Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ColumnHandle

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                return super.visitIsNotNullPredicate(node, complement);
            }

            Symbol symbol = Symbol.fromQualifiedName(((QualifiedNameReference) node.getValue()).getName());
            ColumnType columnType = checkedTypeLookup(symbol);
            ColumnHandle columnHandle = checkedColumnHandleLookup(symbol);

            Domain domain = complementIfNecessary(Domain.notNull(columnType.getNativeType()), complement);
            return new ExtractionResult(
                    TupleDomain.withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(columnHandle, domain)),
                    TRUE_LITERAL);
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        Map<ColumnHandle, String> columnHandles = ImmutableBiMap.copyOf(metadata.getColumnHandles(tableHandle.get())).inverse();
        PartitionResult partitionResult = splitManager.getPartitions(tableHandle.get(), Optional.<TupleDomain>absent());

        for (Partition partition : partitionResult.getPartitions()) {
            for (Entry<ColumnHandle, Comparable<?>> entry : partition.getTupleDomain().extractFixedValues().entrySet()) {
                ColumnHandle columnHandle = entry.getKey();
                String columnName = columnHandles.get(columnHandle);
                String value = entry.getValue() != null ? String.valueOf(entry.getValue()) : null;
                table.add(
                        catalogName,
                        tableName.getSchemaName(),
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        // lookup the columns
        ImmutableList.Builder<ColumnHandle> columnHandlesBuilder = ImmutableList.builder();
        ImmutableList.Builder<TupleInfo> columnTypesBuilder = ImmutableList.builder();
        for (String columnName : columnNames) {
            ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, columnName).orNull();
            checkArgument(columnHandle != null, "Table %s does not have a column %s", tableName, columnName);
            columnHandlesBuilder.add(columnHandle);
            ColumnMetadata columnMetadata = metadata.getColumnMetadata(tableHandle, columnHandle);
            columnTypesBuilder.add(new TupleInfo(fromColumnType(columnMetadata.getType())));
        }
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    @Override
    public RecordSet getRecordSet(Split split, List<? extends ColumnHandle> columns)
    {
        int sampleWeightField = -1;
        for (int i = 0; i < columns.size(); i++) {
            ColumnHandle column = columns.get(i);
            if (column instanceof TpchColumnHandle && ((TpchColumnHandle) column).getColumnName().equals(SampledTpchMetadata.SAMPLE_WEIGHT_COLUMN_NAME)) {
                sampleWeightField = i;
                break;
            }
        }
        List<? extends ColumnHandle> delegatedColumns = new ArrayList<>(columns);
        if (sampleWeightField > -1) {
            delegatedColumns.remove(sampleWeightField);
            RecordSet recordSet;
            if (delegatedColumns.isEmpty()) {
                // Pick a random column, so that we can figure out how many rows there are
                TpchSplit tpchSplit = (TpchSplit) split;
                ColumnHandle column = Iterables.getFirst(metadata.getColumnHandles(tpchSplit.getTableHandle()).values(), null);
                checkNotNull(column, "Could not find any columns");
                recordSet = new EmptyRecordSet(super.getRecordSet(split, ImmutableList.of(column)));
            }
            else {
                recordSet = super.getRecordSet(split, delegatedColumns);
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    }

    private StageExecutionPlan createTableScanPlan(String planId, MetadataManager metadata, int splitCount)
    {
        TableHandle tableHandle = metadata.getTableHandle(new QualifiedTableName("default", "default", DualMetadata.NAME)).get();
        ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, DualMetadata.COLUMN_NAME).get();
        Symbol symbol = new Symbol(DualMetadata.COLUMN_NAME);

        // table scan with splitCount splits
        Split split = new DualSplit(HostAddress.fromString("127.0.0.1"));
        PlanNodeId tableScanNodeId = new PlanNodeId(planId);
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    @Override
    public RecordSet getRecordSet(Split split, List<? extends ColumnHandle> columns)
    {
        int sampleWeightField = -1;
        for (int i = 0; i < columns.size(); i++) {
            ColumnHandle column = columns.get(i);
            if (column instanceof TpchColumnHandle && ((TpchColumnHandle) column).getColumnName().equals(SampledTpchMetadata.SAMPLE_WEIGHT_COLUMN_NAME)) {
                sampleWeightField = i;
                break;
            }
        }
        List<? extends ColumnHandle> delegatedColumns = new ArrayList<>(columns);
        if (sampleWeightField > -1) {
            delegatedColumns.remove(sampleWeightField);
            RecordSet recordSet;
            if (delegatedColumns.isEmpty()) {
                // Pick a random column, so that we can figure out how many rows there are
                TpchSplit tpchSplit = (TpchSplit) split;
                ColumnHandle column = Iterables.getFirst(metadata.getColumnHandles(tpchSplit.getTableHandle()).values(), null);
                checkNotNull(column, "Could not find any columns");
                recordSet = new EmptyRecordSet(super.getRecordSet(split, ImmutableList.of(column)));
            }
            else {
                recordSet = super.getRecordSet(split, delegatedColumns);
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        // lookup the columns
        ImmutableList.Builder<ColumnHandle> columnHandlesBuilder = ImmutableList.builder();
        ImmutableList.Builder<TupleInfo> columnTypesBuilder = ImmutableList.builder();
        for (String columnName : columnNames) {
            ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, columnName).orNull();
            checkArgument(columnHandle != null, "Table %s does not have a column %s", tableName, columnName);
            columnHandlesBuilder.add(columnHandle);
            ColumnMetadata columnMetadata = metadata.getColumnMetadata(tableHandle, columnHandle);
            columnTypesBuilder.add(new TupleInfo(fromColumnType(columnMetadata.getType())));
        }
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        assertEquals(((NativeTableHandle) tableHandle).getTableId(), 1);

        ConnectorTableMetadata table = metadata.getTableMetadata(tableHandle);
        assertTableEqual(table, getOrdersTable());

        ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, "orderkey");
        assertInstanceOf(columnHandle, NativeColumnHandle.class);
        assertEquals(((NativeColumnHandle) columnHandle).getColumnId(), 1);
    }
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    {
        DualMetadata dualMetadata = new DualMetadata();
        TableHandle tableHandle = dualMetadata.getTableHandle(new SchemaTableName("default", DualMetadata.NAME));
        assertNotNull(tableHandle, "tableHandle is null");

        ColumnHandle columnHandle = dualMetadata.getColumnHandle(tableHandle, DualMetadata.COLUMN_NAME);
        assertNotNull(columnHandle, "columnHandle is null");
        Symbol symbol = new Symbol(DualMetadata.COLUMN_NAME);

        MetadataManager metadata = new MetadataManager();
        metadata.addInternalSchemaMetadata(MetadataManager.INTERNAL_CONNECTOR_ID, dualMetadata);
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    {
        DualMetadata dualMetadata = new DualMetadata();
        TableHandle tableHandle = dualMetadata.getTableHandle(new SchemaTableName("default", DualMetadata.NAME));
        assertNotNull(tableHandle, "tableHandle is null");

        ColumnHandle columnHandle = dualMetadata.getColumnHandle(tableHandle, DualMetadata.COLUMN_NAME);
        assertNotNull(columnHandle, "columnHandle is null");
        Symbol symbol = new Symbol(DualMetadata.COLUMN_NAME);

        MetadataManager metadata = new MetadataManager(new FeaturesConfig());
        metadata.addInternalSchemaMetadata(MetadataManager.INTERNAL_CONNECTOR_ID, dualMetadata);
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