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

All Known Implementing Classes:
AbstractSQLOperation, Concat2Operation, Concat3Operation, ConcatOperation, Mod2Operation, Mod3Operation, ModOperation, 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)


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