org.millscript.millscript.functions
Class JdbcExecuteQueryFunction

java.lang.Object
  org.millscript.millscript.functions.Function
      org.millscript.millscript.functions.JdbcExecuteQueryFunction

public class JdbcExecuteQueryFunction
extends Function

This class implements a millscript function to execute an SQL query through the JDBC interface. The query is done using a prepared statement, which should improve efficiency for multiple queries. The generated function requires at least one argument, which will be the DataSource for the query. Any subsequent arguments are treated as parameters for the prepared statement.

 f( datasource, arg1, arg2, arg3, ... )
 

The function returns a list-of-maps.

Since:

9.6.4

Constructor Summary

JdbcExecuteQueryFunction(java.lang.String s)
Construct a new function which will execute the specifed SQL as a prepared statement.

Method Summary

void	apply(Machine mc, int nargs) Performs this function using the specified machine, with the specified number of arguments.
java.lang.String	toString() Returns a string representation of this function.

Methods inherited from class org.millscript.millscript.functions.Function

applyUpdater, checkNargs, checkNargsGT, checkUNargs, getName, modName, reportNargsError, reportNargsGTError, setName, tryClone

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JdbcExecuteQueryFunction

public JdbcExecuteQueryFunction(java.lang.String s)

Construct a new function which will execute the specifed SQL as a prepared statement.

Parameters:

s - the string containing SQL to prepare and execute

Method Detail

apply

public void apply(Machine mc,
                  int nargs)

Description copied from class: Function

Performs this function using the specified machine, with the specified number of arguments.

Specified by:

apply in class Function

Parameters:

mc - the machine to perform this function on

nargs - the number of arguments the function is being invoked with

See Also:

Function.apply(org.millscript.millscript.vm.Machine, int)

toString

public java.lang.String toString()

Returns a string representation of this function. It shows that it requires one or more arguments.

Overrides:

toString in class Function

Returns:

a string representation of this function

See Also:

Object.toString()