Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorTableMetadata

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        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("id", ColumnType.LONG, 1, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(tableName, columns, tableOwner);
        HiveOutputTableHandle outputHandle = client.beginCreateTable(tableMetadata);

        // write the records
        RecordSink sink = client.getRecordSink(outputHandle);
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    @SuppressWarnings({"ValueOfIncrementOrDecrementUsed", "UnusedAssignment"})
    @Test
    public void testGetTableSchema()
            throws Exception
    {
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(getTableHandle(table));
        Map<String, ColumnMetadata> map = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());

        int i = 0;
        assertPrimitiveField(map, i++, "t_string", ColumnType.STRING, false);
        assertPrimitiveField(map, i++, "t_tinyint", ColumnType.LONG, false);
        assertPrimitiveField(map, i++, "t_smallint", ColumnType.LONG, false);
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    @Test
    public void testGetTableSchemaUnpartitioned()
            throws Exception
    {
        TableHandle tableHandle = getTableHandle(tableUnpartitioned);
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
        Map<String, ColumnMetadata> map = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());

        assertPrimitiveField(map, 0, "t_string", ColumnType.STRING, false);
        assertPrimitiveField(map, 1, "t_tinyint", ColumnType.LONG, false);
    }
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    @Test
    public void testGetTableSchemaOffline()
            throws Exception
    {
        TableHandle tableHandle = getTableHandle(tableOffline);
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
        Map<String, ColumnMetadata> map = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());

        assertPrimitiveField(map, 0, "t_string", ColumnType.STRING, false);
    }
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    @Test
    public void testGetTableSchemaOfflinePartition()
            throws Exception
    {
        TableHandle tableHandle = getTableHandle(tableOfflinePartition);
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
        Map<String, ColumnMetadata> map = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());

        assertPrimitiveField(map, 0, "t_string", ColumnType.STRING, false);
    }
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    @Test
    public void testGetRecords()
            throws Exception
    {
        TableHandle tableHandle = getTableHandle(table);
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
        List<ColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());
        Map<String, Integer> columnIndex = indexColumns(columnHandles);

        PartitionResult partitionResult = splitManager.getPartitions(tableHandle, TupleDomain.all());
        List<Split> splits = getAllSplits(splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions()));
        assertEquals(splits.size(), this.partitions.size());
        for (Split split : splits) {
            HiveSplit hiveSplit = (HiveSplit) split;

            List<HivePartitionKey> partitionKeys = hiveSplit.getPartitionKeys();
            String ds = partitionKeys.get(0).getValue();
            String fileType = partitionKeys.get(1).getValue();
            long dummy = Long.parseLong(partitionKeys.get(2).getValue());

            long baseValue = getBaseValueForFileType(fileType);
            assertEquals(dummy * 100, baseValue);

            long rowNumber = 0;
            long completedBytes = 0;
            try (RecordCursor cursor = recordSetProvider.getRecordSet(hiveSplit, columnHandles).cursor()) {
                assertRecordCursorType(cursor, fileType);
                assertEquals(cursor.getTotalBytes(), hiveSplit.getLength());

                while (cursor.advanceNextPosition()) {
                    try {
                        assertReadFields(cursor, tableMetadata.getColumns());
                    }
                    catch (RuntimeException e) {
                        throw new RuntimeException("row " + rowNumber, e);
                    }

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        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("sales", ColumnType.LONG, 1, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateSampledTable, columns, tableOwner, true);
        OutputTableHandle outputHandle = metadata.beginCreateTable(tableMetadata);

        // write the records
        RecordSink sink = recordSinkProvider.getRecordSink(outputHandle);

        sink.beginRecord(8);
        sink.appendLong(2);
        sink.finishRecord();

        sink.beginRecord(5);
        sink.appendLong(3);
        sink.finishRecord();

        sink.beginRecord(7);
        sink.appendLong(4);
        sink.finishRecord();

        String fragment = sink.commit();

        // commit the table
        metadata.commitCreateTable(outputHandle, ImmutableList.of(fragment));

        // load the new table
        TableHandle tableHandle = getTableHandle(temporaryCreateSampledTable);
        List<ColumnHandle> columnHandles = ImmutableList.<ColumnHandle>builder()
                .addAll(metadata.getColumnHandles(tableHandle).values())
                .add(metadata.getSampleWeightColumnHandle(tableHandle))
                .build();
        assertEquals(columnHandles.size(), 2);

        // verify the metadata
        tableMetadata = metadata.getTableMetadata(getTableHandle(temporaryCreateSampledTable));
        assertEquals(tableMetadata.getOwner(), tableOwner);

        Map<String, ColumnMetadata> columnMap = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());
        assertEquals(columnMap.size(), 1);

        assertPrimitiveField(columnMap, 0, "sales", ColumnType.LONG, false);

        // verify the data
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                .add(new ColumnMetadata("t_bigint", ColumnType.LONG, 3, false))
                .add(new ColumnMetadata("t_double", ColumnType.DOUBLE, 4, false))
                .add(new ColumnMetadata("t_boolean", ColumnType.BOOLEAN, 5, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateTable, columns, tableOwner);
        OutputTableHandle outputHandle = metadata.beginCreateTable(tableMetadata);

        // write the records
        RecordSink sink = recordSinkProvider.getRecordSink(outputHandle);

        sink.beginRecord(1);
        sink.appendLong(1);
        sink.appendString("hello".getBytes(UTF_8));
        sink.appendLong(123);
        sink.appendDouble(43.5);
        sink.appendBoolean(true);
        sink.finishRecord();

        sink.beginRecord(1);
        sink.appendLong(2);
        sink.appendNull();
        sink.appendNull();
        sink.appendNull();
        sink.appendNull();
        sink.finishRecord();

        sink.beginRecord(1);
        sink.appendLong(3);
        sink.appendString("bye".getBytes(UTF_8));
        sink.appendLong(456);
        sink.appendDouble(98.1);
        sink.appendBoolean(false);
        sink.finishRecord();

        String fragment = sink.commit();

        // commit the table
        metadata.commitCreateTable(outputHandle, ImmutableList.of(fragment));

        // load the new table
        TableHandle tableHandle = getTableHandle(temporaryCreateTable);
        List<ColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());

        // verify the metadata
        tableMetadata = metadata.getTableMetadata(getTableHandle(temporaryCreateTable));
        assertEquals(tableMetadata.getOwner(), tableOwner);

        Map<String, ColumnMetadata> columnMap = uniqueIndex(tableMetadata.getColumns(), columnNameGetter());

        assertPrimitiveField(columnMap, 0, "id", ColumnType.LONG, false);
        assertPrimitiveField(columnMap, 1, "t_string", ColumnType.STRING, false);
        assertPrimitiveField(columnMap, 2, "t_bigint", ColumnType.LONG, false);
        assertPrimitiveField(columnMap, 3, "t_double", ColumnType.DOUBLE, false);
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    private ConnectorTableMetadata getTableMetadata(SchemaTableName tableName)
    {
        CassandraTableHandle tableHandle = schemaProvider.getTableHandle(tableName);
        List<ColumnMetadata> columns = ImmutableList.copyOf(transform(getColumnHandles(tableHandle).values(), columnMetadataGetter()));
        return new ConnectorTableMetadata(tableName, columns);
    }
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    {
        Stopwatch partitionTimer = Stopwatch.createStarted();

        checkType(tableHandle, RaptorTableHandle.class, "table");

        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);

        checkState(tableMetadata != null, "no metadata for %s found", tableHandle);

        Set<TablePartition> tablePartitions = shardManager.getPartitions(tableHandle);
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Related Classes of com.facebook.presto.spi.ConnectorTableMetadata

  • com.facebook.presto.cassandra.CassandraMetadata
  • com.facebook.presto.cassandra.TestCassandraConnector
  • com.facebook.presto.connector.dual.DualMetadata
  • com.facebook.presto.connector.informationSchema.InformationSchemaMetadata
  • com.facebook.presto.connector.jmx.JmxTableHandle
  • com.facebook.presto.connector.system.SystemTablesMetadata
  • com.facebook.presto.example.ExampleMetadata
  • com.facebook.presto.example.TestExampleMetadata
  • com.facebook.presto.hive.AbstractTestHiveClient
  • com.facebook.presto.hive.AbstractTestHiveClientS3
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