Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ColumnHandle

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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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                    }

                    LinkedHashMap<String, String> keys = Warehouse.makeSpecFromName(partitionId);
                    ImmutableMap.Builder<ColumnHandle, Comparable<?>> builder = ImmutableMap.builder();
                    for (Entry<String, String> entry : keys.entrySet()) {
                        ColumnHandle columnHandle = columnsByName.get(entry.getKey());
                        checkArgument(columnHandle != null, "Invalid partition key %s in partition %s", entry.getKey(), partitionId);
                        checkArgument(columnHandle instanceof HiveColumnHandle, "columnHandle is not an instance of HiveColumnHandle");
                        HiveColumnHandle hiveColumnHandle = (HiveColumnHandle) columnHandle;

                        String value = entry.getValue();
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                    }

                    LinkedHashMap<String, String> keys = Warehouse.makeSpecFromName(partitionId);
                    ImmutableMap.Builder<ColumnHandle, Comparable<?>> builder = ImmutableMap.builder();
                    for (Entry<String, String> entry : keys.entrySet()) {
                        ColumnHandle columnHandle = columnsByName.get(entry.getKey());
                        checkArgument(columnHandle != null, "Invalid partition key %s in partition %s", entry.getKey(), partitionId);
                        checkArgument(columnHandle instanceof HiveColumnHandle, "columnHandle is not an instance of HiveColumnHandle");
                        HiveColumnHandle hiveColumnHandle = (HiveColumnHandle) columnHandle;

                        String value = entry.getValue();
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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 3 splits
        Split split = new DualSplit(HostAddress.fromString("127.0.0.1"));
        PlanNodeId tableScanNodeId = new PlanNodeId(planId);
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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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    }

    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 3 splits
        Split split = new DualSplit(HostAddress.fromString("127.0.0.1"));
        PlanNodeId tableScanNodeId = new PlanNodeId(planId);
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            throws Exception
    {
        TableHandle tableHandle = getTableHandle(tableOfflinePartition);
        assertNotNull(tableHandle);

        ColumnHandle dsColumn = metadata.getColumnHandle(tableHandle, "ds");
        assertNotNull(dsColumn);

        TupleDomain tupleDomain = TupleDomain.withColumnDomains(ImmutableMap.<ColumnHandle, Domain>of(dsColumn, Domain.singleValue("2012-12-30")));
        PartitionResult partitionResult = splitManager.getPartitions(tableHandle, tupleDomain);
        for (Partition partition : partitionResult.getPartitions()) {
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        Map<ColumnHandle, String> columnHandles = ImmutableBiMap.copyOf(metadata.getColumnHandles(tableHandle.get())).inverse();
        List<Partition> partitions = splitManager.getPartitions(tableHandle.get(), Optional.<Map<ColumnHandle, Object>>absent());

        for (Partition partition : partitions) {
            for (Map.Entry<ColumnHandle, Object> entry : partition.getKeys().entrySet()) {
                ColumnHandle columnHandle = entry.getKey();
                String columnName = columnHandles.get(columnHandle);
                String value = entry.getValue() != null ? String.valueOf(entry.getValue()) : null;
                table.add(table.getTupleInfo().builder()
                        .append(catalogName)
                        .append(tableName.getSchemaName())
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            ImmutableMap.Builder<Symbol, ColumnHandle> newAssignmentsBuilder = ImmutableMap.builder();
            for (Map.Entry<Symbol, ColumnHandle> assignmentEntry : assignments.entrySet()) {
                ColumnMetadata originalColumn = metadata.getColumnMetadata(tableHandle, assignmentEntry.getValue());

                ColumnHandle aliasedColumnHandle = lookupColumns.get(originalColumn.getName());
                checkState(aliasedColumnHandle != null, "no matching column for original column %s found!", originalColumn);
                newAssignmentsBuilder.put(assignmentEntry.getKey(), aliasedColumnHandle);
            }

            return new TableScanNode(node.getId(), aliasTableHandle.get(), node.getOutputSymbols(), newAssignmentsBuilder.build(), node.getPartitionPredicate(), node.getUpstreamPredicateHint());
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        ImmutableList.Builder<BlockIterable> sourcesBuilder = ImmutableList.builder();
        ColumnFileHandle.Builder builder = ColumnFileHandle.builder(shardId);

        for (Map.Entry<ColumnHandle, File> entry : columnFileHandle.getFiles().entrySet()) {
            File file = entry.getValue();
            ColumnHandle columnHandle = entry.getKey();

            if (file.exists()) {
                Slice slice = mappedFileCache.getUnchecked(file.getAbsoluteFile());
                checkState(file.length() == slice.length(), "File %s, length %s was mapped to Slice length %s", file.getAbsolutePath(), file.length(), slice.length());
                // Compute optimal encoding from stats
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Related Classes of com.facebook.presto.spi.ColumnHandle

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  • com.facebook.presto.execution.TestSqlStageExecution
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  • com.facebook.presto.hive.AbstractTestHiveClient
  • com.facebook.presto.hive.HiveClient
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  • com.facebook.presto.metadata.TestNativeMetadata
  • com.facebook.presto.split.ExpressionUtil
  • com.facebook.presto.split.PartitionFunction
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