Package org.apache.phoenix.query

Examples of org.apache.phoenix.query.Scanner


                                    }
                                },
                                column.isCaseSensitive())
                        );
                        final RowProjector newProjector = new RowProjector(columns, projector.getEstimatedRowByteSize(), projector.isProjectEmptyKeyValue());
                        Scanner delegate = new DelegateScanner(scanner) {
                            @Override
                            public RowProjector getProjection() {
                                return newProjector;
                            }
                            @Override
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        }

        @Override
        public PhoenixResultSet executeQuery() throws SQLException {
            QueryPlan plan = optimizePlan();
            Scanner scanner = plan.getScanner();
            PhoenixResultSet rs = newResultSet(scanner);
            resultSets.add(rs);
            lastResultSet = rs;
            lastUpdateCount = NO_UPDATE;
            lastUpdateOperation = null;
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            List<Tuple> tuples = Lists.newArrayListWithExpectedSize(planSteps.size());
            for (String planStep : planSteps) {
                Tuple tuple = new SingleKeyValueTuple(KeyValueUtil.newKeyValue(PDataType.VARCHAR.toBytes(planStep), EXPLAIN_PLAN_FAMILY, EXPLAIN_PLAN_COLUMN, MetaDataProtocol.MIN_TABLE_TIMESTAMP, ByteUtil.EMPTY_BYTE_ARRAY));
                tuples.add(tuple);
            }
            Scanner scanner = new WrappedScanner(new MaterializedResultIterator(tuples),EXPLAIN_PLAN_ROW_PROJECTOR);
            PhoenixResultSet rs = new PhoenixResultSet(scanner, new PhoenixStatement(connection));
            lastResultSet = rs;
            lastQueryPlan = null;
            lastUpdateCount = NO_UPDATE;
            return rs;
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                            IndexMetaDataCacheClient client = new IndexMetaDataCacheClient(connection, tableRef);
                            cache = client.addIndexMetadataCache(context.getScanRanges(), ptr);
                            byte[] uuidValue = cache.getId();
                            context.getScan().setAttribute(PhoenixIndexCodec.INDEX_UUID, uuidValue);
                        }
                        Scanner scanner = aggPlan.getScanner();
                        ResultIterator iterator = scanner.iterator();
                        try {
                            Tuple row = iterator.next();
                            final long mutationCount = (Long)projector.getColumnProjector(0).getValue(row, PDataType.LONG, ptr);
                            return new MutationState(maxSize, connection) {
                                @Override
                                public long getUpdateCount() {
                                    return mutationCount;
                                }
                            };
                        } finally {
                            iterator.close();
                        }
                    } finally {
                        if (cache != null) {
                            cache.close();
                        }
                    }
                }

                @Override
                public ExplainPlan getExplainPlan() throws SQLException {
                    List<String> queryPlanSteps =  aggPlan.getExplainPlan().getPlanSteps();
                    List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size()+1);
                    planSteps.add("DELETE ROWS");
                    planSteps.addAll(queryPlanSteps);
                    return new ExplainPlan(planSteps);
                }
            };
        } else {
            if (parallelIteratorFactory != null) {
                parallelIteratorFactory.setRowProjector(plan.getProjector());
            }
            return new MutationPlan() {

                @Override
                public PhoenixConnection getConnection() {
                    return connection;
                }

                @Override
                public ParameterMetaData getParameterMetaData() {
                    return context.getBindManager().getParameterMetaData();
                }

                @Override
                public MutationState execute() throws SQLException {
                    Scanner scanner = plan.getScanner();
                    ResultIterator iterator = scanner.iterator();
                    if (!hasLimit) {
                        Tuple tuple;
                        long totalRowCount = 0;
                        while ((tuple=iterator.next()) != null) {// Runs query
                            KeyValue kv = tuple.getValue(0);
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                                    scan.addFamily(family);
                                }
                                projector = new RowProjector(projector,false);
                            }
                            QueryPlan plan = new AggregatePlan(context, SelectStatement.COUNT_ONE, tableRef, projector, null, OrderBy.EMPTY_ORDER_BY, null, GroupBy.EMPTY_GROUP_BY, null);
                            Scanner scanner = plan.getScanner();
                            ResultIterator iterator = scanner.iterator();
                            try {
                                Tuple row = iterator.next();
                                ImmutableBytesWritable ptr = context.getTempPtr();
                                totalMutationCount += (Long)projector.getColumnProjector(0).getValue(row, PDataType.LONG, ptr);
                            } catch (SQLException e) {
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                                    IndexMetaDataCacheClient client = new IndexMetaDataCacheClient(connection, tableRef);
                                    cache = client.addIndexMetadataCache(context.getScanRanges(), ptr);
                                    byte[] uuidValue = cache.getId();
                                    scan.setAttribute(PhoenixIndexCodec.INDEX_UUID, uuidValue);
                                }
                                Scanner scanner = aggPlan.getScanner();
                                ResultIterator iterator = scanner.iterator();
                                try {
                                    Tuple row = iterator.next();
                                    final long mutationCount = (Long)aggProjector.getColumnProjector(0).getValue(row, PDataType.LONG, ptr);
                                    return new MutationState(maxSize, connection) {
                                        @Override
                                        public long getUpdateCount() {
                                            return mutationCount;
                                        }
                                    };
                                } finally {
                                    iterator.close();
                                }
                            } finally {
                                if (cache != null) {
                                    cache.close();
                                }
                            }
                        }
   
                        @Override
                        public ExplainPlan getExplainPlan() throws SQLException {
                            List<String> queryPlanSteps =  aggPlan.getExplainPlan().getPlanSteps();
                            List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size()+1);
                            planSteps.add("UPSERT ROWS");
                            planSteps.addAll(queryPlanSteps);
                            return new ExplainPlan(planSteps);
                        }
                    };
                }
            }

            ////////////////////////////////////////////////////////////////////
            // UPSERT SELECT run client-side
            /////////////////////////////////////////////////////////////////////
            return new MutationPlan() {

                @Override
                public PhoenixConnection getConnection() {
                    return connection;
                }
               
                @Override
                public ParameterMetaData getParameterMetaData() {
                    return queryPlan.getContext().getBindManager().getParameterMetaData();
                }

                @Override
                public MutationState execute() throws SQLException {
                    Scanner scanner = queryPlan.getScanner();
                    ResultIterator iterator = scanner.iterator();
                    if (upsertParallelIteratorFactory == null) {
                        return upsertSelect(statement, tableRef, projector, iterator, columnIndexes, pkSlotIndexes);
                    }
                    upsertParallelIteratorFactory.setRowProjector(projector);
                    upsertParallelIteratorFactory.setColumnIndexes(columnIndexes);
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