Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorTableMetadata

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        metadata.addConnectorMetadata("tpch", "tpch", new TestingMetadata());
        metadata.addConnectorMetadata("c2", "c2", new TestingMetadata());
        metadata.addConnectorMetadata("c3", "c3", new TestingMetadata());

        SchemaTableName table1 = new SchemaTableName("default", "t1");
        metadata.createTable(SESSION, "tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table1,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", BIGINT, 0, false),
                        new ColumnMetadata("b", BIGINT, 1, false),
                        new ColumnMetadata("c", BIGINT, 2, false),
                        new ColumnMetadata("d", BIGINT, 3, false)))));

        SchemaTableName table2 = new SchemaTableName("default", "t2");
        metadata.createTable(SESSION, "tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table2,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", BIGINT, 0, false),
                        new ColumnMetadata("b", BIGINT, 1, false)))));

        SchemaTableName table3 = new SchemaTableName("default", "t3");
        metadata.createTable(SESSION, "tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table3,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", BIGINT, 0, false),
                        new ColumnMetadata("b", BIGINT, 1, false)))));

        // table in different catalog
        SchemaTableName table4 = new SchemaTableName("s2", "t4");
        metadata.createTable(SESSION, "c2", new TableMetadata("tpch", new ConnectorTableMetadata(table4,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", BIGINT, 0, false)))));

        // valid view referencing table in same schema
        String viewData1 = JsonCodec.jsonCodec(ViewDefinition.class).toJson(
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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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        ImmutableMap.Builder<SchemaTableName, List<ColumnMetadata>> columns = ImmutableMap.builder();

        List<SchemaTableName> tableNames = prefix.getSchemaName() == null ? listTables(session, null) : ImmutableList.of(new SchemaTableName(prefix.getSchemaName(), prefix.getTableName()));

        for (SchemaTableName tableName : tableNames) {
            ConnectorTableMetadata tableMetadata = getTableMetadata(tableName);
            // table can disappear during listing operation
            if (tableMetadata != null) {
                columns.put(tableName, tableMetadata.getColumns());
            }
        }
        return columns.build();
    }
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        for (KafkaInternalFieldDescription fieldDescription : internalFieldDescriptions) {
            builder.add(fieldDescription.getColumnMetadata(index++, kafkaConnectorConfig.isHideInternalColumns()));
        }

        return new ConnectorTableMetadata(schemaTableName, builder.build());
    }
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        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("sales", BIGINT, 1, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateSampledTable, columns, tableOwner, true);
        ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, 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
        ConnectorTableHandle tableHandle = getTableHandle(temporaryCreateSampledTable);
        List<ConnectorColumnHandle> columnHandles = ImmutableList.<ConnectorColumnHandle>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", BIGINT, false);

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

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateTable, columns, tableOwner);
        ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, 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
        ConnectorTableHandle tableHandle = getTableHandle(temporaryCreateTable);
        List<ConnectorColumnHandle> 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", BIGINT, false);
        assertPrimitiveField(columnMap, 1, "t_string", VARCHAR, false);
        assertPrimitiveField(columnMap, 2, "t_bigint", BIGINT, false);
        assertPrimitiveField(columnMap, 3, "t_double", DOUBLE, false);
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    protected void assertGetRecords(String tableName, String fileType)
            throws Exception
    {
        ConnectorTableHandle tableHandle = getTableHandle(new SchemaTableName(database, tableName));
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
        List<ConnectorColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());
        Map<String, Integer> columnIndex = indexColumns(columnHandles);

        ConnectorPartitionResult partitionResult = splitManager.getPartitions(tableHandle, TupleDomain.<ConnectorColumnHandle>all());
        List<ConnectorSplit> splits = getAllSplits(splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions()));
        assertEquals(splits.size(), 1);
        HiveSplit hiveSplit = checkType(getOnlyElement(splits), HiveSplit.class, "split");

        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("id", BIGINT, 1, false))
                .build();

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

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

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

        assertPrimitiveField(map, 0, "t_string", VARCHAR, false);
        assertPrimitiveField(map, 1, "t_tinyint", BIGINT, false);
    }
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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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