Package org.apache.phoenix.execute

Examples of org.apache.phoenix.execute.MutationState


                    Iterator<KeyRange> iterator = ranges.getPointLookupKeyIterator();
                    Map<ImmutableBytesPtr,Map<PColumn,byte[]>> mutation = Maps.newHashMapWithExpectedSize(ranges.getPointLookupCount());
                    while (iterator.hasNext()) {
                        mutation.put(new ImmutableBytesPtr(iterator.next().getLowerRange()), PRow.DELETE_MARKER);
                    }
                    return new MutationState(tableRef, mutation, 0, maxSize, connection);
                }

                @Override
                public ExplainPlan getExplainPlan() throws SQLException {
                    return new ExplainPlan(Collections.singletonList("DELETE SINGLE ROW"));
                }

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

                @Override
                public StatementContext getContext() {
                    return context;
                }
            };
        } else if (runOnServer) {
            // TODO: better abstraction
            Scan scan = context.getScan();
            scan.setAttribute(BaseScannerRegionObserver.DELETE_AGG, QueryConstants.TRUE);

            // Build an ungrouped aggregate query: select COUNT(*) from <table> where <where>
            // The coprocessor will delete each row returned from the scan
            // Ignoring ORDER BY, since with auto commit on and no limit makes no difference
            SelectStatement aggSelect = SelectStatement.create(SelectStatement.COUNT_ONE, delete.getHint());
            final RowProjector projector = ProjectionCompiler.compile(context, aggSelect, GroupBy.EMPTY_GROUP_BY);
            final QueryPlan aggPlan = new AggregatePlan(context, select, tableRef, projector, null, OrderBy.EMPTY_ORDER_BY, null, GroupBy.EMPTY_GROUP_BY, null);
            return new MutationPlan() {

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

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

                @Override
                public StatementContext getContext() {
                    return context;
                }

                @Override
                public MutationState execute() throws SQLException {
                    // TODO: share this block of code with UPSERT SELECT
                    ImmutableBytesWritable ptr = context.getTempPtr();
                    tableRef.getTable().getIndexMaintainers(ptr);
                    ServerCache cache = null;
                    try {
                        if (ptr.getLength() > 0) {
                            IndexMetaDataCacheClient client = new IndexMetaDataCacheClient(connection, tableRef);
                            cache = client.addIndexMetadataCache(context.getScanRanges(), ptr);
                            byte[] uuidValue = cache.getId();
                            context.getScan().setAttribute(PhoenixIndexCodec.INDEX_UUID, uuidValue);
                        }
                        ResultIterator iterator = aggPlan.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 StatementContext getContext() {
                    return context;
                }

                @Override
                public MutationState execute() throws SQLException {
                    ResultIterator iterator = plan.iterator();
                    if (!hasLimit) {
                        Tuple tuple;
                        long totalRowCount = 0;
                        while ((tuple=iterator.next()) != null) {// Runs query
                            Cell kv = tuple.getValue(0);
                            totalRowCount += PDataType.LONG.getCodec().decodeLong(kv.getValueArray(), kv.getValueOffset(), SortOrder.getDefault());
                        }
                        // Return total number of rows that have been delete. In the case of auto commit being off
                        // the mutations will all be in the mutation state of the current connection.
                        return new MutationState(maxSize, connection, totalRowCount);
                    } else {
                        return deleteRows(statement, tableRef, iterator, plan.getProjector());
                    }
                }

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                        table.getTimeStamp() >= maxTimestamp ||
                         ! Objects.equal(tenantId, table.getTenantId())) );
            }
           
        });
        this.mutationState = new MutationState(maxSize, this);
        this.services.addConnection(this);
    }
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        }
    }

    @Override
    public MutationState updateData(MutationPlan plan) throws SQLException {
        return new MutationState(0, plan.getConnection());
    }
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                }
                setValues(values, pkSlotIndexes, columnIndexes, table, mutation);
                rowCount++;
                // Commit a batch if auto commit is true and we're at our batch size
                if (isAutoCommit && rowCount % batchSize == 0) {
                    MutationState state = new MutationState(tableRef, mutation, 0, maxSize, connection);
                    connection.getMutationState().join(state);
                    connection.commit();
                    mutation.clear();
                }
            }
            // If auto commit is true, this last batch will be committed upon return
            return new MutationState(tableRef, mutation, rowCount / batchSize * batchSize, maxSize, connection);
        } finally {
            iterator.close();
        }
    }
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                                }
                                ResultIterator iterator = aggPlan.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 StatementContext getContext() {
                    return queryPlan.getContext();
                }

                @Override
                public MutationState execute() throws SQLException {
                    ResultIterator iterator = queryPlan.iterator();
                    if (upsertParallelIteratorFactory == null) {
                        return upsertSelect(statement, tableRef, projector, iterator, columnIndexes, pkSlotIndexes);
                    }
                    upsertParallelIteratorFactory.setRowProjector(projector);
                    upsertParallelIteratorFactory.setColumnIndexes(columnIndexes);
                    upsertParallelIteratorFactory.setPkSlotIndexes(pkSlotIndexes);
                    Tuple tuple;
                    long totalRowCount = 0;
                    while ((tuple=iterator.next()) != null) {// Runs query
                        Cell kv = tuple.getValue(0);
                        totalRowCount += PDataType.LONG.getCodec().decodeLong(kv.getValueArray(), kv.getValueOffset(), SortOrder.getDefault());
                    }
                    // Return total number of rows that have been updated. In the case of auto commit being off
                    // the mutations will all be in the mutation state of the current connection.
                    return new MutationState(maxSize, statement.getConnection(), totalRowCount);
                }

                @Override
                public ExplainPlan getExplainPlan() throws SQLException {
                    List<String> queryPlanSteps =  queryPlan.getExplainPlan().getPlanSteps();
                    List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size()+1);
                    planSteps.add("UPSERT SELECT");
                    planSteps.addAll(queryPlanSteps);
                    return new ExplainPlan(planSteps);
                }
               
            };
        }

           
        ////////////////////////////////////////////////////////////////////
        // UPSERT VALUES
        /////////////////////////////////////////////////////////////////////
        int nodeIndex = 0;
        // initialze values with constant byte values first
        final byte[][] values = new byte[nValuesToSet][];
        if (isTenantSpecific) {
            values[nodeIndex++] = connection.getTenantId().getBytes();
        }
        if (isSharedViewIndex) {
            values[nodeIndex++] = MetaDataUtil.getViewIndexIdDataType().toBytes(table.getViewIndexId());
        }
        final int nodeIndexOffset = nodeIndex;
        // Allocate array based on size of all columns in table,
        // since some values may not be set (if they're nullable).
        final StatementContext context = new StatementContext(statement, resolver, new Scan());
        UpsertValuesCompiler expressionBuilder = new UpsertValuesCompiler(context);
        final List<Expression> constantExpressions = Lists.newArrayListWithExpectedSize(valueNodes.size());
        // First build all the expressions, as with sequences we want to collect them all first
        // and initialize them in one batch
        for (ParseNode valueNode : valueNodes) {
            if (!valueNode.isStateless()) {
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.VALUE_IN_UPSERT_NOT_CONSTANT).build().buildException();
            }
            PColumn column = allColumns.get(columnIndexes[nodeIndex]);
            expressionBuilder.setColumn(column);
            Expression expression = valueNode.accept(expressionBuilder);
            if (expression.getDataType() != null && !expression.getDataType().isCastableTo(column.getDataType())) {
                throw TypeMismatchException.newException(
                        expression.getDataType(), column.getDataType(), "expression: "
                                + expression.toString() + " in column " + column);
            }
            constantExpressions.add(expression);
            nodeIndex++;
        }
        return new MutationPlan() {

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

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

            @Override
            public StatementContext getContext() {
                return context;
            }

            @Override
            public MutationState execute() throws SQLException {
                ImmutableBytesWritable ptr = context.getTempPtr();
                final SequenceManager sequenceManager = context.getSequenceManager();
                // Next evaluate all the expressions
                int nodeIndex = nodeIndexOffset;
                Tuple tuple = sequenceManager.getSequenceCount() == 0 ? null :
                    sequenceManager.newSequenceTuple(null);
                for (Expression constantExpression : constantExpressions) {
                    PColumn column = allColumns.get(columnIndexes[nodeIndex]);
                    constantExpression.evaluate(tuple, ptr);
                    Object value = null;
                    if (constantExpression.getDataType() != null) {
                        value = constantExpression.getDataType().toObject(ptr, constantExpression.getSortOrder(), constantExpression.getMaxLength(), constantExpression.getScale());
                        if (!constantExpression.getDataType().isCoercibleTo(column.getDataType(), value)) {
                            throw TypeMismatchException.newException(
                                constantExpression.getDataType(), column.getDataType(), "expression: "
                                        + constantExpression.toString() + " in column " + column);
                        }
                        if (!column.getDataType().isSizeCompatible(ptr, value, constantExpression.getDataType(),
                                constantExpression.getMaxLength(), constantExpression.getScale(),
                                column.getMaxLength(), column.getScale())) {
                            throw new SQLExceptionInfo.Builder(
                                SQLExceptionCode.DATA_EXCEEDS_MAX_CAPACITY).setColumnName(column.getName().getString())
                                .setMessage("value=" + constantExpression.toString()).build().buildException();
                        }
                    }
                    column.getDataType().coerceBytes(ptr, value,
                            constantExpression.getDataType(), constantExpression.getMaxLength(), constantExpression.getScale(), constantExpression.getSortOrder(),
                            column.getMaxLength(), column.getScale(),column.getSortOrder());
                    if (overlapViewColumns.contains(column) && Bytes.compareTo(ptr.get(), ptr.getOffset(), ptr.getLength(), column.getViewConstant(), 0, column.getViewConstant().length-1) != 0) {
                        throw new SQLExceptionInfo.Builder(
                                SQLExceptionCode.CANNOT_UPDATE_VIEW_COLUMN)
                                .setColumnName(column.getName().getString())
                                .setMessage("value=" + constantExpression.toString()).build().buildException();
                    }
                    values[nodeIndex] = ByteUtil.copyKeyBytesIfNecessary(ptr);
                    nodeIndex++;
                }
                // Add columns based on view
                for (PColumn column : addViewColumns) {
                    if (IndexUtil.getViewConstantValue(column, ptr)) {
                        values[nodeIndex++] = ByteUtil.copyKeyBytesIfNecessary(ptr);
                    } else {
                        throw new IllegalStateException();
                    }
                }
                Map<ImmutableBytesPtr, Map<PColumn, byte[]>> mutation = Maps.newHashMapWithExpectedSize(1);
                setValues(values, pkSlotIndexes, columnIndexes, tableRef.getTable(), mutation);
                return new MutationState(tableRef, mutation, 0, maxSize, connection);
            }

            @Override
            public ExplainPlan getExplainPlan() throws SQLException {
                List<String> planSteps = Lists.newArrayListWithExpectedSize(2);
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