Package com.foundationdb.qp.operator.API

Examples of com.foundationdb.qp.operator.API.Ordering

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                    ExpressionGenerators.field(cType, 1, 1), // w
                    ExpressionGenerators.field(cType, 0, 0), // cid
                    ExpressionGenerators.field(oType, 0, 2), // oid
                    ExpressionGenerators.field(iType, 0, 5)  // iid
                );
                Ordering ordering = API.ordering();
                for(int i = 0; i < expList.size(); ++i) {
                    TPreparedExpression prep = expList.get(i).getTPreparedExpression();
                    ordering.append(ExpressionGenerators.field(prep.resultType(), i), true);
                }
                Operator plan = API.groupScan_Default(cType.table().getGroup());
                plan = API.filter_Default(plan, Arrays.asList(cType, oType, iType));
                plan = API.flatten_HKeyOrdered(plan, cType, oType, JoinType.LEFT_JOIN);
                plan = API.flatten_HKeyOrdered(plan, plan.rowType(), iType, JoinType.LEFT_JOIN);
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                RowType tType = schema.tableRowType(tID);
                List<ExpressionGenerator> expList = Arrays.asList(
                    ExpressionGenerators.field(tableRowType, 0, 1), // x
                    ExpressionGenerators.field(tableRowType, 1, 0)  // id
                );
                Ordering ordering = API.ordering();
                for(int i = 0; i < expList.size(); ++i) {
                    TPreparedExpression prep = expList.get(i).getTPreparedExpression();
                    ordering.append(ExpressionGenerators.field(prep.resultType(), i), true);
                }
                Operator plan = API.groupScan_Default(tType.table().getGroup());
                plan = API.project_Default(plan, expList, tType);
                plan = API.sort_General(plan, plan.rowType(), ordering, SortOption.PRESERVE_DUPLICATES);
                return plan;
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                           });
        IndexKeyRange indexRange = IndexKeyRange.bounded(indexType,
                                                         bound, true,
                                                         bound, true);

        Ordering ordering = API.ordering();
        for (int i = 0; i < nkeys; i++) {
            ordering.append(new TPreparedField(indexType.typeAt(i), i),
                            false);
        }

        return API.indexScan_Default(indexType, indexRange, ordering);
    }
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Related Classes of com.foundationdb.qp.operator.API.Ordering

  • com.foundationdb.server.test.mt.OnlineCreateGroupIndexMT
  • com.foundationdb.server.test.mt.OnlineCreateTableIndexMT
  • com.foundationdb.sql.optimizer.rule.PlanGenerator
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