Examples of org.apache.derby.iapi.types.DataValueDescriptor.compare()

Class org.apache.derby.iapi.types.DataValueDescriptor

Examples of org.apache.derby.iapi.types.DataValueDescriptor.compare()

org.apache.derby.iapi.types.DataValueDescriptor.compare()
Compare this Orderable with a given Orderable for the purpose of index positioning. This method treats nulls as ordered values - that is, it treats SQL null as equal to null and greater than all other values. @param other The Orderable to compare this one to. @return <0 - this Orderable is less than other.0 - this Orderable equals other.>0 - this Orderable is greater than other. The code should not explicitly look for -1, or 1. @exception StandardException Thrown on error

           * the same operator on the same column with a comparison against
           * the same value.
           */
          if (searchCR2.getTableNumber() == otherCR.getTableNumber() &&
            searchCR2.getColumnNumber() == otherCR.getColumnNumber() &&
            ((currODV != null && searchODV != null && currODV.compare(searchODV) == 0) ||
             (currODV == null && searchODV == null)) &&
            ro2.getOperator() == ro.getOperator() &&
            ro2.getClass().getName().equals(ro.getClass().getName()))
          {
            match = true;

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            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());

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                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    columnValue.compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());

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            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());

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                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    columnValue.compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());

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            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());

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                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    columnValue.compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());

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            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());

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                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.
                DataValueDescriptor columnValue = row[q.getColumnId()];


                row_qualifies =
                    columnValue.compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());

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            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());

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