org.datanucleus.store.rdbms.sql.operation
Interface SQLOperation

All Known Implementing Classes:

AbstractSQLOperation, Concat2Operation, Concat3Operation, Mod2Operation, Mod3Operation, NumericToString2Operation, NumericToString3Operation, NumericToStringOperation

public interface SQLOperation

Interface to implement an operation in SQL.

Method Summary

SQLExpression	getExpression(SQLExpression expr, SQLExpression expr2) Return the expression for this SQL function.
void	setExpressionFactory(SQLExpressionFactory exprFactory)

Method Detail

getExpression

SQLExpression getExpression(SQLExpression expr,
                            SQLExpression expr2)

Return the expression for this SQL function.

Parameters:

expr - Left hand expression

expr2 - Right hand expression

Returns:

The SQL expression for the operation

setExpressionFactory

void setExpressionFactory(SQLExpressionFactory exprFactory)