org.postgresql.pljava
Interface ResultSetProvider

All Known Implementing Classes:
BinaryColumnTest, HugeResultSet, MetaDataBooleans, MetaDataInts, MetaDataStrings, ResultSetPicker, TupleReturn, UsingProperties

public interface ResultSetProvider

An implementation of this interface is returned from functions and procedures that are declared to return SET OF a complex type. Functions that return SET OF a simple type should simply return an Iterator.

Author:
Thomas Hallgren

Method Summary
 boolean assignRowValues(ResultSet receiver, int currentRow)
          This method is called once for each row that should be returned from a procedure that returns a set of rows.
 void close()
          Called after the last row has returned or when the query evaluator decides that it does not need any more rows.
 

Method Detail

assignRowValues

boolean assignRowValues(ResultSet receiver,
                        int currentRow)
                        throws SQLException
This method is called once for each row that should be returned from a procedure that returns a set of rows. The receiver is a SingleRowWriter writer instance that is used for capturing the data for the row.

Parameters:
receiver - Receiver of values for the given row.
currentRow - Row number. First call will have row number 0.
Returns:
true if a new row was provided, false if not (end of data).
Throws:
SQLException

close

void close()
           throws SQLException
Called after the last row has returned or when the query evaluator decides that it does not need any more rows.

Throws:
SQLException