net.sf.saffron.sql2rel
Interface DefaultValueFactory

All Known Implementing Classes:

SqlToRelConverter.NullDefaultValueFactory

public interface DefaultValueFactory

DefaultValueFactory supplies default values for INSERT and UPDATE.

Version:

$Id: //open/saffron/src/net/sf/saffron/sql2rel/DefaultValueFactory.java#1 $

Author:

John V. Sichi

Method Summary

RexNode

newDefaultValue(SaffronTable table, int iColumn) Create an expression which evaluates to the default value for a particular column.

Method Detail

newDefaultValue

public RexNode newDefaultValue(SaffronTable table,
                               int iColumn)

Create an expression which evaluates to the default value for a particular column.

Parameters:

table - the table containing the column

iColumn - the 0-based offset of the column in the table

Returns:

default value expression