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Example 1 with Column

use of io.trino.plugin.hive.metastore.Column in project trino by trinodb.

the class HiveMetadata method createView.

@Override
public void createView(ConnectorSession session, SchemaTableName viewName, ConnectorViewDefinition definition, boolean replace) {
    if (accessControlMetadata.isUsingSystemSecurity()) {
        definition = definition.withoutOwner();
    }
    Map<String, String> properties = ImmutableMap.<String, String>builder().put(TABLE_COMMENT, PRESTO_VIEW_COMMENT).put(PRESTO_VIEW_FLAG, "true").put(TRINO_CREATED_BY, "Trino Hive connector").put(PRESTO_VERSION_NAME, prestoVersion).put(PRESTO_QUERY_ID_NAME, session.getQueryId()).buildOrThrow();
    Column dummyColumn = new Column("dummy", HIVE_STRING, Optional.empty());
    Table.Builder tableBuilder = Table.builder().setDatabaseName(viewName.getSchemaName()).setTableName(viewName.getTableName()).setOwner(accessControlMetadata.isUsingSystemSecurity() ? Optional.empty() : Optional.ofNullable(session.getUser())).setTableType(TableType.VIRTUAL_VIEW.name()).setDataColumns(ImmutableList.of(dummyColumn)).setPartitionColumns(ImmutableList.of()).setParameters(properties).setViewOriginalText(Optional.of(encodeViewData(definition))).setViewExpandedText(Optional.of(PRESTO_VIEW_EXPANDED_TEXT_MARKER));
    tableBuilder.getStorageBuilder().setStorageFormat(VIEW_STORAGE_FORMAT).setLocation("");
    Table table = tableBuilder.build();
    PrincipalPrivileges principalPrivileges = accessControlMetadata.isUsingSystemSecurity() ? NO_PRIVILEGES : buildInitialPrivilegeSet(session.getUser());
    Optional<Table> existing = metastore.getTable(viewName.getSchemaName(), viewName.getTableName());
    if (existing.isPresent()) {
        if (!replace || !isPrestoView(existing.get())) {
            throw new ViewAlreadyExistsException(viewName);
        }
        metastore.replaceTable(viewName.getSchemaName(), viewName.getTableName(), table, principalPrivileges);
        return;
    }
    try {
        metastore.createTable(session, table, principalPrivileges, Optional.empty(), Optional.empty(), false, new PartitionStatistics(createEmptyStatistics(), ImmutableMap.of()), false);
    } catch (TableAlreadyExistsException e) {
        throw new ViewAlreadyExistsException(e.getTableName());
    }
}
Also used : AcidTransaction.forCreateTable(io.trino.plugin.hive.acid.AcidTransaction.forCreateTable) SystemTables.getSourceTableNameFromSystemTable(io.trino.plugin.hive.util.SystemTables.getSourceTableNameFromSystemTable) Table(io.trino.plugin.hive.metastore.Table) AcidUtils.isTransactionalTable(org.apache.hadoop.hive.ql.io.AcidUtils.isTransactionalTable) HiveUtil.isIcebergTable(io.trino.plugin.hive.util.HiveUtil.isIcebergTable) HiveUtil.isSparkBucketedTable(io.trino.plugin.hive.util.HiveUtil.isSparkBucketedTable) HiveUtil.isDeltaLakeTable(io.trino.plugin.hive.util.HiveUtil.isDeltaLakeTable) AcidUtils.isFullAcidTable(org.apache.hadoop.hive.ql.io.AcidUtils.isFullAcidTable) SystemTable(io.trino.spi.connector.SystemTable) PrincipalPrivileges(io.trino.plugin.hive.metastore.PrincipalPrivileges) HiveColumnHandle.createBaseColumn(io.trino.plugin.hive.HiveColumnHandle.createBaseColumn) Column(io.trino.plugin.hive.metastore.Column) SortingColumn(io.trino.plugin.hive.metastore.SortingColumn) Statistics.createEmptyPartitionStatistics(io.trino.plugin.hive.util.Statistics.createEmptyPartitionStatistics)

Example 2 with Column

use of io.trino.plugin.hive.metastore.Column in project trino by trinodb.

the class HiveMetadata method beginInsert.

@Override
public HiveInsertTableHandle beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle, List<ColumnHandle> columns, RetryMode retryMode) {
    SchemaTableName tableName = ((HiveTableHandle) tableHandle).getSchemaTableName();
    Table table = metastore.getTable(tableName.getSchemaName(), tableName.getTableName()).orElseThrow(() -> new TableNotFoundException(tableName));
    checkTableIsWritable(table, writesToNonManagedTablesEnabled);
    for (Column column : table.getDataColumns()) {
        if (!isWritableType(column.getType())) {
            throw new TrinoException(NOT_SUPPORTED, format("Inserting into Hive table %s with column type %s not supported", tableName, column.getType()));
        }
    }
    boolean isTransactional = isTransactionalTable(table.getParameters());
    if (isTransactional && retryMode != NO_RETRIES) {
        throw new TrinoException(NOT_SUPPORTED, "Inserting into Hive transactional tables is not supported with query retries enabled");
    }
    if (isTransactional && !autoCommit) {
        throw new TrinoException(NOT_SUPPORTED, "Inserting into Hive transactional tables is not supported in explicit transactions (use autocommit mode)");
    }
    if (isSparkBucketedTable(table)) {
        throw new TrinoException(NOT_SUPPORTED, "Inserting into Spark bucketed tables is not supported");
    }
    List<HiveColumnHandle> handles = hiveColumnHandles(table, typeManager, getTimestampPrecision(session)).stream().filter(columnHandle -> !columnHandle.isHidden()).collect(toImmutableList());
    HiveStorageFormat tableStorageFormat = extractHiveStorageFormat(table);
    Optional.ofNullable(table.getParameters().get(SKIP_HEADER_COUNT_KEY)).map(Integer::parseInt).ifPresent(headerSkipCount -> {
        if (headerSkipCount > 1) {
            throw new TrinoException(NOT_SUPPORTED, format("Inserting into Hive table with value of %s property greater than 1 is not supported", SKIP_HEADER_COUNT_KEY));
        }
    });
    if (table.getParameters().containsKey(SKIP_FOOTER_COUNT_KEY)) {
        throw new TrinoException(NOT_SUPPORTED, format("Inserting into Hive table with %s property not supported", SKIP_FOOTER_COUNT_KEY));
    }
    LocationHandle locationHandle = locationService.forExistingTable(metastore, session, table);
    AcidTransaction transaction = isTransactional ? metastore.beginInsert(session, table) : NO_ACID_TRANSACTION;
    HiveInsertTableHandle result = new HiveInsertTableHandle(tableName.getSchemaName(), tableName.getTableName(), handles, metastore.generatePageSinkMetadata(tableName), locationHandle, table.getStorage().getBucketProperty(), tableStorageFormat, isRespectTableFormat(session) ? tableStorageFormat : getHiveStorageFormat(session), transaction, retryMode != NO_RETRIES);
    WriteInfo writeInfo = locationService.getQueryWriteInfo(locationHandle);
    if (getInsertExistingPartitionsBehavior(session) == InsertExistingPartitionsBehavior.OVERWRITE && writeInfo.getWriteMode() == DIRECT_TO_TARGET_EXISTING_DIRECTORY) {
        if (isTransactional) {
            throw new TrinoException(NOT_SUPPORTED, "Overwriting existing partition in transactional tables doesn't support DIRECT_TO_TARGET_EXISTING_DIRECTORY write mode");
        }
        // Partition overwrite operation is nonatomic thus can't and shouldn't be used in non autocommit context.
        if (!autoCommit) {
            throw new TrinoException(NOT_SUPPORTED, "Overwriting existing partition in non auto commit context doesn't support DIRECT_TO_TARGET_EXISTING_DIRECTORY write mode");
        }
    }
    metastore.declareIntentionToWrite(session, writeInfo.getWriteMode(), writeInfo.getWritePath(), tableName);
    return result;
}
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Example 3 with Column

use of io.trino.plugin.hive.metastore.Column in project trino by trinodb.

the class HiveMetadata method getNewTableLayout.

@Override
public Optional<ConnectorTableLayout> getNewTableLayout(ConnectorSession session, ConnectorTableMetadata tableMetadata) {
    validateTimestampColumns(tableMetadata.getColumns(), getTimestampPrecision(session));
    validatePartitionColumns(tableMetadata);
    validateBucketColumns(tableMetadata);
    validateColumns(tableMetadata);
    Optional<HiveBucketProperty> bucketProperty = getBucketProperty(tableMetadata.getProperties());
    List<String> partitionedBy = getPartitionedBy(tableMetadata.getProperties());
    if (bucketProperty.isEmpty()) {
        // return preferred layout which is partitioned by partition columns
        if (partitionedBy.isEmpty()) {
            return Optional.empty();
        }
        return Optional.of(new ConnectorTableLayout(partitionedBy));
    }
    if (!bucketProperty.get().getSortedBy().isEmpty() && !isSortedWritingEnabled(session)) {
        throw new TrinoException(NOT_SUPPORTED, "Writing to bucketed sorted Hive tables is disabled");
    }
    List<String> bucketedBy = bucketProperty.get().getBucketedBy();
    Map<String, HiveType> hiveTypeMap = tableMetadata.getColumns().stream().collect(toMap(ColumnMetadata::getName, column -> toHiveType(column.getType())));
    return Optional.of(new ConnectorTableLayout(new HivePartitioningHandle(bucketProperty.get().getBucketingVersion(), bucketProperty.get().getBucketCount(), bucketedBy.stream().map(hiveTypeMap::get).collect(toImmutableList()), OptionalInt.of(bucketProperty.get().getBucketCount()), !partitionedBy.isEmpty() && isParallelPartitionedBucketedWrites(session)), ImmutableList.<String>builder().addAll(bucketedBy).addAll(partitionedBy).build()));
}
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Example 4 with Column

use of io.trino.plugin.hive.metastore.Column in project trino by trinodb.

the class HiveMetadata method buildTableObject.

private static Table buildTableObject(String queryId, String schemaName, String tableName, String tableOwner, List<HiveColumnHandle> columnHandles, HiveStorageFormat hiveStorageFormat, List<String> partitionedBy, Optional<HiveBucketProperty> bucketProperty, Map<String, String> additionalTableParameters, Optional<Path> targetPath, boolean external, String prestoVersion, boolean usingSystemSecurity) {
    Map<String, HiveColumnHandle> columnHandlesByName = Maps.uniqueIndex(columnHandles, HiveColumnHandle::getName);
    List<Column> partitionColumns = partitionedBy.stream().map(columnHandlesByName::get).map(HiveColumnHandle::toMetastoreColumn).collect(toImmutableList());
    Set<String> partitionColumnNames = ImmutableSet.copyOf(partitionedBy);
    ImmutableList.Builder<Column> columns = ImmutableList.builder();
    for (HiveColumnHandle columnHandle : columnHandles) {
        String name = columnHandle.getName();
        HiveType type = columnHandle.getHiveType();
        if (!partitionColumnNames.contains(name)) {
            verify(!columnHandle.isPartitionKey(), "Column handles are not consistent with partitioned by property");
            columns.add(new Column(name, type, columnHandle.getComment()));
        } else {
            verify(columnHandle.isPartitionKey(), "Column handles are not consistent with partitioned by property");
        }
    }
    ImmutableMap.Builder<String, String> tableParameters = ImmutableMap.<String, String>builder().put(PRESTO_VERSION_NAME, prestoVersion).put(PRESTO_QUERY_ID_NAME, queryId).putAll(additionalTableParameters);
    if (external) {
        tableParameters.put("EXTERNAL", "TRUE");
    }
    Table.Builder tableBuilder = Table.builder().setDatabaseName(schemaName).setTableName(tableName).setOwner(usingSystemSecurity ? Optional.empty() : Optional.of(tableOwner)).setTableType((external ? EXTERNAL_TABLE : MANAGED_TABLE).name()).setDataColumns(columns.build()).setPartitionColumns(partitionColumns).setParameters(tableParameters.buildOrThrow());
    tableBuilder.getStorageBuilder().setStorageFormat(fromHiveStorageFormat(hiveStorageFormat)).setBucketProperty(bucketProperty).setLocation(targetPath.map(Object::toString));
    return tableBuilder.build();
}
Also used : AcidTransaction.forCreateTable(io.trino.plugin.hive.acid.AcidTransaction.forCreateTable) SystemTables.getSourceTableNameFromSystemTable(io.trino.plugin.hive.util.SystemTables.getSourceTableNameFromSystemTable) Table(io.trino.plugin.hive.metastore.Table) AcidUtils.isTransactionalTable(org.apache.hadoop.hive.ql.io.AcidUtils.isTransactionalTable) HiveUtil.isIcebergTable(io.trino.plugin.hive.util.HiveUtil.isIcebergTable) HiveUtil.isSparkBucketedTable(io.trino.plugin.hive.util.HiveUtil.isSparkBucketedTable) HiveUtil.isDeltaLakeTable(io.trino.plugin.hive.util.HiveUtil.isDeltaLakeTable) AcidUtils.isFullAcidTable(org.apache.hadoop.hive.ql.io.AcidUtils.isFullAcidTable) SystemTable(io.trino.spi.connector.SystemTable) ImmutableList(com.google.common.collect.ImmutableList) ImmutableList.toImmutableList(com.google.common.collect.ImmutableList.toImmutableList) ImmutableMap.toImmutableMap(com.google.common.collect.ImmutableMap.toImmutableMap) ImmutableMap(com.google.common.collect.ImmutableMap) HiveColumnHandle.createBaseColumn(io.trino.plugin.hive.HiveColumnHandle.createBaseColumn) Column(io.trino.plugin.hive.metastore.Column) SortingColumn(io.trino.plugin.hive.metastore.SortingColumn) HiveType.toHiveType(io.trino.plugin.hive.HiveType.toHiveType)

Example 5 with Column

use of io.trino.plugin.hive.metastore.Column in project trino by trinodb.

the class HiveMetadata method finishInsert.

@Override
public Optional<ConnectorOutputMetadata> finishInsert(ConnectorSession session, ConnectorInsertTableHandle insertHandle, Collection<Slice> fragments, Collection<ComputedStatistics> computedStatistics) {
    HiveInsertTableHandle handle = (HiveInsertTableHandle) insertHandle;
    List<PartitionUpdate> partitionUpdates = fragments.stream().map(Slice::getBytes).map(partitionUpdateCodec::fromJson).collect(toImmutableList());
    HiveStorageFormat tableStorageFormat = handle.getTableStorageFormat();
    partitionUpdates = PartitionUpdate.mergePartitionUpdates(partitionUpdates);
    Table table = metastore.getTable(handle.getSchemaName(), handle.getTableName()).orElseThrow(() -> new TableNotFoundException(handle.getSchemaTableName()));
    if (!table.getStorage().getStorageFormat().getInputFormat().equals(tableStorageFormat.getInputFormat()) && isRespectTableFormat(session)) {
        throw new TrinoException(HIVE_CONCURRENT_MODIFICATION_DETECTED, "Table format changed during insert");
    }
    if (handle.getBucketProperty().isPresent() && isCreateEmptyBucketFiles(session)) {
        List<PartitionUpdate> partitionUpdatesForMissingBuckets = computePartitionUpdatesForMissingBuckets(session, handle, table, false, partitionUpdates);
        // replace partitionUpdates before creating the empty files so that those files will be cleaned up if we end up rollback
        partitionUpdates = PartitionUpdate.mergePartitionUpdates(concat(partitionUpdates, partitionUpdatesForMissingBuckets));
        for (PartitionUpdate partitionUpdate : partitionUpdatesForMissingBuckets) {
            Optional<Partition> partition = table.getPartitionColumns().isEmpty() ? Optional.empty() : Optional.of(buildPartitionObject(session, table, partitionUpdate));
            if (handle.isTransactional() && partition.isPresent()) {
                PartitionStatistics statistics = PartitionStatistics.builder().setBasicStatistics(partitionUpdate.getStatistics()).build();
                metastore.addPartition(session, handle.getSchemaName(), handle.getTableName(), partition.get(), partitionUpdate.getWritePath(), Optional.of(partitionUpdate.getFileNames()), statistics, handle.isRetriesEnabled());
            }
            createEmptyFiles(session, partitionUpdate.getWritePath(), table, partition, partitionUpdate.getFileNames());
        }
    }
    List<String> partitionedBy = table.getPartitionColumns().stream().map(Column::getName).collect(toImmutableList());
    Map<String, Type> columnTypes = handle.getInputColumns().stream().collect(toImmutableMap(HiveColumnHandle::getName, column -> column.getHiveType().getType(typeManager)));
    Map<List<String>, ComputedStatistics> partitionComputedStatistics = createComputedStatisticsToPartitionMap(computedStatistics, partitionedBy, columnTypes);
    for (PartitionUpdate partitionUpdate : partitionUpdates) {
        if (partitionUpdate.getName().isEmpty()) {
            // insert into unpartitioned table
            if (!table.getStorage().getStorageFormat().getInputFormat().equals(handle.getPartitionStorageFormat().getInputFormat()) && isRespectTableFormat(session)) {
                throw new TrinoException(HIVE_CONCURRENT_MODIFICATION_DETECTED, "Table format changed during insert");
            }
            PartitionStatistics partitionStatistics = createPartitionStatistics(partitionUpdate.getStatistics(), columnTypes, getColumnStatistics(partitionComputedStatistics, ImmutableList.of()));
            if (partitionUpdate.getUpdateMode() == OVERWRITE) {
                // get privileges from existing table
                PrincipalPrivileges principalPrivileges = fromHivePrivilegeInfos(metastore.listTablePrivileges(handle.getSchemaName(), handle.getTableName(), Optional.empty()));
                // first drop it
                metastore.dropTable(session, handle.getSchemaName(), handle.getTableName());
                // create the table with the new location
                metastore.createTable(session, table, principalPrivileges, Optional.of(partitionUpdate.getWritePath()), Optional.of(partitionUpdate.getFileNames()), false, partitionStatistics, handle.isRetriesEnabled());
            } else if (partitionUpdate.getUpdateMode() == NEW || partitionUpdate.getUpdateMode() == APPEND) {
                // insert into unpartitioned table
                metastore.finishInsertIntoExistingTable(session, handle.getSchemaName(), handle.getTableName(), partitionUpdate.getWritePath(), partitionUpdate.getFileNames(), partitionStatistics, handle.isRetriesEnabled());
            } else {
                throw new IllegalArgumentException("Unsupported update mode: " + partitionUpdate.getUpdateMode());
            }
        } else if (partitionUpdate.getUpdateMode() == APPEND) {
            // insert into existing partition
            List<String> partitionValues = toPartitionValues(partitionUpdate.getName());
            PartitionStatistics partitionStatistics = createPartitionStatistics(partitionUpdate.getStatistics(), columnTypes, getColumnStatistics(partitionComputedStatistics, partitionValues));
            metastore.finishInsertIntoExistingPartition(session, handle.getSchemaName(), handle.getTableName(), partitionValues, partitionUpdate.getWritePath(), partitionUpdate.getFileNames(), partitionStatistics, handle.isRetriesEnabled());
        } else if (partitionUpdate.getUpdateMode() == NEW || partitionUpdate.getUpdateMode() == OVERWRITE) {
            // insert into new partition or overwrite existing partition
            Partition partition = buildPartitionObject(session, table, partitionUpdate);
            if (!partition.getStorage().getStorageFormat().getInputFormat().equals(handle.getPartitionStorageFormat().getInputFormat()) && isRespectTableFormat(session)) {
                throw new TrinoException(HIVE_CONCURRENT_MODIFICATION_DETECTED, "Partition format changed during insert");
            }
            PartitionStatistics partitionStatistics = createPartitionStatistics(partitionUpdate.getStatistics(), columnTypes, getColumnStatistics(partitionComputedStatistics, partition.getValues()));
            if (partitionUpdate.getUpdateMode() == OVERWRITE) {
                if (handle.getLocationHandle().getWriteMode() == DIRECT_TO_TARGET_EXISTING_DIRECTORY) {
                    removeNonCurrentQueryFiles(session, partitionUpdate.getTargetPath());
                    if (handle.isRetriesEnabled()) {
                        HdfsContext hdfsContext = new HdfsContext(session);
                        cleanExtraOutputFiles(hdfsEnvironment, hdfsContext, session.getQueryId(), partitionUpdate.getTargetPath(), ImmutableSet.copyOf(partitionUpdate.getFileNames()));
                    }
                } else {
                    metastore.dropPartition(session, handle.getSchemaName(), handle.getTableName(), partition.getValues(), true);
                    metastore.addPartition(session, handle.getSchemaName(), handle.getTableName(), partition, partitionUpdate.getWritePath(), Optional.of(partitionUpdate.getFileNames()), partitionStatistics, handle.isRetriesEnabled());
                }
            } else {
                metastore.addPartition(session, handle.getSchemaName(), handle.getTableName(), partition, partitionUpdate.getWritePath(), Optional.of(partitionUpdate.getFileNames()), partitionStatistics, handle.isRetriesEnabled());
            }
        } else {
            throw new IllegalArgumentException(format("Unsupported update mode: %s", partitionUpdate.getUpdateMode()));
        }
    }
    if (isFullAcidTable(table.getParameters())) {
        HdfsContext context = new HdfsContext(session);
        for (PartitionUpdate update : partitionUpdates) {
            long writeId = handle.getTransaction().getWriteId();
            Path deltaDirectory = new Path(format("%s/%s/%s", table.getStorage().getLocation(), update.getName(), deltaSubdir(writeId, writeId, 0)));
            createOrcAcidVersionFile(context, deltaDirectory);
        }
    }
    return Optional.of(new HiveWrittenPartitions(partitionUpdates.stream().map(PartitionUpdate::getName).collect(toImmutableList())));
}
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Aggregations

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