Function

java.lang.Object

org.h2.samples.Function

public class Function extends Object

This sample application shows how to define and use custom (user defined) functions in this database.

Constructor Summary

Constructors

Constructor

Description

Function()
Method Summary

Modifier and Type

Method

Description

static ResultSet

getMatrix(Connection conn, Integer size)

Creates a simple result set with two columns.

static boolean

isPrime(int value)

Check if a value is a prime number.

static void

main(String... args)

This method is called when executing this sample application from the command line.

static ResultSet

query(Connection conn, String sql)

Execute a query.

static ResultSet

simpleResultSet()

Creates a simple result set with one row.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- Function
  
  public Function()
Method Details
- main
  
  public static void main(String... args) throws Exception
  
  This method is called when executing this sample application from the command line.
  
  Parameters:
  
  args - the command line parameters
  
  Throws:
  
  Exception - on failure
- isPrime
  
  public static boolean isPrime(int value)
  
  Check if a value is a prime number.
  
  Parameters:
  
  value - the value
  
  Returns:
  
  true if it is a prime number
- query
  
  public static ResultSet query(Connection conn, String sql) throws SQLException
  
  Execute a query.
  
  Parameters:
  
  conn - the connection
  
  sql - the SQL statement
  
  Returns:
  
  the result set
  
  Throws:
  
  SQLException - on failure
- simpleResultSet
  
  public static ResultSet simpleResultSet()
  
  Creates a simple result set with one row.
  
  Returns:
  
  the result set
- getMatrix
  
  public static ResultSet getMatrix(Connection conn, Integer size) throws SQLException
  
  Creates a simple result set with two columns.
  
  Parameters:
  
  conn - the connection
  
  size - the number of x and y values
  
  Returns:
  
  the result set with two columns
  
  Throws:
  
  SQLException - on failure