Examples of WindowResultSet

org.apache.derby.impl.sql.execute.WindowResultSet
WindowResultSet This ResultSet handles a window function ResultSet. The implementation is based on IndexRowToBaseRowResultSet. The ResultSet is opened using openCore(). Each row is fetched and any restrictions evaluated for each row in a do-while loop in getNextRowCore(). The ResultSet is closed using closeCore(). The WindowResultSet may have any type ResultSet as its source ResultSet to accomodate future window function implementation. Ranking window functions can use an already grouped or ordered resultset as its source.

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                                irtbrrs.source)
                      );
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(                      
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                      rrs.optimizerEstimatedRowCount,
                      rrs.optimizerEstimatedCost);
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                      rrs.optimizerEstimatedRowCount,
                      rrs.optimizerEstimatedCost);
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                      rrs.optimizerEstimatedRowCount,
                      rrs.optimizerEstimatedCost);
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                      rrs.optimizerEstimatedRowCount,
                      rrs.optimizerEstimatedCost);
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

Examples of org.apache.derby.impl.sql.execute.WindowResultSet

                                irtbrrs.source)
                      );
    }
    else if (rs instanceof WindowResultSet)
    {
      WindowResultSet wrs = (WindowResultSet) rs;


      return new RealWindowResultSetStatistics(                      
                      wrs.numOpens,
                      wrs.rowsSeen,
                      wrs.rowsFiltered,

View Full Code Here

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