Package org.apache.phoenix.schema.tuple

Examples of org.apache.phoenix.schema.tuple.SingleKeyValueTuple

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    private final static byte[] B = Bytes.toBytes("b");

    @Test
    public void testAggregatingMergeSort() throws Throwable {
        Tuple[] results1 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(1L))),
            };
        Tuple[] results2 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(1L)))
            };
        Tuple[] results3 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(1L))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(1L))),
            };
        Tuple[] results4 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(1L))),
            };
        final List<PeekingResultIterator>results = new ArrayList<PeekingResultIterator>(Arrays.asList(new PeekingResultIterator[] {
                new MaterializedResultIterator(Arrays.asList(results1)),
                new MaterializedResultIterator(Arrays.asList(results2)),
                new MaterializedResultIterator(Arrays.asList(results3)),
                new MaterializedResultIterator(Arrays.asList(results4))}));

        Tuple[] expectedResults = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(3L))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, PDataType.LONG.toBytes(2L))),
            };

        PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class);
        PhoenixStatement statement = new PhoenixStatement(pconn);
        StatementContext context = new StatementContext(statement, null, new Scan(), new SequenceManager(statement));
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    private final static byte[] B = Bytes.toBytes("b");

    @Test
    public void testMergeSort() throws Throwable {
        Tuple[] results1 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };
        Tuple[] results2 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1)))
            };
        Tuple[] results3 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };
        final List<PeekingResultIterator>results = new ArrayList<PeekingResultIterator>(Arrays.asList(new PeekingResultIterator[] {new MaterializedResultIterator(Arrays.asList(results1)), new MaterializedResultIterator(Arrays.asList(results2)), new MaterializedResultIterator(Arrays.asList(results3))}));

        Tuple[] expectedResults = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };

        ResultIterators iterators = new ResultIterators() {

            @Override
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    private final static byte[] A = Bytes.toBytes("a");
    private final static byte[] B = Bytes.toBytes("b");

    private void testSpooling(int threshold, long maxSizeSpool) throws Throwable {
        Tuple[] results = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };
        PeekingResultIterator iterator = new MaterializedResultIterator(Arrays.asList(results));

        Tuple[] expectedResults = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };

        MemoryManager memoryManager = new DelegatingMemoryManager(new GlobalMemoryManager(threshold, 0));
        ResultIterator scanner = new SpoolingResultIterator(iterator, memoryManager, threshold, maxSizeSpool);
        AssertResults.assertResults(scanner, expectedResults);
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            int vIntValLength = WritableUtils.getVIntSize(keyLength);
            KeyValue keyValue =
                    KeyValueUtil.newKeyValue(ptr.get(), ptr.getOffset(), ptr.getLength(),
                        QueryConstants.SINGLE_COLUMN_FAMILY, QueryConstants.SINGLE_COLUMN,
                        QueryConstants.AGG_TIMESTAMP, data, vIntKeyLength + keyLength + vIntValLength, valueLength);
            Tuple result = new SingleKeyValueTuple(keyValue);
            TupleUtil.getAggregateValue(result, ptr);
            KeyValueSchema schema = aggregators.getValueSchema();
            ValueBitSet tempValueSet = ValueBitSet.newInstance(schema);
            tempValueSet.clear();
            tempValueSet.or(ptr);
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    private final static byte[] D = Bytes.toBytes("d");

    @Test
    public void testConcat() throws Throwable {
        Tuple[] results1 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };
        Tuple[] results2 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2)))
            };
        Tuple[] results3 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
            };
        final List<PeekingResultIterator>results = Arrays.asList(new PeekingResultIterator[] {new MaterializedResultIterator(Arrays.asList(results1)), new MaterializedResultIterator(Arrays.asList(results2)), new MaterializedResultIterator(Arrays.asList(results3))});
        ResultIterators iterators = new ResultIterators() {

            @Override
            public List<PeekingResultIterator> getIterators() throws SQLException {
                return results;
            }

            @Override
            public int size() {
                return results.size();
            }

            @Override
            public void explain(List<String> planSteps) {
            }
           
        };

        Tuple[] expectedResults = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2))),
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
            };

        ResultIterator scanner = new ConcatResultIterator(iterators);
        AssertResults.assertResults(scanner, expectedResults);
    }
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    }
   
    @Test
    public void testMergeSort() throws Throwable {
        Tuple[] results1 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(C, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
            };
        Tuple[] results2 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2)))
            };
        Tuple[] results3 = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
                new SingleKeyValueTuple(new KeyValue(D, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
            };
        final List<PeekingResultIterator>results = new ArrayList<PeekingResultIterator>(Arrays.asList(new PeekingResultIterator[] {new MaterializedResultIterator(Arrays.asList(results1)), new MaterializedResultIterator(Arrays.asList(results2)), new MaterializedResultIterator(Arrays.asList(results3))}));

        Tuple[] expectedResults = new Tuple[] {
                new SingleKeyValueTuple(new KeyValue(A, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(3))),
                new SingleKeyValueTuple(new KeyValue(B, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(2))),
                new SingleKeyValueTuple(new KeyValue(C, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(1))),
                new SingleKeyValueTuple(new KeyValue(D, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, Bytes.toBytes(4))),
            };

        ResultIterators iterators = new ResultIterators() {

            @Override
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            CompilableStatement compilableStmt = getStatement();
            final StatementPlan plan = compilableStmt.compilePlan(stmt, Sequence.ValueOp.VALIDATE_SEQUENCE);
            List<String> planSteps = plan.getExplainPlan().getPlanSteps();
            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);
            }
            final ResultIterator iterator = new MaterializedResultIterator(tuples);
            return new QueryPlan() {
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            state = new MutationState(maxSize, connection, totalRowCount);
        }
        final MutationState finalState = state;
        byte[] value = PDataType.LONG.toBytes(totalRowCount);
        KeyValue keyValue = KeyValueUtil.newKeyValue(UNGROUPED_AGG_ROW_KEY, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, AGG_TIMESTAMP, value, 0, value.length);
        final Tuple tuple = new SingleKeyValueTuple(keyValue);
        return new PeekingResultIterator() {
            private boolean done = false;
           
            @Override
            public Tuple next() throws SQLException {
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            result = resultIterator.next();
        }
       
        byte[] value = aggregators.toBytes(rowAggregators);
        result.getKey(tempPtr);
        return new SingleKeyValueTuple(KeyValueUtil.newKeyValue(tempPtr, SINGLE_COLUMN_FAMILY, SINGLE_COLUMN, AGG_TIMESTAMP, value, 0, value.length));
    }
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        Tuple result = super.next();
        // Ensure ungrouped aggregregation always returns a row, even if the underlying iterator doesn't.
        if (result == null && !hasRows) {
            // Generate value using unused ClientAggregators
            byte[] value = aggregators.toBytes(aggregators.getAggregators());
            result = new SingleKeyValueTuple(
                    KeyValueUtil.newKeyValue(UNGROUPED_AGG_ROW_KEY,
                            SINGLE_COLUMN_FAMILY,
                            SINGLE_COLUMN,
                            AGG_TIMESTAMP,
                            value));
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Related Classes of org.apache.phoenix.schema.tuple.SingleKeyValueTuple

  • org.apache.phoenix.cache.aggcache.SpillManager
  • org.apache.phoenix.compile.MutatingParallelIteratorFactory
  • org.apache.phoenix.iterate.AggregateResultScannerTest
  • org.apache.phoenix.iterate.ConcatResultIteratorTest
  • org.apache.phoenix.iterate.GroupedAggregatingResultIterator
  • org.apache.phoenix.iterate.MergeSortResultIteratorTest
  • org.apache.phoenix.iterate.SpoolingResultIteratorTest
  • org.apache.phoenix.iterate.UngroupedAggregatingResultIterator
  • org.apache.phoenix.jdbc.PhoenixStatement$ExecutableExplainStatement
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