05/02 22:28:41 $ author:    Rupesh Ramachandran author:    Ritesh Adval Constructor Summary public   DateDiffFunction()      Method Summary  long calculateDateDiff(int intervalType, Timestamp t1, Timestamp t2)      public  Object evaluate(RowDecorator row)      Returns integer difference (timestamp2 - timestamp1) in units of interval of type interval_type. public  DataType getDataType()      public  boolean isValid()      public  ConcreteFunction makeNewInstance()      Constructor Detail DateDiffFunction public DateDiffFunction()(Code) Creates a new instance of Class Method Detail calculateDateDiff long calculateDateDiff(int intervalType, Timestamp t1, Timestamp t2) throws AxionException(Code) evaluate public Object evaluate(RowDecorator row) throws AxionException(Code) Returns integer difference (timestamp2 - timestamp1) in units of interval of type interval_type. Valid interval types are {day, month, year, second, millisecond, minute, hour, week, quarter} getDataType public DataType getDataType()(Code) DataType isValid public boolean isValid()(Code) makeNewInstance public ConcreteFunction makeNewInstance()(Code) Methods inherited from org.axiondb.functions.BaseFunction public void addArgument(Selectable arg)(Code)(Java Doc) public Selectable getArgument(int i)(Code)(Java Doc) public int getArgumentCount()(Code)(Java Doc) abstract public DataType getDataType()(Code)(Java Doc) abstract public boolean isValid()(Code)(Java Doc) public void setArgument(int i, Selectable arg)(Code)(Java Doc) public void setVariableContext(VariableContext context)(Code)(Java Doc) public String toString()(Code)(Java Doc)