Java 类com.facebook.presto.spi.Constraint 实例源码

项目：presto 文件：TestRaptorSplitManager.java

@Test
public void testSanity()
        throws InterruptedException
{
    List<ConnectorTableLayoutResult> layouts = metadata.getTableLayouts(SESSION, tableHandle, Constraint.alwaysTrue(), Optional.empty());
    assertEquals(layouts.size(), 1);
    ConnectorTableLayoutResult layout = getOnlyElement(layouts);
    assertInstanceOf(layout.getTableLayout().getHandle(), RaptorTableLayoutHandle.class);

    ConnectorSplitSource splitSource = getSplits(raptorSplitManager, layout);
    int splitCount = 0;
    while (!splitSource.isFinished()) {
        splitCount += getFutureValue(splitSource.getNextBatch(1000)).size();
    }
    assertEquals(splitCount, 4);
}

项目：presto 文件：TestRaptorSplitManager.java

@Test
public void testAssignRandomNodeWhenBackupAvailable()
        throws InterruptedException, URISyntaxException
{
    InMemoryNodeManager nodeManager = new InMemoryNodeManager();
    RaptorConnectorId connectorId = new RaptorConnectorId("raptor");
    NodeSupplier nodeSupplier = new RaptorNodeSupplier(nodeManager, connectorId);
    PrestoNode node = new PrestoNode(UUID.randomUUID().toString(), new URI("http://127.0.0.1/"), NodeVersion.UNKNOWN);
    nodeManager.addNode(connectorId.toString(), node);
    RaptorSplitManager raptorSplitManagerWithBackup = new RaptorSplitManager(connectorId, nodeSupplier, shardManager, true);

    deleteShardNodes();

    ConnectorTableLayoutResult layout = getOnlyElement(metadata.getTableLayouts(SESSION, tableHandle, Constraint.alwaysTrue(), Optional.empty()));
    ConnectorSplitSource partitionSplit = getSplits(raptorSplitManagerWithBackup, layout);
    List<ConnectorSplit> batch = getFutureValue(partitionSplit.getNextBatch(1), PrestoException.class);
    assertEquals(getOnlyElement(getOnlyElement(batch).getAddresses()), node.getHostAndPort());
}

项目：presto 文件：BlackHoleMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(
        ConnectorSession session,
        ConnectorTableHandle handle,
        Constraint<ColumnHandle> constraint,
        Optional<Set<ColumnHandle>> desiredColumns)
{
    requireNonNull(handle, "handle is null");
    checkArgument(handle instanceof BlackHoleTableHandle);
    BlackHoleTableHandle blackHoleHandle = (BlackHoleTableHandle) handle;

    BlackHoleTableLayoutHandle layoutHandle = new BlackHoleTableLayoutHandle(
            blackHoleHandle.getSplitCount(),
            blackHoleHandle.getPagesPerSplit(),
            blackHoleHandle.getRowsPerPage(),
            blackHoleHandle.getFieldsLength());
    return ImmutableList.of(new ConnectorTableLayoutResult(getTableLayout(session, layoutHandle), TupleDomain.all()));
}

项目：presto 文件：MetadataManager.java

@Override
public List<TableLayoutResult> getLayouts(Session session, TableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    if (constraint.getSummary().isNone()) {
        return ImmutableList.of();
    }

    TupleDomain<ColumnHandle> summary = constraint.getSummary();
    String connectorId = table.getConnectorId();
    ConnectorTableHandle connectorTable = table.getConnectorHandle();
    Predicate<Map<ColumnHandle, NullableValue>> predicate = constraint.predicate();

    ConnectorEntry entry = getConnectorMetadata(connectorId);
    ConnectorMetadata metadata = entry.getMetadata(session);
    ConnectorTransactionHandle transaction = entry.getTransactionHandle(session);
    ConnectorSession connectorSession = session.toConnectorSession(entry.getCatalog());
    List<ConnectorTableLayoutResult> layouts = metadata.getTableLayouts(connectorSession, connectorTable, new Constraint<>(summary, predicate::test), desiredColumns);

    return layouts.stream()
            .map(layout -> new TableLayoutResult(fromConnectorLayout(connectorId, transaction, layout.getTableLayout()), layout.getUnenforcedConstraint()))
            .collect(toImmutableList());
}

项目：presto 文件：AbstractTestHiveClientS3.java

@Test
public void testGetRecordsS3()
        throws Exception
{
    ConnectorTableHandle table = getTableHandle(tableS3);
    List<ColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(SESSION, table).values());
    Map<String, Integer> columnIndex = indexColumns(columnHandles);

    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(SESSION, table, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    HiveTableLayoutHandle layoutHandle = (HiveTableLayoutHandle) getOnlyElement(tableLayoutResults).getTableLayout().getHandle();
    assertEquals(layoutHandle.getPartitions().get().size(), 1);
    ConnectorSplitSource splitSource = splitManager.getSplits(SESSION, layoutHandle);

    long sum = 0;

    for (ConnectorSplit split : getAllSplits(splitSource)) {
        try (ConnectorPageSource pageSource = pageSourceProvider.createPageSource(SESSION, split, columnHandles)) {
            MaterializedResult result = materializeSourceDataStream(SESSION, pageSource, getTypes(columnHandles));

            for (MaterializedRow row : result) {
                sum += (Long) row.getField(columnIndex.get("t_bigint"));
            }
        }
    }
    assertEquals(sum, 78300);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionSplitsTableOfflinePartition()
        throws Exception
{
    ConnectorSession session = newSession();

    ConnectorTableHandle tableHandle = getTableHandle(tableOfflinePartition);
    assertNotNull(tableHandle);

    ColumnHandle dsColumn = metadata.getColumnHandles(session, tableHandle).get("ds");
    assertNotNull(dsColumn);

    Domain domain = Domain.singleValue(VARCHAR, utf8Slice("2012-12-30"));
    TupleDomain<ColumnHandle> tupleDomain = TupleDomain.withColumnDomains(ImmutableMap.of(dsColumn, domain));
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, tableHandle, new Constraint<>(tupleDomain, bindings -> true), Optional.empty());
    try {
        getSplitCount(splitManager.getSplits(session, getOnlyElement(tableLayoutResults).getTableLayout().getHandle()));
        fail("Expected PartitionOfflineException");
    }
    catch (PartitionOfflineException e) {
        assertEquals(e.getTableName(), tableOfflinePartition);
        assertEquals(e.getPartition(), "ds=2012-12-30");
    }
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testPartitionSchemaNonCanonical()
        throws Exception
{
    ConnectorSession session = newSession();

    ConnectorTableHandle table = getTableHandle(tablePartitionSchemaChangeNonCanonical);
    ColumnHandle column = metadata.getColumnHandles(session, table).get("t_boolean");
    assertNotNull(column);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, table, new Constraint<>(TupleDomain.fromFixedValues(ImmutableMap.of(column, NullableValue.of(BOOLEAN, false))), bindings -> true), Optional.empty());
    ConnectorTableLayoutHandle layoutHandle = getOnlyElement(tableLayoutResults).getTableLayout().getHandle();
    assertEquals(getAllPartitions(layoutHandle).size(), 1);
    assertEquals(getPartitionId(getAllPartitions(layoutHandle).get(0)), "t_boolean=0");

    ConnectorSplitSource splitSource = splitManager.getSplits(session, layoutHandle);
    ConnectorSplit split = getOnlyElement(getAllSplits(splitSource));

    ImmutableList<ColumnHandle> columnHandles = ImmutableList.of(column);
    try (ConnectorPageSource ignored = pageSourceProvider.createPageSource(session, split, columnHandles)) {
        // TODO coercion of non-canonical values should be supported
        fail("expected exception");
    }
    catch (PrestoException e) {
        assertEquals(e.getErrorCode(), HIVE_INVALID_PARTITION_VALUE.toErrorCode());
    }
}

项目：presto 文件：TestHiveIntegrationSmokeTest.java

private List<HivePartition> getPartitions(String tableName)
{
    Session session = getSession();
    Metadata metadata = ((DistributedQueryRunner) queryRunner).getCoordinator().getMetadata();

    return transaction(queryRunner.getTransactionManager())
            .readOnly()
            .execute(session, transactionSession -> {
                Optional<TableHandle> tableHandle = metadata.getTableHandle(transactionSession, new QualifiedObjectName(HIVE_CATALOG, TPCH_SCHEMA, tableName));
                assertTrue(tableHandle.isPresent());

                List<TableLayoutResult> layouts = metadata.getLayouts(transactionSession, tableHandle.get(), Constraint.alwaysTrue(), Optional.empty());
                TableLayout layout = Iterables.getOnlyElement(layouts).getLayout();
                return ((HiveTableLayoutHandle) layout.getHandle().getConnectorHandle()).getPartitions().get();
            });
}

项目：paraflow 文件：HDFSMetadata.java

/**
 * Return a list of table layouts that satisfy the given constraint.
 * <p>
 * For each layout, connectors must return an "unenforced constraint" representing the part of the constraint summary that isn't guaranteed by the layout.
 *
 * @param session session
 * @param table table
 * @param constraint constraint
 * @param desiredColumns desired columns
 */
@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    // get table name from ConnectorTableHandle
    HDFSTableHandle hdfsTable = checkType(table, HDFSTableHandle.class, "table");
    SchemaTableName tableName = hdfsTable.getSchemaTableName();
    // create HDFSTableLayoutHandle
    HDFSTableLayoutHandle tableLayout = metaDataQuery.getTableLayout(connectorId, tableName.getSchemaName(), tableName.getTableName()).orElse(null);
    tableLayout.setPredicates(constraint.getSummary() != null ? Optional.of(constraint.getSummary()) : Optional.empty());
    // ConnectorTableLayout layout = new ConnectorTableLayout(HDFSTableLayoutHandle)
    ConnectorTableLayout layout = getTableLayout(session, tableLayout);

    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto-rest 文件：RestMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession connectorSession, ConnectorTableHandle connectorTableHandle, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> optional)
{
    RestTableHandle tableHandle = Types.checkType(connectorTableHandle, RestTableHandle.class, "tableHandle");
    return ImmutableList.of(
            new ConnectorTableLayoutResult(
                    getTableLayout(connectorSession, new RestConnectorTableLayoutHandle(tableHandle)),
                    TupleDomain.all()));
}

项目：presto-kudu 文件：KuduMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    KuduTableHandle tableHandle = checkType(table, KuduTableHandle.class, "tableHandle");
    ConnectorTableLayout layout = new ConnectorTableLayout(new KuduTableLayoutHandle(tableHandle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：KafkaMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    KafkaTableHandle handle = convertTableHandle(table);
    ConnectorTableLayout layout = new ConnectorTableLayout(new KafkaTableLayoutHandle(handle));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：ExampleMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    ExampleTableHandle tableHandle = checkType(table, ExampleTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new ExampleTableLayoutHandle(tableHandle));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：RaptorMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    RaptorTableHandle handle = checkType(table, RaptorTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new RaptorTableLayoutHandle(handle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：TestRaptorSplitManager.java

@Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "No host for shard .* found: \\[\\]")
public void testNoHostForShard()
        throws InterruptedException
{
    deleteShardNodes();

    ConnectorTableLayoutResult layout = getOnlyElement(metadata.getTableLayouts(SESSION, tableHandle, Constraint.alwaysTrue(), Optional.empty()));
    ConnectorSplitSource splitSource = getSplits(raptorSplitManager, layout);
    getFutureValue(splitSource.getNextBatch(1000));
}

项目：presto 文件：TestRaptorSplitManager.java

@Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "No nodes available to run query")
public void testNoNodes()
        throws InterruptedException, URISyntaxException
{
    deleteShardNodes();

    RaptorSplitManager raptorSplitManagerWithBackup = new RaptorSplitManager(new RaptorConnectorId("fbraptor"), ImmutableSet::of, shardManager, true);
    ConnectorTableLayoutResult layout = getOnlyElement(metadata.getTableLayouts(SESSION, tableHandle, Constraint.alwaysTrue(), Optional.empty()));
    ConnectorSplitSource splitSource = getSplits(raptorSplitManagerWithBackup, layout);
    getFutureValue(splitSource.getNextBatch(1000), PrestoException.class);
}

项目：presto 文件：RedisMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(
        ConnectorSession session,
        ConnectorTableHandle table,
        Constraint<ColumnHandle> constraint,
        Optional<Set<ColumnHandle>> desiredColumns)
{
    RedisTableHandle tableHandle = convertTableHandle(table);

    ConnectorTableLayout layout = new ConnectorTableLayout(new RedisTableLayoutHandle(tableHandle));

    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：RedisMetadata.java

@Override
public ConnectorTableLayout getTableLayout(ConnectorSession session, ConnectorTableLayoutHandle handle)
{
    RedisTableLayoutHandle layout = convertLayout(handle);

    // tables in this connector have a single layout
    return getTableLayouts(session, layout.getTable(), Constraint.<ColumnHandle>alwaysTrue(), Optional.empty())
            .get(0)
            .getTableLayout();
}

项目：presto 文件：JmxMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    JmxTableHandle handle = checkType(table, JmxTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new JmxTableLayoutHandle(handle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：JdbcMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    JdbcTableHandle tableHandle = checkType(table, JdbcTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new JdbcTableLayoutHandle(tableHandle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：InformationSchemaMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    InformationSchemaTableHandle handle = checkType(table, InformationSchemaTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new InformationSchemaTableLayoutHandle(handle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：SystemTablesMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    SystemTableHandle tableHandle = checkType(table, SystemTableHandle.class, "table");
    ConnectorTableLayout layout = new ConnectorTableLayout(new SystemTableLayoutHandle(tableHandle.getConnectorId(), tableHandle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：TpchMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session,
        ConnectorTableHandle table,
        Constraint<ColumnHandle> constraint,
        Optional<Set<ColumnHandle>> desiredColumns)
{
    TpchTableHandle tableHandle = checkType(table, TpchTableHandle.class, "table");

    Optional<Set<ColumnHandle>> partitioningColumns = Optional.empty();
    List<LocalProperty<ColumnHandle>> localProperties = ImmutableList.of();

    Map<String, ColumnHandle> columns = getColumnHandles(session, tableHandle);
    if (tableHandle.getTableName().equals(TpchTable.ORDERS.getTableName())) {
        partitioningColumns = Optional.of(ImmutableSet.of(columns.get(OrderColumn.ORDER_KEY.getColumnName())));
        localProperties = ImmutableList.of(new SortingProperty<>(columns.get(OrderColumn.ORDER_KEY.getColumnName()), SortOrder.ASC_NULLS_FIRST));
    }
    else if (tableHandle.getTableName().equals(TpchTable.LINE_ITEM.getTableName())) {
        partitioningColumns = Optional.of(ImmutableSet.of(columns.get(LineItemColumn.ORDER_KEY.getColumnName())));
        localProperties = ImmutableList.of(
                new SortingProperty<>(columns.get(LineItemColumn.ORDER_KEY.getColumnName()), SortOrder.ASC_NULLS_FIRST),
                new SortingProperty<>(columns.get(LineItemColumn.LINE_NUMBER.getColumnName()), SortOrder.ASC_NULLS_FIRST));
    }

    ConnectorTableLayout layout = new ConnectorTableLayout(
            new TpchTableLayoutHandle(tableHandle),
            Optional.<List<ColumnHandle>>empty(),
            TupleDomain.<ColumnHandle>all(), // TODO: return well-known properties (e.g., orderkey > 0, etc)
            partitioningColumns,
            Optional.empty(),
            localProperties);

    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto 文件：TpchMetadata.java

@Override
public ConnectorTableLayout getTableLayout(ConnectorSession session, ConnectorTableLayoutHandle handle)
{
    TpchTableLayoutHandle layout = checkType(handle, TpchTableLayoutHandle.class, "layout");

    // tables in this connector have a single layout
    return getTableLayouts(session, layout.getTable(), Constraint.<ColumnHandle>alwaysTrue(), Optional.empty())
            .get(0)
            .getTableLayout();
}

项目：presto 文件：ClassLoaderSafeConnectorMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(
        ConnectorSession session,
        ConnectorTableHandle table,
        Constraint<ColumnHandle> constraint,
        Optional<Set<ColumnHandle>> desiredColumns)
{
    try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
        return delegate.getTableLayouts(session, table, constraint, desiredColumns);
    }
}

项目：presto 文件：CassandraMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    CassandraTableHandle handle = checkType(table, CassandraTableHandle.class, "table");
    CassandraPartitionResult result = partitionManager.getPartitions(handle, constraint.getSummary());
    ConnectorTableLayout layout = getTableLayout(session, new CassandraTableLayoutHandle(handle, result.getPartitions()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, result.getUnenforcedConstraint()));
}

项目：presto 文件：HiveMetadata.java

private List<HivePartition> getOrComputePartitions(HiveTableLayoutHandle layoutHandle, ConnectorSession session, ConnectorTableHandle tableHandle)
{
    if (layoutHandle.getPartitions().isPresent()) {
        return layoutHandle.getPartitions().get();
    }
    else {
        TupleDomain<ColumnHandle> promisedPredicate = layoutHandle.getPromisedPredicate();
        Predicate<Map<ColumnHandle, NullableValue>> predicate = convertToPredicate(promisedPredicate);
        List<ConnectorTableLayoutResult> tableLayoutResults = getTableLayouts(session, tableHandle, new Constraint<>(promisedPredicate, predicate), Optional.empty());
        return checkType(Iterables.getOnlyElement(tableLayoutResults).getTableLayout().getHandle(), HiveTableLayoutHandle.class, "tableLayoutHandle").getPartitions().get();
    }
}

项目：presto 文件：HiveMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle tableHandle, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns)
{
    HiveTableHandle handle = checkType(tableHandle, HiveTableHandle.class, "tableHandle");

    HivePartitionResult hivePartitionResult = partitionManager.getPartitions(session, metastore, tableHandle, constraint.getSummary());

    return ImmutableList.of(new ConnectorTableLayoutResult(
            getTableLayout(session, new HiveTableLayoutHandle(handle.getClientId(), hivePartitionResult.getPartitions(), hivePartitionResult.getEnforcedConstraint())),
            hivePartitionResult.getUnenforcedConstraint()));
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitions()
        throws Exception
{
    ConnectorTableHandle tableHandle = getTableHandle(tablePartitionFormat);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(newSession(), tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    assertExpectedTableLayout(getOnlyElement(tableLayoutResults).getTableLayout(), tableLayout);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionsWithBindings()
        throws Exception
{
    ConnectorTableHandle tableHandle = getTableHandle(tablePartitionFormat);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(newSession(), tableHandle, new Constraint<>(TupleDomain.withColumnDomains(ImmutableMap.of(intColumn, Domain.singleValue(BIGINT, 5L))), bindings -> true), Optional.empty());
    assertExpectedTableLayout(getOnlyElement(tableLayoutResults).getTableLayout(), tableLayout);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionNames()
        throws Exception
{
    ConnectorTableHandle tableHandle = getTableHandle(tablePartitionFormat);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(newSession(), tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    assertExpectedTableLayout(getOnlyElement(tableLayoutResults).getTableLayout(), tableLayout);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionNamesUnpartitioned()
        throws Exception
{
    ConnectorTableHandle tableHandle = getTableHandle(tableUnpartitioned);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(newSession(), tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    assertEquals(getAllPartitions(getOnlyElement(tableLayoutResults).getTableLayout().getHandle()).size(), 1);
    assertExpectedTableLayout(getOnlyElement(tableLayoutResults).getTableLayout(), unpartitionedTableLayout);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionSplitsBatch()
        throws Exception
{
    ConnectorSession session = newSession();

    ConnectorTableHandle tableHandle = getTableHandle(tablePartitionFormat);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    ConnectorSplitSource splitSource = splitManager.getSplits(session, getOnlyElement(tableLayoutResults).getTableLayout().getHandle());

    assertEquals(getSplitCount(splitSource), partitionCount);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionSplitsBatchUnpartitioned()
        throws Exception
{
    ConnectorSession session = newSession();

    ConnectorTableHandle tableHandle = getTableHandle(tableUnpartitioned);
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
    ConnectorSplitSource splitSource = splitManager.getSplits(session, getOnlyElement(tableLayoutResults).getTableLayout().getHandle());

    assertEquals(getSplitCount(splitSource), 1);
}

项目：presto 文件：AbstractTestHiveClient.java

@Test
public void testGetPartitionTableOffline()
        throws Exception
{
    ConnectorTableHandle tableHandle = getTableHandle(tableOffline);
    try {
        metadata.getTableLayouts(newSession(), tableHandle, new Constraint<>(TupleDomain.all(), bindings -> true), Optional.empty());
        fail("expected TableOfflineException");
    }
    catch (TableOfflineException e) {
        assertEquals(e.getTableName(), tableOffline);
    }
}

项目：presto 文件：AbstractTestHiveClient.java

private MaterializedResult readTable(
        ConnectorTableHandle tableHandle,
        List<ColumnHandle> columnHandles,
        ConnectorSession session,
        TupleDomain<ColumnHandle> tupleDomain,
        OptionalInt expectedSplitCount,
        Optional<HiveStorageFormat> expectedStorageFormat)
        throws Exception
{
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, tableHandle, new Constraint<>(tupleDomain, bindings -> true), Optional.empty());
    ConnectorTableLayoutHandle layoutHandle = getOnlyElement(tableLayoutResults).getTableLayout().getHandle();
    List<ConnectorSplit> splits = getAllSplits(splitManager.getSplits(session, layoutHandle));
    if (expectedSplitCount.isPresent()) {
        assertEquals(splits.size(), expectedSplitCount.getAsInt());
    }

    ImmutableList.Builder<MaterializedRow> allRows = ImmutableList.builder();
    for (ConnectorSplit split : splits) {
        try (ConnectorPageSource pageSource = pageSourceProvider.createPageSource(session, split, columnHandles)) {
            if (expectedStorageFormat.isPresent()) {
                assertPageSourceType(pageSource, expectedStorageFormat.get());
            }
            MaterializedResult result = materializeSourceDataStream(session, pageSource, getTypes(columnHandles));
            allRows.addAll(result.getMaterializedRows());
        }
    }
    return new MaterializedResult(allRows.build(), getTypes(columnHandles));
}

项目：presto 文件：AbstractTestHiveClient.java

private List<ConnectorSplit> getAllSplits(ConnectorTableHandle tableHandle, TupleDomain<ColumnHandle> tupleDomain)
        throws InterruptedException
{
    ConnectorSession session = newSession();
    List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, tableHandle, new Constraint<>(tupleDomain, bindings -> true), Optional.empty());
    ConnectorTableLayoutHandle layoutHandle = getOnlyElement(tableLayoutResults).getTableLayout().getHandle();
    return getAllSplits(splitManager.getSplits(session, layoutHandle));
}

项目：presto-plugins 文件：SpreadsheetMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table,
    Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
  SpreadsheetTableHandle tableHandle = (SpreadsheetTableHandle) table;
  SpreadsheetTableLayoutHandle baseTableLayoutHandle = createTableLayoutHandle(tableHandle);
  ConnectorTableLayout layout = new ConnectorTableLayout(baseTableLayoutHandle);
  return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

项目：presto-plugins 文件：SpreadsheetMetadata.java

@Override
public ConnectorTableLayout getTableLayout(ConnectorSession session, ConnectorTableLayoutHandle handle) {
  SpreadsheetTableLayoutHandle layout = (SpreadsheetTableLayoutHandle) handle;
  List<ConnectorTableLayoutResult> tableLayouts = getTableLayouts(session, layout.getTable(),
      Constraint.<ColumnHandle>alwaysTrue(), Optional.empty());
  ConnectorTableLayoutResult connectorTableLayoutResult = tableLayouts.get(0);
  return connectorTableLayoutResult.getTableLayout();
}

项目：presto-plugins 文件：BaseReadOnlyConnectorMetadata.java

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table,
    Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
  BaseTableHandle tableHandle = (BaseTableHandle) table;
  BaseTableLayoutHandle baseTableLayoutHandle = createTableLayoutHandle(tableHandle);
  ConnectorTableLayout layout = new ConnectorTableLayout(baseTableLayoutHandle);
  return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}